DITEKSHEN_MALWARE_Win_Aurora

rule DITEKSHEN_MALWARE_Win_Aurora : FILE
{
	meta:
		description = "Aurora ransomware payload"
		author = "ditekSHen"
		id = "d3eafe9c-c8d9-5744-ba5d-4eb0249cceea"
		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#L849-L869"
		license_url = "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
		logic_hash = "056bb11e8b947ef90462503db82b2001e4a5d4847fad9c0d5d771384a80d779a"
		score = 75
		quality = 75
		tags = "FILE"

	strings:
		$s1 = "Software\\Microsoft\\Windows\\CurrentVersion\\Run" fullword ascii wide
		$s2 = "#DECRYPT_MY_FILES#.txt" fullword ascii
		$s3 = "/gen.php?generate=" fullword ascii
		$s4 = "geoplugin.net/php.gp" ascii
		$s5 = "/end.php?id=" fullword ascii
		$s6 = "wotreplay" fullword ascii
		$s7 = "moneywell" fullword ascii
		$s8 = "{btc}" fullword ascii
		$s9 = ".?AV_Locimp@locale@std@@" ascii
		$s10 = ".?AV?$codecvt@DDU_Mbstatet@@@std@@" ascii
		$s11 = ".?AU_Crt_new_delete@std@@" ascii
		$pdb1 = "\\z0ddak\\Desktop\\source\\Release\\Ransom.pdb" ascii
		$pdb2 = "\\Desktop\\source\\Release\\Ransom.pdb" ascii

	condition:
		uint16( 0 ) == 0x5a4d and ( ( 1 of ( $pdb* ) and 5 of ( $s* ) ) or ( 8 of them ) )
}