YARAify Scan Results
You are viewing the YARAify database entry for the file with the SHA256 hash 923dfc6da22d6861d83991b33a8c5b496c6d0165d5b85f5a5671bb920139fae2.
Scan Results
| SHA256 hash: | 923dfc6da22d6861d83991b33a8c5b496c6d0165d5b85f5a5671bb920139fae2 | |
|---|---|---|
| File size: | 46'080 bytes | |
| File download: | Original Unpacked | |
| MIME type: | application/x-dosexec | |
| MD5 hash: | dc493f1ac7e16a6a57a111a6733260fe | |
| SHA1 hash: | ddce6bb320849a004a13994fb01aa54abf30f6e0 | |
| SHA3-384 hash: | 7f1b072cac3553371ed235dc44bdc48dd93e910e92f418e3a9baf0b7d151a331dc6d486d253eb9dc69053def8ba81c05 | |
| First seen: | 2026-03-14 19:57:18 UTC | |
| Last seen: | 2026-03-14 20:02:02 UTC | |
| Sightings: | 9 | |
| imphash : | f34d5f2d4577ed6d9ceec516c1f5a744 | |
| ssdeep : | 768:FuyN5TdMhGqWU8Durmo2qrrN+4UYYgffPIZzjbfgX3iDexl9JqXNjtHPKBDZvx:FuyN5TdCf2OtdQZ3boXSKjzqXvHPUdvx | |
| TLSH : | n/a | |
| telfhash : | n/a | |
| gimphash : | n/a | |
| dhash icon : | n/a | |
Tasks
There are 9 tasks on YARAify for this particular file. The 10 most recent ones are shown below.
Task Information
| Task ID: | aab34b80-1fe0-11f1-b47f-42010aa4000b | |
|---|---|---|
| File name: | AsyncClient4.exe | |
| Task parameters: | ClamAV scan: | True |
| Unpack: | True | |
| Share file: | True | |
ClamAV Results
The file matched the following open source and commercial ClamAV rules.
| Signature: | Win.Packed.AsyncRAT-9856570-1 |
|---|
| Signature: | Win.Packed.AsyncRAT-9861056-1 |
|---|
| Signature: | Win.Packed.Razy-9625918-0 |
|---|
YARA Results
Static Analysis
The following YARA rules matched on the file (static analysis).
| Rule name: | AsyncRat |
|---|---|
| Author: | kevoreilly, JPCERT/CC Incident Response Group |
| Description: | AsyncRat Payload |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | asyncrat_kingrat |
|---|---|
| Author: | jeFF0Falltrades |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | classified |
|---|---|
| Description: | classified |
| Rule name: | DebuggerCheck__RemoteAPI |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| TLP: | TLP:WHITE |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse |
|---|---|
| Author: | ditekSHen |
| Description: | Detects file containing reversed ASEP Autorun registry keys |
| TLP: | TLP:WHITE |
| Repository: | diˈtekSHən |
| Rule name: | MAL_AsnycRAT |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects AsnycRAT based on it's config decryption routine |
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | MAL_AsyncRAT_Config_Decryption |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects AsnycRAT based on it's config decryption routine |
| TLP: | TLP:WHITE |
| Rule name: | Mal_WIN_AsyncRat_RAT_PE |
|---|---|
| Author: | Phatcharadol Thangplub |
| Description: | Use to detect AsyncRAT implant. |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | malware_asyncrat |
|---|---|
| Description: | detect AsyncRat in memory |
| Reference: | https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp |
| TLP: | TLP:WHITE |
| Repository: | JPCERTCC |
| Rule name: | malware_asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | JPCERTCC |
| Rule name: | msil_suspicious_use_of_strreverse |
|---|---|
| Author: | dr4k0nia |
| Description: | Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | Multifamily_RAT_Detection |
|---|---|
| Author: | Lucas Acha (http://www.lukeacha.com) |
| Description: | Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | Njrat |
|---|---|
| Author: | botherder https://github.com/botherder |
| Description: | Njrat |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | pe_imphash |
|---|---|
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | SUSP_DOTNET_PE_List_AV |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detecs .NET Binary that lists installed AVs |
| TLP: | TLP:WHITE |
| Rule name: | SUSP_Reverse_Run_Key |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects a Reversed Run Key |
| TLP: | TLP:WHITE |
| Repository: | SIFalcon |
| Rule name: | VECT_Ransomware |
|---|---|
| Author: | Mustafa Bakhit |
| Description: | Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments. |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | win_asyncrat_bytecodes |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects bytecodes present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc) |
| TLP: | TLP:WHITE |
| Repository: | embee-research |
| Rule name: | win_asyncrat_j1 |
|---|---|
| Author: | Johannes Bader @viql |
| Description: | detects AsyncRAT |
| TLP: | TLP:WHITE |
| Repository: | Sandnet |
| Rule name: | win_asyncrat_unobfuscated |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc) |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | win_asyncrat_w0 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | Malpedia |
| Rule name: | classified |
|---|---|
| Author: | classified |
| Description: | classified |
| TLP : | TLP:AMBER |
| Rule name: | Windows_Generic_Threat_ce98c4bc |
|---|---|
| Author: | Elastic Security |
| TLP: | TLP:WHITE |
| Repository: | elastic |
| Rule name: | Windows_Trojan_Asyncrat_11a11ba1 |
|---|---|
| Author: | Elastic Security |
| TLP: | TLP:WHITE |
| Repository: | elastic |
Unpacker
The following YARA rules matched on the unpacked file.
