SEKOIA_Apt_Ta428_Tmanger_Strings

rule SEKOIA_Apt_Ta428_Tmanger_Strings : FILE
{
	meta:
		description = "Detects Tmanger malware"
		author = "Sekoia.io"
		id = "f600404d-3f93-4e3f-bba7-9f519f67c6cb"
		date = "2022-09-06"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/apt_ta428_tmanger_strings.yar#L1-L26"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "e045f38367fa7f3cdcc908e60de4386889c7878c95b1a40f63fd70683699b0f1"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "sock_hmutex" wide ascii
		$ = "cmd_hmutex" wide ascii
		$ = "%s_%d.bmp" wide ascii
		$ = "WSAStartup Error!" wide ascii
		$ = "4551-8f84-08e738aec" wide ascii
		$ = "Init failed!" wide ascii
		$ = "GetLanIP error!" wide ascii
		$ = "chcp & exit" wide ascii
		$ = "GetHostname error!" wide ascii
		$ = "[Num Lock]" wide ascii

	condition:
		uint16be( 0 ) == 0x4d5a and filesize < 200KB and 4 of them
}