DITEKSHEN_MALWARE_Win_MB150

rule DITEKSHEN_MALWARE_Win_MB150 : FILE
{
	meta:
		description = "Detects MB150? Go ransomware"
		author = "ditekSHen"
		id = "9688974b-ccf9-59ea-bb31-e46c63f021bf"
		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#L7376-L7402"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "a07535fc53912ddde6a0bed187c21ecdb2701d317d7de0cbdd2db37071bc9a21"
		score = 75
		quality = 75
		tags = "FILE"

	strings:
		$x1 = /main\.evade_(clicks_count|cpu_count|disk_size|foreground_window|hostname|mac|printer|screen_size|system_memory|time_acceleration|tmp|utc)/ fullword ascii
		$x2 = /main\.sandbox_(hostname|mac_addresses)/ fullword ascii
		$x3 = "main.drop_ransom_note" fullword ascii
		$x4 = "main.ransom_amount" fullword ascii
		$x5 = "main.create_encryption_key" fullword ascii
		$x6 = "main.encrypt" fullword ascii
		$x7 = "main.encrypt_encryption_key" fullword ascii
		$x8 = "main.encrypt_file" fullword ascii
		$x9 = "main.ext_blacklist" fullword ascii
		$mac1 = "00:03:FF00:05:6900:0C:2900:16:3E00:1C:1400:1C:4200:50:56" ascii nocase
		$mac2 = "00-03-FF00-05-6900-0C-2900-16-3E00-1C-1400-1C-4200-50-56" ascii nocase
		$mac3 = "0003FF000569000C2900163E001C14001C42005056" ascii nocase
		$go = "Go build ID:" ascii
		$s1 = "main.MB150" ascii
		$s2 = "http://1.1.1.1" ascii
		$s3 = "your personnal ID" ascii
		$s4 = "ransom amount" ascii
		$s5 = "binance.com" ascii
		$s6 = "getmonero.org" ascii

	condition:
		uint16( 0 ) == 0x5a4d and ( 4 of ( $x* ) or ( $go and 4 of ( $s* ) ) or ( 1 of ( $mac* ) and ( 2 of ( $x* ) or 3 of ( $s* ) ) ) )
}