DITEKSHEN_MALWARE_Win_Cratpluginclipboardmonitor

rule DITEKSHEN_MALWARE_Win_Cratpluginclipboardmonitor : FILE
{
	meta:
		description = "Detects CRAT Clipboad Monitor plugin DLL"
		author = "ditekSHen"
		id = "587487c7-f00b-5d4a-8b18-e46d6c6560e2"
		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#L1964-L1979"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "c3e692a06388e143a8e1053e75a6eb6a82da5bdf26d38e3a0e339bc20d8312a1"
		score = 75
		quality = 75
		tags = "FILE"

	strings:
		$ai1 = "VM detected!" fullword wide
		$ai2 = "Sandbox detected!" fullword wide
		$ai3 = "Debug detected!" fullword wide
		$ai4 = "Analysis process detected!" fullword wide
		$s1 = "Clipboard Monitor Mutex [%s] already created!" wide
		$s2 = "ClipboardMonitorThread started!" fullword wide
		$s3 = /MonitorClipboardThread\s(finished|terminated)!/ wide
		$s4 = /ClipboardMonitor_(x64|x32|Win64|Win32)_DllRelease\.dll/ fullword ascii

	condition:
		uint16( 0 ) == 0x5a4d and ( ( all of ( $ai* ) and 1 of ( $s* ) ) or ( 3 of ( $s* ) and 1 of ( $ai* ) ) or 5 of them )
}