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YARA · CAPE Sandbox (CAPEv2)

CAPE_Latrodectus

Latrodectus Payload

MalwareLatrodectusCAPE Sandbox (CAPEv2)GNU General Public License v3.0Compiles with YARA-X
Author
enzok
Date
2024-01-18
Modified
2025-05-10
Score / Quality
75 / 70

What this rule detects

Latrodectus Payload

Associated malware family: Latrodectus.

It defines 5 patterns (0 text, 5 hex, 0 regex).

Summary generated from the rule's metadata and condition.

Rule source

latrodectus.yarGNU General Public License v3.0
rule CAPE_Latrodectus
{
	meta:
		description = "Latrodectus Payload"
		author = "enzok"
		id = "956b6736-b3ef-5974-b3dd-02d04336dbe8"
		date = "2024-01-18"
		modified = "2025-05-10"
		reference = "https://github.com/kevoreilly/CAPEv2"
		source_url = "https://github.com/kevoreilly/CAPEv2/blob/6b15e76f28cd83fd1187da6c9aaaad2174255356/data/yara/CAPE/Latrodectus.yar#L1-L16"
		license_url = "https://github.com/kevoreilly/CAPEv2/blob/6b15e76f28cd83fd1187da6c9aaaad2174255356/LICENSE"
		hash = "a547cff9991a713535e5c128a0711ca68acf9298cc2220c4ea0685d580f36811"
		logic_hash = "a8430299930f4c8de0a88c6836d4821871f7183cc5ff44ea9be84fbea47bbb13"
		score = 75
		quality = 70
		tags = ""
		cape_type = "Latrodectus Payload"

	strings:
		$fnvhash1 = {C7 04 24 C5 9D 1C 81 48 8B 44 24 20 48 89 44 24 08}
		$fnvhash2 = {8B 0C 24 33 C8 8B C1 89 04 24 69 04 24 93 01 00 01}
		$procchk1 = {E8 [3] FF 85 C0 74 [2] FF FF FF FF E9 [4] E8 [4] 89 44 24 ?? E8 [4] 83 F8 4B 73 ?? 83 [3] 06}
		$procchk2 = {72 [2] FF FF FF FF E9 [4] E8 [4] 83 F8 32 73 ?? 83 [3] 06}
		$version = {C7 44 2? ?? ?? 00 00 00 C7 44 2? ?? ?? 00 00 00 8B 05 [4] 89}

	condition:
		all of them
}

Strings (5 patterns)

IdentifierTypeValueModifiers
$fnvhash1hex{C7 04 24 C5 9D 1C 81 48 8B 44 24 20 48 89 44 24 08}
$fnvhash2hex{8B 0C 24 33 C8 8B C1 89 04 24 69 04 24 93 01 00 01}
$procchk1hex{E8 [3] FF 85 C0 74 [2] FF FF FF FF E9 [4] E8 [4] 89 44 24 ?? E8 [4] 83 F8 4B 73 ?? 83 [3] 06}
$procchk2hex{72 [2] FF FF FF FF E9 [4] E8 [4] 83 F8 32 73 ?? 83 [3] 06}
$versionhex{C7 44 2? ?? ?? 00 00 00 C7 44 2? ?? ?? 00 00 00 8B 05 [4] 89}

Condition

all of them

In plain words (Heuristic)

  • All patterns in the rule must match.

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References

Sample hashes

Hashes of samples the author lists in the rule's meta (look them up in your threat-intelligence platform).

  • a547cff9991a713535e5c128a0711ca68acf9298cc2220c4ea0685d580f36811

Licence & attribution

Author: enzok

Source repository: CAPE Sandbox (CAPEv2) @ 6b15e76f28

Licence: GNU General Public License v3.0 (repository licence)

Copyright notice: Cuckoo Sandbox is copyrighted by the Cuckoo Foundation.

Original rule

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

Rule id: 956b6736-b3ef-5974-b3dd-02d04336dbe8

Metadata

cape_typeLatrodectus Payload

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