Babuk | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA2566bfaba7f6d10242872a5616340c1e6beba3b2d285d59ed79b63272ea1f2c968e
MD591ba842bf6b70e34b3c1a2dcc3834a4e
File Typeexe
Size933.5 KB
First Seen2023-03-07
File Name91ba842bf6b70e34b3c1a2dcc3834a4e.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: 6bfaba7f6d10242872a5616340c1e6beba3b2d285d59ed79b63272ea1f2c968e
  • MD5: 91ba842bf6b70e34b3c1a2dcc3834a4e

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: 6bfaba7f6d102428"
        threat_level = "high"
        first_seen = "2023-03-07"
    condition:
        hash.sha256(0, filesize) == "6bfaba7f6d10242872a5616340c1e6beba3b2d285d59ed79b63272ea1f2c968e"
}

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 6bfaba7f6d10242872a5616340c1e6beba3b2d285d59ed79b63272ea1f2c968e # MD5 91ba842bf6b70e34b3c1a2dcc3834a4e
TypeValueNote
sha256 6bfaba7f6d10242872a5616340c1e6beba3b2d285d59ed79b63272ea1f2c968e Sample:Babuk
md5 91ba842bf6b70e34b3c1a2dcc3834a4e Sample:Babuk
Tags
babukransomwaremalwarehighsha256hash-analizi