No matches
Unpacked Files
The following files could be unpacked from this sample.
No unpacked files found
Task Information
| Task ID: | aac6e7a4-1fe0-11f1-b47f-42010aa4000b | |
|---|---|---|
| File name: | AsyncClient4.exe | |
| Task parameters: | ClamAV scan: | True |
| Unpack: | True | |
| Share file: | True | |
ClamAV Results
The file matched the following open source and commercial ClamAV rules.
| Signature: | Win.Packed.AsyncRAT-9856570-1 |
|---|
| Signature: | Win.Packed.AsyncRAT-9861056-1 |
|---|
| Signature: | Win.Packed.Razy-9625918-0 |
|---|
YARA Results
Static Analysis
The following YARA rules matched on the file (static analysis).
| Rule name: | AsyncRat |
|---|---|
| Author: | kevoreilly, JPCERT/CC Incident Response Group |
| Description: | AsyncRat Payload |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | asyncrat_kingrat |
|---|---|
| Author: | jeFF0Falltrades |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | classified |
|---|---|
| Description: | classified |
| Rule name: | DebuggerCheck__RemoteAPI |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| TLP: | TLP:WHITE |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse |
|---|---|
| Author: | ditekSHen |
| Description: | Detects file containing reversed ASEP Autorun registry keys |
| TLP: | TLP:WHITE |
| Repository: | diˈtekSHən |
| Rule name: | MAL_AsnycRAT |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects AsnycRAT based on it's config decryption routine |
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | MAL_AsyncRAT_Config_Decryption |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects AsnycRAT based on it's config decryption routine |
| TLP: | TLP:WHITE |
| Rule name: | Mal_WIN_AsyncRat_RAT_PE |
|---|---|
| Author: | Phatcharadol Thangplub |
| Description: | Use to detect AsyncRAT implant. |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | malware_asyncrat |
|---|---|
| Description: | detect AsyncRat in memory |
| Reference: | https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp |
| TLP: | TLP:WHITE |
| Repository: | JPCERTCC |
| Rule name: | malware_asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | JPCERTCC |
| Rule name: | msil_suspicious_use_of_strreverse |
|---|---|
| Author: | dr4k0nia |
| Description: | Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | Multifamily_RAT_Detection |
|---|---|
| Author: | Lucas Acha (http://www.lukeacha.com) |
| Description: | Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | Njrat |
|---|---|
| Author: | botherder https://github.com/botherder |
| Description: | Njrat |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | pe_imphash |
|---|---|
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | SUSP_DOTNET_PE_List_AV |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detecs .NET Binary that lists installed AVs |
| TLP: | TLP:WHITE |
| Rule name: | SUSP_Reverse_Run_Key |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects a Reversed Run Key |
| TLP: | TLP:WHITE |
| Repository: | SIFalcon |
| Rule name: | VECT_Ransomware |
|---|---|
| Author: | Mustafa Bakhit |
| Description: | Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments. |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | win_asyncrat_bytecodes |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects bytecodes present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc) |
| TLP: | TLP:WHITE |
| Repository: | embee-research |
| Rule name: | win_asyncrat_j1 |
|---|---|
| Author: | Johannes Bader @viql |
| Description: | detects AsyncRAT |
| TLP: | TLP:WHITE |
| Repository: | Sandnet |
| Rule name: | win_asyncrat_unobfuscated |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc) |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | win_asyncrat_w0 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | Malpedia |
| Rule name: | classified |
|---|---|
| Author: | classified |
| Description: | classified |
| TLP : | TLP:AMBER |
| Rule name: | Windows_Generic_Threat_ce98c4bc |
|---|---|
| Author: | Elastic Security |
| TLP: | TLP:WHITE |
| Repository: | elastic |
| Rule name: | Windows_Trojan_Asyncrat_11a11ba1 |
|---|---|
| Author: | Elastic Security |
| TLP: | TLP:WHITE |
| Repository: | elastic |
Unpacker
The following YARA rules matched on the unpacked file.
