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DITEKSHEN_MALWARE_Win_Peloader_Runpe

Detects PE loader / injector. Observed Gorgon TTPs

MalwarePeloaderditekSHen detectionBSD 2-Clause LicenseCompiles with YARA-X
Author
ditekSHen
Date
2020-11-06
Modified
2024-11-01
Score / Quality
75 / 75

What this rule detects

Detects PE loader / injector. Observed Gorgon TTPs

Associated malware family: Peloader.

Targets: Windows PE.

It defines 7 patterns (7 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

malware-win-peloader-runpe.yarBSD 2-Clause License
rule DITEKSHEN_MALWARE_Win_Peloader_Runpe : FILE
{
	meta:
		description = "Detects PE loader / injector. Observed Gorgon TTPs"
		author = "ditekSHen"
		id = "262dedee-05d2-5783-b0ff-24470d310ab8"
		date = "2020-11-06"
		modified = "2024-11-01"
		reference = "https://github.com/ditekshen/detection"
		source_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/yara/malware.yar#L4936-L4950"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "0369c3e2f83a0265c81e5dcd10b4d88753bd6ce3da4bb893a364486712a2b80d"
		score = 75
		quality = 75
		tags = "FILE"

	strings:
		$s1 = "commandLine'" fullword ascii
		$s2 = "RunPe.dll" fullword ascii
		$s3 = "HandleRun" fullword ascii
		$s4 = "inheritHandles" fullword ascii
		$s5 = "BlockCopy" fullword ascii
		$s6 = "WriteProcessMemory" fullword ascii
		$s7 = "startupInfo" fullword ascii

	condition:
		uint16( 0 ) == 0x5a4d and 6 of them
}

Strings (7 patterns)

IdentifierTypeValueModifiers
$s1text"commandLine'"fullword ascii
$s2text"RunPe.dll"fullword ascii
$s3text"HandleRun"fullword ascii
$s4text"inheritHandles"fullword ascii
$s5text"BlockCopy"fullword ascii
$s6text"WriteProcessMemory"fullword ascii
$s7text"startupInfo"fullword ascii

Condition

uint16( 0 ) == 0x5a4d and 6 of them

In plain words (Heuristic)

  • The file must start with “MZ” — a Windows executable (PE).
  • At least 6 patterns in the rule must match.

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References

Licence & attribution

Author: ditekSHen

Source repository: ditekSHen detection @ e76c93dcde

Licence: BSD 2-Clause License (repository licence)

Copyright notice: Copyright 2021 by ditekSHen (https://github.com/ditekshen/detection).

Original rule

Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.

Rule id: 262dedee-05d2-5783-b0ff-24470d310ab8

Tags:FILE