YARAify Scan Results

Task Information

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Task ID:	617f739a-2e47-11f1-b47f-42010aa4000b
File name:	2201f17a9e9ea50cca841262ee7ed27a
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.Trojan.Remcos-10002580-0 Alert Create hunting rule

Signature:	Win.Trojan.Remcos-9841897-0 Alert Create hunting rule

Signature:	YARA.EMBEERESEARCH_Win_Remcos_Rat_Unpacked.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:	cobalt_strike_tmp01925d3f Alert Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com
TLP:	TLP:WHITE
Repository:	YARAify

Rule name:	CP_Script_Inject_Detector Alert Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
TLP:	TLP:WHITE
Repository:	YARAify

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

Rule name:	DetectEncryptedVariants Alert Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
TLP:	TLP:WHITE
Repository:	YARAify

Rule name:	Disable_Defender Alert Create hunting rule
Author:	iam-py-test
Description:	Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
TLP:	TLP:WHITE
Repository:	MalwareBazaar

Rule name:	FreddyBearDropper Alert Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
TLP:	TLP:WHITE
Repository:	YARAify

Rule name:	golang_bin_JCorn_CSC846 Alert Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset
TLP:	TLP:WHITE
Repository:	YARAify

Rule name:	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM Alert Create hunting rule
Author:	ditekSHen
Description:	Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
TLP:	TLP:WHITE
Repository:	diˈtekSHən

Rule name:	pe_detect_tls_callbacks Alert Create hunting rule
Author:
TLP:	TLP:WHITE
Repository:	YARAify

Rule name:	Remcos_unpacked_PulseIntel Alert Create hunting rule
Author:	PulseIntel
Description:	Remcos Payload
TLP:	TLP:WHITE
Repository:	YARAify

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

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_remcos_rat_unpacked Alert Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects strings present in remcos rat Samples.
TLP:	TLP:WHITE
Repository:	YARAify

Rule name:	win_remcos_w0 Alert Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects strings present in remcos rat Samples.
TLP:	TLP:WHITE
Repository:	Malpedia

Rule name:	Windows_Trojan_Remcos_921ef449 Alert Create hunting rule
Author:	Elastic Security
TLP:	TLP:WHITE
Repository:	elastic

Rule name:	Windows_Trojan_Remcos_b296e965 Alert Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
TLP:	TLP:WHITE
Repository:	elastic

Rule name:	yarahub_win_remcos_rat_unpacked_aug_2023 Alert Create hunting rule
Author:	Matthew @ Embee_Research
TLP:	TLP:WHITE
Repository:	YARAify

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.