DITEKSHEN_MALWARE_Win_Buterat

rule DITEKSHEN_MALWARE_Win_Buterat : FILE
{
	meta:
		description = "Detects ButeRAT"
		author = "ditekSHen"
		id = "74f63d61-6589-5fb1-864a-3a02ddd57ebc"
		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#L5822-L5839"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "c3d93e8dc1bde8e77c11586c8d8b67d137ef2c4791e12269f1af310fbe14832b"
		score = 75
		quality = 73
		tags = "FILE"

	strings:
		$x1 = "TVqQAAMAA" ascii
		$s1 = "ipinfo.io/geo" wide
		$s2 = "/index.php" wide
		$s3 = "Copy-Item -Path" wide
		$s4 = ";Start-Process" wide
		$s5 = "Microsoft\\Windows\\Start Menu\\Programs\\Startup" wide
		$s6 = "LOCALAPPDATA" fullword wide
		$s7 = "passwords.json" wide
		$s8 = "Scripting.FileSystemObject" fullword wide
		$z1 = /(edge|chrome|opera|exodus|jaxx|atomic|coinomi)\.zip/ ascii wide nocase

	condition:
		uint16( 0 ) == 0x5a4d and ( ( 1 of ( $x* ) or 1 of ( $z* ) ) and ( 4 of ( $s* ) ) or ( 6 of ( $s* ) ) or ( #z1 > 4 and 2 of them ) )
}