Babuk | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256bcb5833e9b9ff99e6d2001552ad663f511bc57af02ca6ecacb188130fd8d753f
MD5f981ee633618dc55b84fd91eaa2e75ab
File Typeexe
Size809.5 KB
First Seen2023-03-07
File Namef981ee633618dc55b84fd91eaa2e75ab.exe
TagsBabuk, exe

Malware Family: Babuk

Babuk, ESXi'yi şifreler.

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

Threat Indicators (IOC)

  • SHA256: bcb5833e9b9ff99e6d2001552ad663f511bc57af02ca6ecacb188130fd8d753f
  • MD5: f981ee633618dc55b84fd91eaa2e75ab

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: bcb5833e9b9ff99e"
        threat_level = "high"
        first_seen = "2023-03-07"
    condition:
        hash.sha256(0, filesize) == "bcb5833e9b9ff99e6d2001552ad663f511bc57af02ca6ecacb188130fd8d753f"
}

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 bcb5833e9b9ff99e6d2001552ad663f511bc57af02ca6ecacb188130fd8d753f # MD5 f981ee633618dc55b84fd91eaa2e75ab
TypeValueNote
sha256 bcb5833e9b9ff99e6d2001552ad663f511bc57af02ca6ecacb188130fd8d753f Sample:Babuk
md5 f981ee633618dc55b84fd91eaa2e75ab Sample:Babuk
Tags
babukransomwaremalwarehighsha256hash-analizi