MALPEDIA_Win_Rapid_Ransom_Auto

rule MALPEDIA_Win_Rapid_Ransom_Auto : FILE
{
	meta:
		description = "autogenerated rule brought to you by yara-signator"
		author = "Felix Bilstein - yara-signator at cocacoding dot com"
		id = "d1f55c5c-3edd-5051-a42b-f4ae5356321e"
		date = "2026-05-04"
		modified = "2026-05-18"
		reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.rapid_ransom"
		source_url = "https://github.com/malpedia/signator-rules//blob/c901f97b7df03e41917da74c2a84b04c227316c2/rules/win.rapid_ransom_auto.yar#L1-L164"
		license_url = "N/A"
		logic_hash = "ecbf33a99cf78add42d7c499c34146ca392efd676167a207850c5efa57f65d3c"
		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 = { 50 6801000004 6800a40000 ff75f8 }
		$sequence_1 = { 57 663901 7561 8b713c 03f1 813e50450000 }
		$sequence_2 = { ff15???????? 8bd8 895c2434 85db 7509 }
		$sequence_3 = { 6a00 68a7000000 6a01 e8???????? }
		$sequence_4 = { ff15???????? 56 8ad8 ff15???????? 56 ff15???????? 5f }
		$sequence_5 = { 803e00 7509 803a00 0f840c010000 8d742464 b8???????? }
		$sequence_6 = { 55 8bec 83e4f8 81ec6c010000 53 56 57 }
		$sequence_7 = { 8bd0 8bce e8???????? 8b0d???????? 8b75ec 50 }
		$sequence_8 = { e8???????? c70021000000 eb44 c745e002000000 c745e494824100 8b4508 8bcf }
		$sequence_9 = { 81784820c14100 7409 ff7048 e8???????? 59 c70701000000 }
		$sequence_10 = { 8b4514 40 c745ecf54e4000 894df8 }
		$sequence_11 = { 56 57 6804010000 8d85f8feffff 8bfa }
		$sequence_12 = { ffd6 85c0 753b 8b542410 b9???????? e8???????? }
		$sequence_13 = { 8bcb 8b55ec 68???????? 893d???????? e8???????? 83c404 84c0 }
		$sequence_14 = { 8b75ec 8ac4 8b7de4 c0e102 c0eb04 }

	condition:
		7 of them and filesize < 286720
}