No matches
Unpacked Files
The following files could be unpacked from this sample.
No unpacked files found
Task Information
| Task ID: | 87e1fc24-1fe0-11f1-b47f-42010aa4000b | |
|---|---|---|
| File name: | AsyncClient4.exe | |
| Task parameters: | ClamAV scan: | True |
| Unpack: | True | |
| Share file: | True | |
ClamAV Results
The file matched the following open source and commercial ClamAV rules.
| Signature: | Win.Packed.AsyncRAT-9856570-1 |
|---|
| Signature: | Win.Packed.AsyncRAT-9861056-1 |
|---|
| Signature: | Win.Packed.Razy-9625918-0 |
|---|
YARA Results
Static Analysis
The following YARA rules matched on the file (static analysis).
| Rule name: | AsyncRat |
|---|---|
| Author: | kevoreilly, JPCERT/CC Incident Response Group |
| Description: | AsyncRat Payload |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | asyncrat_kingrat |
|---|---|
| Author: | jeFF0Falltrades |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | classified |
|---|---|
| Description: | classified |
| Rule name: | DebuggerCheck__RemoteAPI |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| TLP: | TLP:WHITE |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse |
|---|---|
| Author: | ditekSHen |
| Description: | Detects file containing reversed ASEP Autorun registry keys |
| TLP: | TLP:WHITE |
| Repository: | diˈtekSHən |
| Rule name: | MAL_AsnycRAT |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects AsnycRAT based on it's config decryption routine |
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | MAL_AsyncRAT_Config_Decryption |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects AsnycRAT based on it's config decryption routine |
| TLP: | TLP:WHITE |
| Rule name: | Mal_WIN_AsyncRat_RAT_PE |
|---|---|
| Author: | Phatcharadol Thangplub |
| Description: | Use to detect AsyncRAT implant. |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | malware_asyncrat |
|---|---|
| Description: | detect AsyncRat in memory |
| Reference: | https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp |
| TLP: | TLP:WHITE |
| Repository: | JPCERTCC |
| Rule name: | malware_asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | JPCERTCC |
| Rule name: | msil_suspicious_use_of_strreverse |
|---|---|
| Author: | dr4k0nia |
| Description: | Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | Multifamily_RAT_Detection |
|---|---|
| Author: | Lucas Acha (http://www.lukeacha.com) |
| Description: | Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | Njrat |
|---|---|
| Author: | botherder https://github.com/botherder |
| Description: | Njrat |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | pe_imphash |
|---|---|
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | SUSP_DOTNET_PE_List_AV |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detecs .NET Binary that lists installed AVs |
| TLP: | TLP:WHITE |
| Rule name: | SUSP_Reverse_Run_Key |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects a Reversed Run Key |
| TLP: | TLP:WHITE |
| Repository: | SIFalcon |
| Rule name: | VECT_Ransomware |
|---|---|
| Author: | Mustafa Bakhit |
| Description: | Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments. |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | win_asyncrat_bytecodes |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects bytecodes present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc) |
| TLP: | TLP:WHITE |
| Repository: | embee-research |
| Rule name: | win_asyncrat_j1 |
|---|---|
| Author: | Johannes Bader @viql |
| Description: | detects AsyncRAT |
| TLP: | TLP:WHITE |
| Repository: | Sandnet |
| Rule name: | win_asyncrat_unobfuscated |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc) |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | win_asyncrat_w0 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | Malpedia |
| Rule name: | classified |
|---|---|
| Author: | classified |
| Description: | classified |
| TLP : | TLP:AMBER |
| Rule name: | Windows_Generic_Threat_ce98c4bc |
|---|---|
| Author: | Elastic Security |
| TLP: | TLP:WHITE |
| Repository: | elastic |
| Rule name: | Windows_Trojan_Asyncrat_11a11ba1 |
|---|---|
| Author: | Elastic Security |
| TLP: | TLP:WHITE |
| Repository: | elastic |
Unpacker
The following YARA rules matched on the unpacked file.
No matches
Unpacked Files
The following files could be unpacked from this sample.
