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MALPEDIA_Win_Thanatos_Auto

autogenerated rule brought to you by yara-signator

MalwareThanatosMalpedia signator rulesCreative Commons Attribution-ShareAlike 4.0Compiles with YARA-X
Author
Felix Bilstein - yara-signator at cocacoding dot com
Date
2026-05-04
Modified
2026-05-18
Score / Quality
75 / 75

What this rule detects

autogenerated rule brought to you by yara-signator

Associated malware family: Thanatos.

It defines 10 patterns (0 text, 10 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

win-thanatos-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Thanatos_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "5d21030d-7dfc-518b-8358-5e84b9aa8841"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.thanatos"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.thanatos_auto.yar#L1-L128"
		license_url = "N/A"
		logic_hash = "f8b101a3eb23d9bffc88667836f507717244d359292f3afdd082a29fe1a6ac77"
		score = 75
		quality = 75
		tags = "FILE"
		version = "1"
		tool = "yara-signator v0.6.0"
		signator_config = "callsandjumps;datarefs;binvalue"
		malpedia_rule_date = "20260422"
		malpedia_hash = "a182e35da64e6d71cb55f125c4d4225196523f14"
		malpedia_version = "20260504"
		malpedia_license = "CC BY-SA 4.0"
		malpedia_sharing = "TLP:WHITE"

	strings:
		$sequence_0 = { e8???????? 83c40c 8d85ecfeffff 68???????? 68???????? 50 ff15???????? }
		$sequence_1 = { ba75453a66 8bcf a3???????? e8???????? }
		$sequence_2 = { 56 ffd7 8d3446 83c602 66833e00 75bc 5f }
		$sequence_3 = { 8b06 83c004 03c6 50 e8???????? 8b04bdf0ac0110 }
		$sequence_4 = { 25ff000000 c1ea08 331485b8520d10 0fb64601 33c2 c1ea08 25ff000000 }
		$sequence_5 = { 83ec0c 837d0c00 8bc1 57 8955f8 8945fc }
		$sequence_6 = { 8d45c4 50 c745c470520110 e8???????? ff7524 e8???????? }
		$sequence_7 = { 8d41fc 83f803 771c 8b45fc 5f 83c13c 5e }
		$sequence_8 = { 8945ec 894df1 ff15???????? 898510fdffff 85c0 0f8458ffffff 6a00 }
		$sequence_9 = { 8d856cffffff 53 50 8bf1 c78568ffffff94000000 e8???????? 83c40c }

	condition:
		7 of them and filesize < 1810432
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ e8???????? 83c40c 8d85ecfeffff 68???????? 68???????? 50 ff15???????? }
$sequence_1hex{ ba75453a66 8bcf a3???????? e8???????? }
$sequence_2hex{ 56 ffd7 8d3446 83c602 66833e00 75bc 5f }
$sequence_3hex{ 8b06 83c004 03c6 50 e8???????? 8b04bdf0ac0110 }
$sequence_4hex{ 25ff000000 c1ea08 331485b8520d10 0fb64601 33c2 c1ea08 25ff000000 }
$sequence_5hex{ 83ec0c 837d0c00 8bc1 57 8955f8 8945fc }
$sequence_6hex{ 8d45c4 50 c745c470520110 e8???????? ff7524 e8???????? }
$sequence_7hex{ 8d41fc 83f803 771c 8b45fc 5f 83c13c 5e }
$sequence_8hex{ 8945ec 894df1 ff15???????? 898510fdffff 85c0 0f8458ffffff 6a00 }
$sequence_9hex{ 8d856cffffff 53 50 8bf1 c78568ffffff94000000 e8???????? 83c40c }

Condition

7 of them and filesize < 1810432

In plain words (Heuristic)

  • The file must be smaller than 1810432 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

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References

Licence & attribution

Author: Felix Bilstein - yara-signator at cocacoding dot com

Source repository: Malpedia signator rules @ c901f97b7d

Licence: Creative Commons Attribution-ShareAlike 4.0 (repository licence)

Original rule

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

Rule id: 5d21030d-7dfc-518b-8358-5e84b9aa8841

Metadata

version1
toolyara-signator v0.6.0
signator_configcallsandjumps;datarefs;binvalue
malpedia_rule_date20260422
malpedia_hasha182e35da64e6d71cb55f125c4d4225196523f14
malpedia_version20260504
malpedia_licenseCC BY-SA 4.0
malpedia_sharingTLP:WHITE

Tags:FILE