YARAify Scan Results

Task Information

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Task ID:	377c1fa4-2071-11f1-b47f-42010aa4000b
File name:	400000.xb7165e7214e7c7b16a35095f8649f1ec7e13541395f1.exe
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.Malware.Fragtor-10003116-0 Alert Create hunting rule

Signature:	Win.Malware.Stealerc-10034234-0 Alert Create hunting rule

YARA Results

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Static Analysis

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

Rule name:	command_and_control Alert Create hunting rule
Author:	CD_R0M_
Description:	This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
TLP:	TLP:WHITE
Repository:	CD-R0M

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

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

Rule name:	Detect_PowerShell_Obfuscation Alert Create hunting rule
Author:	daniyyell
Description:	Detects obfuscated PowerShell commands commonly used in malicious scripts.
TLP:	TLP:WHITE
Repository:	YARAify

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:	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:	infostealer_win_stealc_standalone Alert Create hunting rule
Description:	Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:	https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/
TLP:	TLP:WHITE
Repository:

Rule name:	classified
Author:	classified
Description:	classified
TLP :	TLP:AMBER

Rule name:	malware_Stealc_str Alert Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	Stealc infostealer
TLP:	TLP:WHITE
Repository:	JPCERTCC

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

Rule name:	Stealc Alert Create hunting rule
Author:	kevoreilly
Description:	Stealc Payload
TLP:	TLP:WHITE
Repository:	CAPE

Rule name:	Stealer_Stealc Alert Create hunting rule
Author:	Still
Description:	attempts to match instructions/strings found in Stealc
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:	Suspicious_Process Alert Create hunting rule
Author:	Security Research Team
Description:	Suspicious process creation
TLP:	TLP:WHITE
Repository:	YARAify

Rule name:	WIN_FileFix_Detection Alert Create hunting rule
Author:	dogsafetyforeverone
Description:	Detects FileFix social engineering technique that launches chained PowerShell and PHP commands from file explorer typed paths
Reference:	FileFix social engineering with PowerShell and PHP commands
TLP:	TLP:WHITE
Repository:	YARAify

Rule name:	classified
Author:	classified
TLP :	TLP:AMBER

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

Rule name:	win_stealc_w0 Alert Create hunting rule
Author:	crep1x
Description:	Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:	https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/
TLP:	TLP:WHITE
Repository:	Malpedia

Rule name:	WIN_WebSocket_Base64_C2_20250726 Alert Create hunting rule
Author:	dogsafetyforeverone
Description:	Detects configuration strings used by malware to specify WebSocket command-and-control endpoints inside Base64-encoded data. It looks for prefixes such as '#ws://' or '#wss://' that were found in QuasarRAT configuration data.
TLP:	TLP:WHITE
Repository:	YARAify

Rule name:	Windows_Generic_Threat_2bba6bae 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.