Babuk | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256a52267dc795a51404cbf2a7e8e7875929783bcc62abd6b7cfd1921c938cf2756
MD57540d846032fd69dcf7a863213e8befa
File Typeexe
Size78.5 KB
First Seen2021-11-04
File Namea52267dc795a51404cbf2a7e8e7875929783bcc62abd6b7cfd1921c938cf2756.bin
TagsBabuk, exe, Piton, 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: a52267dc795a51404cbf2a7e8e7875929783bcc62abd6b7cfd1921c938cf2756
  • MD5: 7540d846032fd69dcf7a863213e8befa

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: a52267dc795a5140"
        threat_level = "high"
        first_seen = "2021-11-04"
    condition:
        hash.sha256(0, filesize) == "a52267dc795a51404cbf2a7e8e7875929783bcc62abd6b7cfd1921c938cf2756"
}

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 a52267dc795a51404cbf2a7e8e7875929783bcc62abd6b7cfd1921c938cf2756 # MD5 7540d846032fd69dcf7a863213e8befa
TypeValueNote
sha256 a52267dc795a51404cbf2a7e8e7875929783bcc62abd6b7cfd1921c938cf2756 Sample:Babuk
md5 7540d846032fd69dcf7a863213e8befa Sample:Babuk
Tags
babukransomwaremalwarehighsha256hash-analizi