No unpacked files found
Task Information
| Task ID: | 87f70ff3-1fe0-11f1-b47f-42010aa4000b | |
|---|---|---|
| File name: | AsyncClient4.exe | |
| Task parameters: | ClamAV scan: | True |
| Unpack: | True | |
| Share file: | True | |
ClamAV Results
The file matched the following open source and commercial ClamAV rules.
| Signature: | Win.Packed.AsyncRAT-9856570-1 |
|---|
| Signature: | Win.Packed.AsyncRAT-9861056-1 |
|---|
| Signature: | Win.Packed.Razy-9625918-0 |
|---|
YARA Results
Static Analysis
The following YARA rules matched on the file (static analysis).
| Rule name: | AsyncRat |
|---|---|
| Author: | kevoreilly, JPCERT/CC Incident Response Group |
| Description: | AsyncRat Payload |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | asyncrat_kingrat |
|---|---|
| Author: | jeFF0Falltrades |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | classified |
|---|---|
| Description: | classified |
| Rule name: | DebuggerCheck__RemoteAPI |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| TLP: | TLP:WHITE |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse |
|---|---|
| Author: | ditekSHen |
| Description: | Detects file containing reversed ASEP Autorun registry keys |
| TLP: | TLP:WHITE |
| Repository: | diˈtekSHən |
| Rule name: | MAL_AsnycRAT |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects AsnycRAT based on it's config decryption routine |
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | MAL_AsyncRAT_Config_Decryption |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects AsnycRAT based on it's config decryption routine |
| TLP: | TLP:WHITE |
| Rule name: | Mal_WIN_AsyncRat_RAT_PE |
|---|---|
| Author: | Phatcharadol Thangplub |
| Description: | Use to detect AsyncRAT implant. |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | malware_asyncrat |
|---|---|
| Description: | detect AsyncRat in memory |
| Reference: | https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp |
| TLP: | TLP:WHITE |
| Repository: | JPCERTCC |
| Rule name: | malware_asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | JPCERTCC |
| Rule name: | msil_suspicious_use_of_strreverse |
|---|---|
| Author: | dr4k0nia |
| Description: | Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | Multifamily_RAT_Detection |
|---|---|
| Author: | Lucas Acha (http://www.lukeacha.com) |
| Description: | Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | Njrat |
|---|---|
| Author: | botherder https://github.com/botherder |
| Description: | Njrat |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | pe_imphash |
|---|---|
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | SUSP_DOTNET_PE_List_AV |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detecs .NET Binary that lists installed AVs |
| TLP: | TLP:WHITE |
| Rule name: | SUSP_Reverse_Run_Key |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects a Reversed Run Key |
| TLP: | TLP:WHITE |
| Repository: | SIFalcon |
| Rule name: | VECT_Ransomware |
|---|---|
| Author: | Mustafa Bakhit |
| Description: | Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments. |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | win_asyncrat_bytecodes |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects bytecodes present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc) |
| TLP: | TLP:WHITE |
| Repository: | embee-research |
| Rule name: | win_asyncrat_j1 |
|---|---|
| Author: | Johannes Bader @viql |
| Description: | detects AsyncRAT |
| TLP: | TLP:WHITE |
| Repository: | Sandnet |
| Rule name: | win_asyncrat_unobfuscated |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc) |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | win_asyncrat_w0 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | Malpedia |
| Rule name: | classified |
|---|---|
| Author: | classified |
| Description: | classified |
| TLP : | TLP:AMBER |
| Rule name: | Windows_Generic_Threat_ce98c4bc |
|---|---|
| Author: | Elastic Security |
| TLP: | TLP:WHITE |
| Repository: | elastic |
| Rule name: | Windows_Trojan_Asyncrat_11a11ba1 |
|---|---|
| Author: | Elastic Security |
| TLP: | TLP:WHITE |
| Repository: | elastic |
Unpacker
The following YARA rules matched on the unpacked file.
No matches
Unpacked Files
The following files could be unpacked from this sample.
No unpacked files found
Task Information
| Task ID: | 65b38cb3-1fe0-11f1-b47f-42010aa4000b | |
|---|---|---|
| File name: | AsyncClient4.exe | |
| Task parameters: | ClamAV scan: | True |
| Unpack: | True | |
| Share file: | True | |
ClamAV Results
The file matched the following open source and commercial ClamAV rules.
| Signature: | Win.Packed.AsyncRAT-9856570-1 |
|---|
| Signature: | Win.Packed.AsyncRAT-9861056-1 |
|---|
| Signature: | Win.Packed.Razy-9625918-0 |
|---|
YARA Results
Static Analysis
The following YARA rules matched on the file (static analysis).
