DITEKSHEN_MALWARE_Win_S05Kitty

rule DITEKSHEN_MALWARE_Win_S05Kitty : FILE
{
	meta:
		description = "Sector05 Kitty RAT payload"
		author = "ditekSHen"
		id = "3261f6b6-21e7-5195-98db-9607ba530572"
		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#L1024-L1045"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "df2930694671c9ca16f2afeb799704647c9acf32be118706c342347ffe8ceb36"
		score = 75
		quality = 75
		tags = "FILE"

	strings:
		$s1 = "Execute Comand" ascii
		$s2 = "InjectExplorer" ascii
		$s3 = "targetProcess = %s" fullword ascii
		$s4 = "Process attach (%s)" fullword ascii
		$s5 = "process name: %s" fullword ascii
		$s6 = "cmd /c %s >%s" fullword ascii
		$s7 = "CmdDown: %s, failed" fullword ascii
		$s8 = "http://%s%s/%s" fullword ascii
		$s9 = "tmp.LOG" fullword ascii
		$x1 = "zerodll.dll" fullword ascii
		$x2 = "OneDll.dll" fullword ascii
		$x3 = "kkd.bat" fullword ascii
		$x4 = "%s\\regsvr32.exe /s \"%s\"" fullword ascii
		$x5 = "\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\fontchk.jse" fullword ascii

	condition:
		uint16( 0 ) == 0x5a4d and ( 8 of ( $s* ) or all of ( $x* ) )
}