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DITEKSHEN_MALWARE_Win_Peloader_INF

Detects PE loader / injector. Potentical HCrypt. 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. Potentical HCrypt. Observed Gorgon TTPs

Associated malware family: Peloader.

Targets: Windows PE.

It defines 4 patterns (4 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

Download .yar
malware-win-peloader-inf.yarBSD 2-Clause License
rule DITEKSHEN_MALWARE_Win_Peloader_INF : FILE
{
	meta:
		description = "Detects PE loader / injector. Potentical HCrypt. Observed Gorgon TTPs"
		author = "ditekSHen"
		id = "09823302-34e0-5283-9740-1475ab8077be"
		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#L4952-L4963"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "758f7b465b8f9dab5c1194bee266392efe143ac219a5307e6886845b3c862700"
		score = 75
		quality = 75
		tags = "FILE"

	strings:
		$x1 = "Managament.inf" fullword ascii
		$x2 = "rOnAlDo" fullword ascii
		$x3 = "untimeResourceSet" fullword ascii
		$x4 = "3System.Resources.Tools.StronglyTypedResourceBuilder" fullword ascii

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

Strings (4 patterns)

IdentifierTypeValueModifiers
$x1text"Managament.inf"fullword ascii
$x2text"rOnAlDo"fullword ascii
$x3text"untimeResourceSet"fullword ascii
$x4text"3System.Resources.Tools.StronglyTypedResourceBuilder"fullword ascii

Condition

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

In plain words (Heuristic)

  • The file must start with “MZ” — a Windows executable (PE).
  • All 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: 09823302-34e0-5283-9740-1475ab8077be

Tags:FILE

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