| Rule name: | AsyncRat |
|---|---|
| Author: | kevoreilly, JPCERT/CC Incident Response Group |
| Description: | AsyncRat Payload |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | asyncrat_kingrat |
|---|---|
| Author: | jeFF0Falltrades |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | classified |
|---|---|
| Description: | classified |
| Rule name: | DebuggerCheck__RemoteAPI |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| TLP: | TLP:WHITE |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse |
|---|---|
| Author: | ditekSHen |
| Description: | Detects file containing reversed ASEP Autorun registry keys |
| TLP: | TLP:WHITE |
| Repository: | diˈtekSHən |
| Rule name: | MAL_AsnycRAT |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects AsnycRAT based on it's config decryption routine |
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | MAL_AsyncRAT_Config_Decryption |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects AsnycRAT based on it's config decryption routine |
| TLP: | TLP:WHITE |
| Rule name: | Mal_WIN_AsyncRat_RAT_PE |
|---|---|
| Author: | Phatcharadol Thangplub |
| Description: | Use to detect AsyncRAT implant. |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | malware_asyncrat |
|---|---|
| Description: | detect AsyncRat in memory |
| Reference: | https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp |
| TLP: | TLP:WHITE |
| Repository: | JPCERTCC |
| Rule name: | malware_asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | JPCERTCC |
| Rule name: | msil_suspicious_use_of_strreverse |
|---|---|
| Author: | dr4k0nia |
| Description: | Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | Multifamily_RAT_Detection |
|---|---|
| Author: | Lucas Acha (http://www.lukeacha.com) |
| Description: | Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | Njrat |
|---|---|
| Author: | botherder https://github.com/botherder |
| Description: | Njrat |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | pe_imphash |
|---|---|
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | SUSP_DOTNET_PE_List_AV |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detecs .NET Binary that lists installed AVs |
| TLP: | TLP:WHITE |
| Rule name: | SUSP_Reverse_Run_Key |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects a Reversed Run Key |
| TLP: | TLP:WHITE |
| Repository: | SIFalcon |
| Rule name: | VECT_Ransomware |
|---|---|
| Author: | Mustafa Bakhit |
| Description: | Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments. |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | win_asyncrat_bytecodes |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects bytecodes present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc) |
| TLP: | TLP:WHITE |
| Repository: | embee-research |
| Rule name: | win_asyncrat_j1 |
|---|---|
| Author: | Johannes Bader @viql |
| Description: | detects AsyncRAT |
| TLP: | TLP:WHITE |
| Repository: | Sandnet |
| Rule name: | win_asyncrat_unobfuscated |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc) |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | win_asyncrat_w0 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | Malpedia |
| Rule name: | classified |
|---|---|
| Author: | classified |
| Description: | classified |
| TLP : | TLP:AMBER |
| Rule name: | Windows_Generic_Threat_ce98c4bc |
|---|---|
| Author: | Elastic Security |
| TLP: | TLP:WHITE |
| Repository: | elastic |
| Rule name: | Windows_Trojan_Asyncrat_11a11ba1 |
|---|---|
| Author: | Elastic Security |
| TLP: | TLP:WHITE |
| Repository: | elastic |
Unpacker
The following YARA rules matched on the unpacked file.
No matches
Unpacked Files
The following files could be unpacked from this sample.
No unpacked files found
Task Information
| Task ID: | 65cc1433-1fe0-11f1-b47f-42010aa4000b | |
|---|---|---|
| File name: | AsyncClient4.exe | |
| Task parameters: | ClamAV scan: | True |
| Unpack: | True | |
| Share file: | True | |
ClamAV Results
The file matched the following open source and commercial ClamAV rules.
| Signature: | Win.Packed.AsyncRAT-9856570-1 |
|---|
| Signature: | Win.Packed.AsyncRAT-9861056-1 |
|---|
| Signature: | Win.Packed.Razy-9625918-0 |
|---|
YARA Results
Static Analysis
The following YARA rules matched on the file (static analysis).
| Rule name: | AsyncRat |
|---|---|
| Author: | kevoreilly, JPCERT/CC Incident Response Group |
| Description: | AsyncRat Payload |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | asyncrat_kingrat |
|---|---|
| Author: | jeFF0Falltrades |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | classified |
|---|---|
| Description: | classified |
| Rule name: | DebuggerCheck__RemoteAPI |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| TLP: | TLP:WHITE |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse |
|---|---|
| Author: | ditekSHen |
| Description: | Detects file containing reversed ASEP Autorun registry keys |
| TLP: | TLP:WHITE |
| Repository: | diˈtekSHən |
| Rule name: | MAL_AsnycRAT |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects AsnycRAT based on it's config decryption routine |
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | MAL_AsyncRAT_Config_Decryption |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects AsnycRAT based on it's config decryption routine |
| TLP: | TLP:WHITE |
| Rule name: | Mal_WIN_AsyncRat_RAT_PE |
|---|---|
| Author: | Phatcharadol Thangplub |
| Description: | Use to detect AsyncRAT implant. |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | malware_asyncrat |
|---|---|
| Description: | detect AsyncRat in memory |
| Reference: | https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp |
| TLP: | TLP:WHITE |
| Repository: | JPCERTCC |
| Rule name: | malware_asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | JPCERTCC |
| Rule name: | msil_suspicious_use_of_strreverse |
|---|---|
| Author: | dr4k0nia |
| Description: | Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | Multifamily_RAT_Detection |
|---|---|
| Author: | Lucas Acha (http://www.lukeacha.com) |
| Description: | Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | Njrat |
