DITEKSHEN_MALWARE_Win_Motocos

rule DITEKSHEN_MALWARE_Win_Motocos : FILE
{
	meta:
		description = "Detects Motocos ransomware"
		author = "ditekSHen"
		id = "be7284be-b57d-5a2c-9a84-37d76445cd0d"
		date = "2020-11-06"
		modified = "2024-11-01"
		reference = "https://github.com/ditekshen/detection"
		source_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/yara/malware.yar#L5966-L5981"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "99ac365c277058503874313e3a74ab016d6d279b47c754c3df950e3ce60e29f1"
		score = 75
		quality = 75
		tags = "FILE"

	strings:
		$s1 = "Block Investigation Tools" wide
		$s2 = "powershell.exe,taskmgr.exe,procexp.exe,procmon.exe" wide
		$s3 = "google.com,youtube.com,baidu.com,facebook.com,amazon.com,360.cn,yahoo.com,wikipedia.org,zoom.us,live.com,reddit.com,netflix.com,microsoft.com,instagram.com,vk.com," wide
		$s4 = "START ----" wide
		$s5 = "TEngine.Clear_EventLog_Result" wide
		$s6 = "TEngine.EncryptLockFiles" wide
		$s7 = "TEngine.CleanShadowFiles" wide
		$s8 = "TDNSUtils.SendCommand" wide

	condition:
		uint16( 0 ) == 0x5a4d and 4 of them
}