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DITEKSHEN_MALWARE_Win_Dharma

Detects Dharma ransomware

MalwareDharmaditekSHen 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 Dharma ransomware

Associated malware family: Dharma.

Targets: Windows PE.

It defines 1 patterns (1 text, 0 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

Download .yar
malware-win-dharma.yarBSD 2-Clause License
rule DITEKSHEN_MALWARE_Win_Dharma : FILE
{
	meta:
		description = "Detects Dharma ransomware"
		author = "ditekSHen"
		id = "070be95e-8d9c-5c4d-9d46-cddea6dbb682"
		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#L4720-L4728"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "2727b2c0295e32699e08c3c79d7ac6fd52f1520358ac23290d40df428c969f4b"
		score = 75
		quality = 75
		tags = "FILE"

	strings:
		$s1 = "C:\\crysis\\Release\\PDB\\payload.pdb" fullword ascii

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

Strings (1 patterns)

IdentifierTypeValueModifiers
$s1text"C:\\crysis\\Release\\PDB\\payload.pdb"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: 070be95e-8d9c-5c4d-9d46-cddea6dbb682

Tags:FILE

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