|---|---|
| Author: | botherder https://github.com/botherder |
| Description: | Njrat |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | pe_imphash |
|---|---|
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | SUSP_DOTNET_PE_List_AV |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detecs .NET Binary that lists installed AVs |
| TLP: | TLP:WHITE |
| Rule name: | SUSP_Reverse_Run_Key |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects a Reversed Run Key |
| TLP: | TLP:WHITE |
| Repository: | SIFalcon |
| Rule name: | VECT_Ransomware |
|---|---|
| Author: | Mustafa Bakhit |
| Description: | Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments. |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | win_asyncrat_bytecodes |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects bytecodes present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc) |
| TLP: | TLP:WHITE |
| Repository: | embee-research |
| Rule name: | win_asyncrat_j1 |
|---|---|
| Author: | Johannes Bader @viql |
| Description: | detects AsyncRAT |
| TLP: | TLP:WHITE |
| Repository: | Sandnet |
| Rule name: | win_asyncrat_unobfuscated |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc) |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | win_asyncrat_w0 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | Malpedia |
| Rule name: | classified |
|---|---|
| Author: | classified |
| Description: | classified |
| TLP : | TLP:AMBER |
| Rule name: | Windows_Generic_Threat_ce98c4bc |
|---|---|
| Author: | Elastic Security |
| TLP: | TLP:WHITE |
| Repository: | elastic |
| Rule name: | Windows_Trojan_Asyncrat_11a11ba1 |
|---|---|
| Author: | Elastic Security |
| TLP: | TLP:WHITE |
| Repository: | elastic |
Unpacker
The following YARA rules matched on the unpacked file.
No matches
Unpacked Files
The following files could be unpacked from this sample.
No unpacked files found
Task Information
| Task ID: | 418cb361-1fe0-11f1-b47f-42010aa4000b | |
|---|---|---|
| File name: | AsyncClient4.exe | |
| Task parameters: | ClamAV scan: | True |
| Unpack: | True | |
| Share file: | True | |
ClamAV Results
The file matched the following open source and commercial ClamAV rules.
| Signature: | Win.Packed.AsyncRAT-9856570-1 |
|---|
| Signature: | Win.Packed.AsyncRAT-9861056-1 |
|---|
| Signature: | Win.Packed.Razy-9625918-0 |
|---|
YARA Results
Static Analysis
The following YARA rules matched on the file (static analysis).
| Rule name: | AsyncRat |
|---|---|
| Author: | kevoreilly, JPCERT/CC Incident Response Group |
| Description: | AsyncRat Payload |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | asyncrat_kingrat |
|---|---|
| Author: | jeFF0Falltrades |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | classified |
|---|---|
| Description: | classified |
| Rule name: | DebuggerCheck__RemoteAPI |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| TLP: | TLP:WHITE |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse |
|---|---|
| Author: | ditekSHen |
| Description: | Detects file containing reversed ASEP Autorun registry keys |
| TLP: | TLP:WHITE |
| Repository: | diˈtekSHən |
| Rule name: | MAL_AsnycRAT |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects AsnycRAT based on it's config decryption routine |
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | MAL_AsyncRAT_Config_Decryption |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects AsnycRAT based on it's config decryption routine |
| TLP: | TLP:WHITE |
| Rule name: | Mal_WIN_AsyncRat_RAT_PE |
|---|---|
| Author: | Phatcharadol Thangplub |
| Description: | Use to detect AsyncRAT implant. |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | malware_asyncrat |
|---|---|
| Description: | detect AsyncRat in memory |
| Reference: | https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp |
| TLP: | TLP:WHITE |
| Repository: | JPCERTCC |
| Rule name: | malware_asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | JPCERTCC |
| Rule name: | msil_suspicious_use_of_strreverse |
|---|---|
| Author: | dr4k0nia |
| Description: | Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | Multifamily_RAT_Detection |
|---|---|
| Author: | Lucas Acha (http://www.lukeacha.com) |
| Description: | Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | Njrat |
|---|---|
| Author: | botherder https://github.com/botherder |
| Description: | Njrat |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | pe_imphash |
|---|---|
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | SUSP_DOTNET_PE_List_AV |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detecs .NET Binary that lists installed AVs |
| TLP: | TLP:WHITE |
| Rule name: | SUSP_Reverse_Run_Key |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects a Reversed Run Key |
| TLP: | TLP:WHITE |
| Repository: | SIFalcon |
| Rule name: | VECT_Ransomware |
|---|---|
| Author: | Mustafa Bakhit |
| Description: | Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments. |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | win_asyncrat_bytecodes |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects bytecodes present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc) |
| TLP: | TLP:WHITE |
| Repository: | embee-research |
| Rule name: | win_asyncrat_j1 |
|---|---|
| Author: | Johannes Bader @viql |
| Description: | detects AsyncRAT |
| TLP: | TLP:WHITE |
| Repository: | Sandnet |
| Rule name: | win_asyncrat_unobfuscated |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc) |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | win_asyncrat_w0 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | Malpedia |
| Rule name: | classified |
|---|---|
| Author: | classified |
| Description: | classified |
| TLP : | TLP:AMBER |
| Rule name: | Windows_Generic_Threat_ce98c4bc |
|---|---|
| Author: | Elastic Security |
| TLP: | TLP:WHITE |
| Repository: | elastic |
| Rule name: | Windows_Trojan_Asyncrat_11a11ba1 |
|---|---|
| Author: | Elastic Security |
| TLP: | TLP:WHITE |
| Repository: | elastic |
Unpacker
The following YARA rules matched on the unpacked file.
