SEKOIA_Downloader_Win_Cobianrat

rule SEKOIA_Downloader_Win_Cobianrat : FILE
{
	meta:
		description = "Detect CobianRAT downloader"
		author = "Sekoia.io"
		id = "7a86c17f-bf4e-4465-9488-244b75fc36f1"
		date = "2024-08-23"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/downloader_win_cobianrat.yar#L1-L23"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		hash = "7a70779d9d7de5e370fac0fa2d4ccd13"
		hash = "2ce40599a4990680db3af5defcd5381a"
		hash = "56515c48f82475e7bb6a26b027a459d7"
		hash = "3450bece12bd8103d5e718a2661d0404"
		hash = "132858739129d2b863dc547facbed7e9"
		hash = "693bd96d162c54d7e9605580eaf54a6e"
		hash = "d03a4988e22e6c7b2a03efa2bdb1502d"
		hash = "ab8c68b907ec2ce316bf18f00938710c"
		logic_hash = "6437a2d0854fb7bd9ddde8434e9a2b95cbb7ccc04381400db211f38a6a575e43"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = {24 00 44 00 6F 00 77 00 6E 00 6C 00 6F 00 61 00 64 00 55 00 72 00 6C 00 20 00 3D 00 20 00 27}

	condition:
		uint16be( 0 ) == 0x4d5a and all of them
}