MALPEDIA_Win_Crylocker_Auto

rule MALPEDIA_Win_Crylocker_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "ba8013ac-ab0d-54e4-8e27-41843f998720"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.crylocker"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.crylocker_auto.yar#L1-L121"
		license_url = "N/A"
		logic_hash = "3f275058e277046ba506ca6d012d8f12db84391ca9a536fb0c7f325de63fcadd"
		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 e8???????? 83c408 8b442410 40 89442410 3b4704 }
		$sequence_1 = { ffd5 85c0 750a b8faffffff }
		$sequence_2 = { 394c243c 0f8711ffffff 5f 5b }
		$sequence_3 = { 8b7c241c 8b07 50 56 e8???????? 33db 83c408 }
		$sequence_4 = { 8b442438 8b4c2434 50 51 56 e8???????? 8b542444 }
		$sequence_5 = { 85ed 0f84d5010000 8b742438 6a00 56 53 55 }
		$sequence_6 = { 8b442430 68???????? 68???????? 50 }
		$sequence_7 = { 55 57 33ff 8d442424 }
		$sequence_8 = { 56 51 e8???????? 8d542408 6a00 52 }
		$sequence_9 = { ffd7 8bf0 83feff 750c 5f 5e b8f5ffffff }

	condition:
		7 of them and filesize < 139264
}