Babuk | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256d9d01bff3bf98b37793eb9d74e713cc340b7d9ad40d0c6437f422c41fca73364
MD520b61a16f732ba0646ff501f37ce4e4e
File Typeexe
Size834.0 KB
First Seen2022-09-24
File NameTrojan.Win32.Fsysna.gafh-d9d01bff3bf98b37793eb9d74e713cc340b7d9ad40d0c6437f422c41fca73364
TagsBabuk, exe, 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: d9d01bff3bf98b37793eb9d74e713cc340b7d9ad40d0c6437f422c41fca73364
  • MD5: 20b61a16f732ba0646ff501f37ce4e4e

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: d9d01bff3bf98b37"
        threat_level = "high"
        first_seen = "2022-09-24"
    condition:
        hash.sha256(0, filesize) == "d9d01bff3bf98b37793eb9d74e713cc340b7d9ad40d0c6437f422c41fca73364"
}

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 d9d01bff3bf98b37793eb9d74e713cc340b7d9ad40d0c6437f422c41fca73364 # MD5 20b61a16f732ba0646ff501f37ce4e4e
TypeValueNote
sha256 d9d01bff3bf98b37793eb9d74e713cc340b7d9ad40d0c6437f422c41fca73364 Sample:Babuk
md5 20b61a16f732ba0646ff501f37ce4e4e Sample:Babuk
Tags
babukransomwaremalwarehighsha256hash-analizi