No matches
Unpacked Files
The following files could be unpacked from this sample.
No unpacked files found
Task Information
| Task ID: | 41a15e60-1fe0-11f1-b47f-42010aa4000b | |
|---|---|---|
| File name: | AsyncClient4.exe | |
| Task parameters: | ClamAV scan: | True |
| Unpack: | True | |
| Share file: | True | |
ClamAV Results
The file matched the following open source and commercial ClamAV rules.
| Signature: | Win.Packed.AsyncRAT-9856570-1 |
|---|
| Signature: | Win.Packed.AsyncRAT-9861056-1 |
|---|
| Signature: | Win.Packed.Razy-9625918-0 |
|---|
YARA Results
Static Analysis
The following YARA rules matched on the file (static analysis).
| Rule name: | AsyncRat |
|---|---|
| Author: | kevoreilly, JPCERT/CC Incident Response Group |
| Description: | AsyncRat Payload |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | asyncrat_kingrat |
|---|---|
| Author: | jeFF0Falltrades |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | classified |
|---|---|
| Description: | classified |
| Rule name: | DebuggerCheck__RemoteAPI |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| TLP: | TLP:WHITE |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse |
|---|---|
| Author: | ditekSHen |
| Description: | Detects file containing reversed ASEP Autorun registry keys |
| TLP: | TLP:WHITE |
| Repository: | diˈtekSHən |
| Rule name: | MAL_AsnycRAT |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects AsnycRAT based on it's config decryption routine |
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | MAL_AsyncRAT_Config_Decryption |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects AsnycRAT based on it's config decryption routine |
| TLP: | TLP:WHITE |
| Rule name: | Mal_WIN_AsyncRat_RAT_PE |
|---|---|
| Author: | Phatcharadol Thangplub |
| Description: | Use to detect AsyncRAT implant. |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | malware_asyncrat |
|---|---|
| Description: | detect AsyncRat in memory |
| Reference: | https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp |
| TLP: | TLP:WHITE |
| Repository: | JPCERTCC |
| Rule name: | malware_asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | JPCERTCC |
| Rule name: | msil_suspicious_use_of_strreverse |
|---|---|
| Author: | dr4k0nia |
| Description: | Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | Multifamily_RAT_Detection |
|---|---|
| Author: | Lucas Acha (http://www.lukeacha.com) |
| Description: | Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | Njrat |
|---|---|
| Author: | botherder https://github.com/botherder |
| Description: | Njrat |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | pe_imphash |
|---|---|
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | SUSP_DOTNET_PE_List_AV |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detecs .NET Binary that lists installed AVs |
| TLP: | TLP:WHITE |
| Rule name: | SUSP_Reverse_Run_Key |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects a Reversed Run Key |
| TLP: | TLP:WHITE |
| Repository: | SIFalcon |
| Rule name: | VECT_Ransomware |
|---|---|
| Author: | Mustafa Bakhit |
| Description: | Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments. |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | win_asyncrat_bytecodes |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects bytecodes present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc) |
| TLP: | TLP:WHITE |
| Repository: | embee-research |
| Rule name: | win_asyncrat_j1 |
|---|---|
| Author: | Johannes Bader @viql |
| Description: | detects AsyncRAT |
| TLP: | TLP:WHITE |
| Repository: | Sandnet |
| Rule name: | win_asyncrat_unobfuscated |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc) |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | win_asyncrat_w0 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | Malpedia |
| Rule name: | classified |
|---|---|
| Author: | classified |
| Description: | classified |
| TLP : | TLP:AMBER |
| Rule name: | Windows_Generic_Threat_ce98c4bc |
|---|---|
| Author: | Elastic Security |
| TLP: | TLP:WHITE |
| Repository: | elastic |
| Rule name: | Windows_Trojan_Asyncrat_11a11ba1 |
|---|---|
| Author: | Elastic Security |
| TLP: | TLP:WHITE |
| Repository: | elastic |
Unpacker
The following YARA rules matched on the unpacked file.
