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Babuk Locker Ransomware Sample Download

Babuk Locker Ransomware Sample Download
Babuk Locker Ransomware uses its own implementation of SHA256 hashing, ChaCha8 encryption, and Elliptic-curve Diffie–Hellman (ECDH) key generation and exchange algorithm to encrypt victim files and protection of the encryption keys. Its a straight forward ransomware with no obfuscations and uses multi-threading encryption as well as exploiting the Windows Restart Manager similar to Conti Ransomware and REvil. .__NIST_K571__ is added to encrypted files.

It ask user to contact them at their TOR for ransom demands and get the files back. The attackers usually demands from $60,000 to $85,000 in Bitcoins.

TOR Site Link

http://babukq4e2p4wu4iq.onion/login.php?id=8M60J4vCbbkKgM6QnA07E9qpkn0Qk7
babuk locker ransomware

Babuk Locker Ransomware Signatures

Family: Ransom:Win32/BabukLocker.MK!MTB
MD5: e10713a4a5f635767dcd54d609bed977
SHA256: 8203c2f00ecd3ae960cb3247a7d7bfb35e55c38939607c85dbdb5c92f0495fa9

Babuk Locker Ransomware Download

Download Babuk Locker Ransomware Sample

Babuk Locker Ransomware YARA Rule

rule Babuk{
meta:
	description = "YARA rule for Babuk Ransomware"
	reference = "http://chuongdong.com/reverse%20engineering/2021/01/03/BabukRansomware/"
	author = "@cPeterr"
	date = "2021-01-03"
	rule_version = "v1"
	malware_type = "ransomware"
	tlp = "white"
strings:
	$lanstr1 = "-lanfirst"
	$lanstr2 = "-lansecond"
	$lanstr3 = "-nolan"
	$str1 = "BABUK LOCKER"
	$str2 = ".__NIST_K571__" wide
	$str3 = "How To Restore Your Files.txt" wide
	$str4 = "ecdh_pub_k.bin" wide
condition:
	all of ($str*) and all of ($lanstr*)
}
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