Babuk | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256341061776f03453e20f9e7eb3d91ff7b7842ec1322aab5d0dae4fba7c3d89eef
MD564663d5f6fbced123ffc6a2e7b6255bd
File Typeexe
Size22.8 KB
First Seen2021-12-24
File Name341061776f03453e20f9e7eb3d91ff7b7842ec1322aab5d0dae4fba7c3d89eef.bin
TagsBabuk, exe, Loader, Ransomware

Malware Family: Babuk

Babuk, ESXi'yi şifreler.

TypeRansomware
Programming LanguageC++
Target PlatformWindows/Linux
C2 Protocol
PurposeESXi şifreleme
First Seen Year2021

Threat Indicators (IOC)

  • SHA256: 341061776f03453e20f9e7eb3d91ff7b7842ec1322aab5d0dae4fba7c3d89eef
  • MD5: 64663d5f6fbced123ffc6a2e7b6255bd

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. Do not pay the ransom — there is no guarantee your files will be restored
  3. Quarantine the affected drives
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. Try available decryptor tools (the NoMoreRansom project)
  6. Report the incident to the authorities (cybercrime unit)
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

YARA Rule Hints

rule Babuk_SHA256 {
    meta:
        description = "Babuk sample: 341061776f03453e"
        threat_level = "high"
        first_seen = "2021-12-24"
    condition:
        hash.sha256(0, filesize) == "341061776f03453e20f9e7eb3d91ff7b7842ec1322aab5d0dae4fba7c3d89eef"
}

Babuk — Malware Profile

Babuk, 2021 aktif .NET tabanlı ransomware ailesidir. Kaynak kodu sızdırılmış. ESXi ve Windows versiyonları.

Malware Type
Ransomware
Programming Language
C++
C2 Protocol
Target Systems
Windows/Linux

Capabilities & Behavior

Dosya Şifreleme (AES/RSA)
Gölge Kopya Silme
Yedek Kaldırma
Fidye Notu Oluşturma
Kalıcılık Sağlama
Ağ Paylaşımı Şifreleme
Anti-Analiz Teknikleri
Çift Gasp (Data Leak)

IOC List (2 indicators)

IOC — Babuk
# SHA256 341061776f03453e20f9e7eb3d91ff7b7842ec1322aab5d0dae4fba7c3d89eef # MD5 64663d5f6fbced123ffc6a2e7b6255bd
TypeValueNote
sha256 341061776f03453e20f9e7eb3d91ff7b7842ec1322aab5d0dae4fba7c3d89eef Sample:Babuk
md5 64663d5f6fbced123ffc6a2e7b6255bd Sample:Babuk
Tags
babukransomwaremalwarehighsha256hash-analizi