YARAify Scan Results

Task Information

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Task ID:	c9cb979d-528f-11f1-badc-42010aa4000b
File name:	ccab89077121432f1697141bb8e35a36
Task parameters:	ClamAV scan:	True
	Unpack:	False
	Share file:	True

ClamAV Results

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The file matched the following open source and commercial ClamAV rules.

Signature:	Win.Packed.AsyncRAT-9861056-1 Alert Create hunting rule

Signature:	Win.Packed.Razy-9625918-0 Alert Create hunting rule

Signature:	YARA.SECUINFRA_SUSP_Reverse_Run_Key.UNOFFICIAL Alert Create hunting rule

Signature:	YARA.SEKOIA_Rat_Win_Asyncrat.UNOFFICIAL Alert Create hunting rule

YARA Results

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Static Analysis

The following YARA rules matched on the file (static analysis).

Rule name:	asyncrat Alert Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research
TLP:	TLP:WHITE
Repository:	CAPE

Rule name:	AsyncRat Alert Create hunting rule
Author:	kevoreilly, JPCERT/CC Incident Response Group
Description:	AsyncRat Payload
TLP:	TLP:WHITE
Repository:	CAPE

Rule name:	asyncrat_kingrat Alert Create hunting rule
Author:	jeFF0Falltrades
TLP:	TLP:WHITE
Repository:	CAPE

Rule name:	classified
Description:	classified

Rule name:	DebuggerCheck__RemoteAPI Alert Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
TLP:	TLP:WHITE

Rule name:	INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse Alert Create hunting rule
Author:	ditekSHen
Description:	Detects file containing reversed ASEP Autorun registry keys
TLP:	TLP:WHITE
Repository:	diˈtekSHən

Rule name:	MAL_AsnycRAT Alert Create hunting rule
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 Alert Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects AsnycRAT based on it's config decryption routine
TLP:	TLP:WHITE

Rule name:	Mal_WIN_AsyncRat_RAT_PE Alert Create hunting rule
Author:	Phatcharadol Thangplub
Description:	Use to detect AsyncRAT implant.
TLP:	TLP:WHITE
Repository:	YARAify

Rule name:	malware_asyncrat Alert Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research
TLP:	TLP:WHITE
Repository:	JPCERTCC

Rule name:	malware_asyncrat Alert Create hunting rule
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 Alert Create hunting rule
Author:	dr4k0nia
Description:	Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
TLP:	TLP:WHITE
Repository:

Rule name:	Multifamily_RAT_Detection Alert Create hunting rule
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 Alert Create hunting rule
Author:	malware-lu
TLP:	TLP:WHITE
Repository:

Rule name:	NETexecutableMicrosoft Alert Create hunting rule
Author:	malware-lu
TLP:	TLP:WHITE
Repository:

Rule name:	Njrat Alert Create hunting rule
Author:	botherder https://github.com/botherder
Description:	Njrat
TLP:	TLP:WHITE
Repository:

Rule name:	pe_imphash Alert Create hunting rule
TLP:	TLP:WHITE
Repository:	MalwareBazaar

Rule name:	Skystars_Malware_Imphash Alert Create hunting rule
Author:	Skystars LightDefender
Description:	imphash
TLP:	TLP:WHITE
Repository:	MalwareBazaar

Rule name:	Sus_CMD_Powershell_Usage Alert Create hunting rule
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 Alert Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detecs .NET Binary that lists installed AVs
TLP:	TLP:WHITE

Rule name:	SUSP_Reverse_Run_Key Alert Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects a Reversed Run Key
TLP:	TLP:WHITE
Repository:	SIFalcon

Rule name:	telebot_framework Alert Create hunting rule
Author:	vietdx.mb
TLP:	TLP:WHITE
Repository:	YARAify

Rule name:	VECT_Ransomware Alert Create hunting rule
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 Alert Create hunting rule
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 Alert Create hunting rule
Author:	Johannes Bader @viql
Description:	detects AsyncRAT
TLP:	TLP:WHITE
Repository:	Sandnet

Rule name:	win_asyncrat_w0 Alert Create hunting rule
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_Trojan_Asyncrat_11a11ba1 Alert Create hunting rule
Author:	Elastic Security
TLP:	TLP:WHITE
Repository:	elastic

Unpacker

The following YARA rules matched on the unpacked file.

Unpacked Files

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The following files could be unpacked from this sample.