MALPEDIA_Win_Wannacryptor_Auto

rule MALPEDIA_Win_Wannacryptor_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "1452a822-68f1-555c-a131-812c2b3d3b47"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.wannacryptor"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.wannacryptor_auto.yar#L1-L113"
		license_url = "N/A"
		logic_hash = "4e95f36de2f2a8220a615ebdc12f79bdab2eac9d47b80bff14057dcba87bcc3d"
		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 = { 56 8bf1 50 e8???????? 8b4c240c 8b542410 51 }
		$sequence_1 = { 7d14 8b4204 85c0 7c0d 3b4154 7d08 }
		$sequence_2 = { 8b5500 03cf 8a0417 50 }
		$sequence_3 = { 7d0d 8b5168 8b7960 03d7 }
		$sequence_4 = { 83ec54 56 8bf1 57 8a4658 }
		$sequence_5 = { 8d78c0 0fafd7 8916 8b796c }
		$sequence_6 = { 8b4620 6821010000 6a00 6a00 }
		$sequence_7 = { 50 51 885c243c e8???????? }
		$sequence_8 = { 8bd8 8b5500 03cf 8a4411ff 8bcd 50 57 }
		$sequence_9 = { 7507 8bce e8???????? 8d54241c }

	condition:
		7 of them and filesize < 540672
}