DITEKSHEN_MALWARE_Win_Dlinjector02

rule DITEKSHEN_MALWARE_Win_Dlinjector02 : FILE
{
	meta:
		description = "Detects downloader injector"
		author = "ditekSHen"
		id = "ce2c418d-18e4-579c-9828-94e294385846"
		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#L6017-L6034"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "76d185cfcbc7f4996c2fb5c7c1ba4eb20b32d322d8ff47594283a4ca3e573a0b"
		score = 75
		quality = 75
		tags = "FILE"

	strings:
		$x1 = "In$J$ct0r" fullword wide
		$x2 = "%InJ%ector%" fullword wide
		$a1 = "WriteProcessMemory" fullword wide
		$a2 = "URLDownloadToFileA" fullword ascii
		$a3 = "Wow64SetThreadContext" fullword wide
		$a4 = "VirtualAllocEx" fullword wide
		$s1 = "RunPE" fullword wide
		$s2 = "SETTINGS" fullword wide
		$s3 = "net.pipe" fullword wide
		$s4 = "vsmacros" fullword wide

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