No matches
Unpacked Files
The following files could be unpacked from this sample.
No unpacked files found
Task Information
| Task ID: | 01e32625-1fe0-11f1-b47f-42010aa4000b | |
|---|---|---|
| File name: | dc493f1ac7e16a6a57a111a6733260fe | |
| Task parameters: | ClamAV scan: | True |
| Unpack: | False | |
| Share file: | True | |
ClamAV Results
The file matched the following open source and commercial ClamAV rules.
| Signature: | Win.Packed.AsyncRAT-9856570-1 |
|---|
| Signature: | Win.Packed.AsyncRAT-9861056-1 |
|---|
| Signature: | Win.Packed.Razy-9625918-0 |
|---|
YARA Results
Static Analysis
The following YARA rules matched on the file (static analysis).
| Rule name: | asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | AsyncRat |
|---|---|
| Author: | kevoreilly, JPCERT/CC Incident Response Group |
| Description: | AsyncRat Payload |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | asyncrat_kingrat |
|---|---|
| Author: | jeFF0Falltrades |
| TLP: | TLP:WHITE |
| Repository: | CAPE |
| Rule name: | classified |
|---|---|
| Description: | classified |
| Rule name: | DebuggerCheck__RemoteAPI |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| TLP: | TLP:WHITE |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse |
|---|---|
| Author: | ditekSHen |
| Description: | Detects file containing reversed ASEP Autorun registry keys |
| TLP: | TLP:WHITE |
| Repository: | diˈtekSHən |
| Rule name: | MAL_AsnycRAT |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects AsnycRAT based on it's config decryption routine |
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | MAL_AsyncRAT_Config_Decryption |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects AsnycRAT based on it's config decryption routine |
| TLP: | TLP:WHITE |
| Rule name: | Mal_WIN_AsyncRat_RAT_PE |
|---|---|
| Author: | Phatcharadol Thangplub |
| Description: | Use to detect AsyncRAT implant. |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | malware_asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | JPCERTCC |
| Rule name: | malware_asyncrat |
|---|---|
| Description: | detect AsyncRat in memory |
| Reference: | https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp |
| TLP: | TLP:WHITE |
| Repository: | JPCERTCC |
| Rule name: | msil_suspicious_use_of_strreverse |
|---|---|
| Author: | dr4k0nia |
| Description: | Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | Multifamily_RAT_Detection |
|---|---|
| Author: | Lucas Acha (http://www.lukeacha.com) |
| Description: | Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | Njrat |
|---|---|
| Author: | botherder https://github.com/botherder |
| Description: | Njrat |
| TLP: | TLP:WHITE |
| Repository: |
| Rule name: | pe_imphash |
|---|---|
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| TLP: | TLP:WHITE |
| Repository: | MalwareBazaar |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | SUSP_DOTNET_PE_List_AV |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detecs .NET Binary that lists installed AVs |
| TLP: | TLP:WHITE |
| Rule name: | SUSP_Reverse_Run_Key |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects a Reversed Run Key |
| TLP: | TLP:WHITE |
| Repository: | SIFalcon |
| Rule name: | VECT_Ransomware |
|---|---|
| Author: | Mustafa Bakhit |
| Description: | Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments. |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | win_asyncrat_bytecodes |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects bytecodes present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc) |
| TLP: | TLP:WHITE |
| Repository: | embee-research |
| Rule name: | win_asyncrat_j1 |
|---|---|
| Author: | Johannes Bader @viql |
| Description: | detects AsyncRAT |
| TLP: | TLP:WHITE |
| Repository: | Sandnet |
| Rule name: | win_asyncrat_unobfuscated |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc) |
| TLP: | TLP:WHITE |
| Repository: | YARAify |
| Rule name: | win_asyncrat_w0 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| TLP: | TLP:WHITE |
| Repository: | Malpedia |
| Rule name: | classified |
|---|---|
| Author: | classified |
| Description: | classified |
| TLP : | TLP:AMBER |
| Rule name: | Windows_Generic_Threat_ce98c4bc |
|---|---|
| Author: | Elastic Security |
| TLP: | TLP:WHITE |
| Repository: | elastic |
| Rule name: | Windows_Trojan_Asyncrat_11a11ba1 |
|---|---|
| Author: | Elastic Security |
| TLP: | TLP:WHITE |
| Repository: | elastic |
Unpacker
The following YARA rules matched on the unpacked file.
Disabled by submitter
Unpacked Files
The following files could be unpacked from this sample.
Disabled by submitter