DITEKSHEN_MALWARE_Joego

rule DITEKSHEN_MALWARE_Joego : FILE
{
	meta:
		description = "JoeGo ransomware payload"
		author = "ditekSHen"
		id = "23d38bcd-e66d-5ff1-ad6a-3e6432d83562"
		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#L827-L847"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "3ddf3506aefb3cd1845f9daa689848a02a2422ca98c5c984bc918cc7ea2b2677"
		score = 75
		quality = 75
		tags = "FILE"
		clamav_sig = "MALWARE.Win.Ransomware.JoeGo"

	strings:
		$go = "Go build ID:" ascii
		$s1 = "%SystemRoot%\\system32\\%v." ascii
		$s2 = "REG ADD HKCU\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run /V" ascii
		$s3 = "/t REG_SZ /F /D %userprofile%\\" ascii
		$s4 = "(sensitive) [recovered]" ascii
		$s5 = "/dev/stderr/dev/stdout/index.html" ascii
		$s6 = "%userprofile%\\SystemApps" ascii
		$s7 = "p=<br>ACDTACSTAEDTAESTAKDTAKSTAWSTA" ascii
		$cnc1 = "/detail.php" ascii
		$cnc2 = "/checkin.php" ascii
		$cnc3 = "/platebni_brana.php" ascii
		$cnc4 = "://nebezpecnyweb.eu/" ascii

	condition:
		uint16( 0 ) == 0x5a4d and $go and ( all of ( $s* ) or ( 3 of ( $s* ) and 1 of ( $cnc* ) ) )
}