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MALPEDIA_Win_Phoenix_Locker_Auto

autogenerated rule brought to you by yara-signator

MalwarePhoenix LockerMalpedia signator rulesCreative Commons Attribution-ShareAlike 4.0Compiles with YARA-X (with warnings)
Author
Felix Bilstein - yara-signator at cocacoding dot com
Date
2026-05-04
Modified
2026-05-18
Score / Quality
75 / 73

What this rule detects

autogenerated rule brought to you by yara-signator

Associated malware family: Phoenix Locker.

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

YARA-X says: warning[text_as_hex]: hex pattern could be written as text literal

Summary generated from the rule's metadata and condition.

Rule source

win-phoenix-locker-auto.yarCreative Commons Attribution-ShareAlike 4.0
rule MALPEDIA_Win_Phoenix_Locker_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "4dfa7ef0-4875-564b-b865-e6f102f3af31"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.phoenix_locker"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.phoenix_locker_auto.yar#L1-L128"
		license_url = "N/A"
		logic_hash = "b1d5a233dad93ad87e8e6ab53dd93151b79c7e64341cdca8448cd67b7ab7a537"
		score = 75
		quality = 73
		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 = { 418d4238 fece 66450fb3f8 418d5278 66440fb6c0 c1e903 }
		$sequence_1 = { 0f8774000000 0f8530000000 488b542428 480fb7cd 488d4b14 e9???????? ff15???????? }
		$sequence_2 = { e9???????? c3 683065706f 9c 48c1a4240800000041 6827366401 }
		$sequence_3 = { 41d3c5 488b6c2468 4080d718 80fb82 488b742478 490fbbd5 8bc3 }
		$sequence_4 = { 7f52 b760 00504f d1c0 0c86 32fb }
		$sequence_5 = { 0855dd 43f6d1 11d7 43b7b1 743d bc15d6512a bc112e45ce }
		$sequence_6 = { e9???????? 41ffc6 49ffc4 413aed 4489b424a0000000 4080fc80 664585dd }
		$sequence_7 = { 3bc6 e9???????? 0f84e8fdffff 488b5c2430 48d3c7 488b742438 }
		$sequence_8 = { e8???????? 4881842418000000aa78f72a 488b7c2428 48c74424281256ce88 68d72a8642 48c1a42400000000ef 689b25ad02 }
		$sequence_9 = { 415b 415e 415f 415f 415e }

	condition:
		7 of them and filesize < 3702784
}

Strings (10 patterns)

IdentifierTypeValueModifiers
$sequence_0hex{ 418d4238 fece 66450fb3f8 418d5278 66440fb6c0 c1e903 }
$sequence_1hex{ 0f8774000000 0f8530000000 488b542428 480fb7cd 488d4b14 e9???????? ff15???????? }
$sequence_2hex{ e9???????? c3 683065706f 9c 48c1a4240800000041 6827366401 }
$sequence_3hex{ 41d3c5 488b6c2468 4080d718 80fb82 488b742478 490fbbd5 8bc3 }
$sequence_4hex{ 7f52 b760 00504f d1c0 0c86 32fb }
$sequence_5hex{ 0855dd 43f6d1 11d7 43b7b1 743d bc15d6512a bc112e45ce }
$sequence_6hex{ e9???????? 41ffc6 49ffc4 413aed 4489b424a0000000 4080fc80 664585dd }
$sequence_7hex{ 3bc6 e9???????? 0f84e8fdffff 488b5c2430 48d3c7 488b742438 }
$sequence_8hex{ e8???????? 4881842418000000aa78f72a 488b7c2428 48c74424281256ce88 68d72a8642 48c1a42400000000ef 689b25ad02 }
$sequence_9hex{ 415b 415e 415f 415f 415e }

Condition

7 of them and filesize < 3702784

In plain words (Heuristic)

  • The file must be smaller than 3702784 (a cheap guard that skips large files).
  • At least 7 patterns in the rule must match.

Test this rule in your browser

Drop a file to scan it with this rule using YARA-X compiled to WebAssembly. Nothing is uploaded.

Drop a file here or click to chooseScanned locally with YARA-X. Files up to 200 MB.

Open in editor

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: 4dfa7ef0-4875-564b-b865-e6f102f3af31

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