Babuk | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA2561d28c4c85e241efbbe326051999b9a8e1d8eeb9a3322da5cb9a93c31c65bbb49
MD53556821dd4184777d340ace0d17d3a53
File Typeexe
Size458.5 KB
First Seen2021-12-24
File Name1d28c4c85e241efbbe326051999b9a8e1d8eeb9a3322da5cb9a93c31c65bbb49.bin
TagsBabuk, exe, injector, 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: 1d28c4c85e241efbbe326051999b9a8e1d8eeb9a3322da5cb9a93c31c65bbb49
  • MD5: 3556821dd4184777d340ace0d17d3a53

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: 1d28c4c85e241efb"
        threat_level = "high"
        first_seen = "2021-12-24"
    condition:
        hash.sha256(0, filesize) == "1d28c4c85e241efbbe326051999b9a8e1d8eeb9a3322da5cb9a93c31c65bbb49"
}

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 1d28c4c85e241efbbe326051999b9a8e1d8eeb9a3322da5cb9a93c31c65bbb49 # MD5 3556821dd4184777d340ace0d17d3a53
TypeValueNote
sha256 1d28c4c85e241efbbe326051999b9a8e1d8eeb9a3322da5cb9a93c31c65bbb49 Sample:Babuk
md5 3556821dd4184777d340ace0d17d3a53 Sample:Babuk
Tags
babukransomwaremalwarehighsha256hash-analizi