DITEKSHEN_MALWARE_Win_Owowa

rule DITEKSHEN_MALWARE_Win_Owowa : FILE
{
	meta:
		description = "Detects Owowa"
		author = "ditekSHen"
		id = "c0a61601-e810-5acc-91a3-fa70db6d94da"
		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#L8989-L9007"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "afdeb30845ed4ef7b79e733e05d3e1ee53a8c441db74519577893d75c1249a41"
		score = 75
		quality = 75
		tags = "FILE"

	strings:
		$u1 = "jFuLIXpzRdateYHoVwMlfc" fullword ascii wide
		$u2 = "Fb8v91c6tHiKsWzrulCeqO" fullword ascii wide
		$u3 = "dEUM3jZXaDiob8BrqSy2PQO1" fullword ascii wide
		$s1 = "powershell.exe" fullword wide
		$s2 = "<RSAKeyValue><Modulus>" wide
		$s3 = "HealthMailbox" fullword wide
		$s4 = "6801b573-4cdb-4307-8d4a-3d1e2842f09f" ascii
		$s5 = "<PreSend_RequestContent>b__" ascii
		$s6 = "ClearHeaders" fullword ascii
		$s7 = "get_UserHostAddress" fullword ascii
		$s8 = "ExtenderControlDesigner" fullword ascii

	condition:
		uint16( 0 ) == 0x5a4d and ( all of ( $u* ) or ( 2 of ( $u* ) and 3 of ( $s* ) ) or 6 of ( $s* ) )
}