Babuk | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256b4ecf72fa4af827c32bbc16c05597dbc1216c2fb0b9c2fdff757300e9ab20cef
MD5d770a6e5deefa6b0b33e8b88173d1dfd
File Typeexe
Size77.0 KB
First Seen2022-10-12
File Nameb4ecf72fa4af827c32bbc16c05597dbc1216c2fb0b9c2fdff757300e9ab20cef
TagsBabuk

Malware Family: Babuk

Babuk, ESXi'yi şifreler.

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

Threat Indicators (IOC)

  • SHA256: b4ecf72fa4af827c32bbc16c05597dbc1216c2fb0b9c2fdff757300e9ab20cef
  • MD5: d770a6e5deefa6b0b33e8b88173d1dfd

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: b4ecf72fa4af827c"
        threat_level = "high"
        first_seen = "2022-10-12"
    condition:
        hash.sha256(0, filesize) == "b4ecf72fa4af827c32bbc16c05597dbc1216c2fb0b9c2fdff757300e9ab20cef"
}

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 b4ecf72fa4af827c32bbc16c05597dbc1216c2fb0b9c2fdff757300e9ab20cef # MD5 d770a6e5deefa6b0b33e8b88173d1dfd
TypeValueNote
sha256 b4ecf72fa4af827c32bbc16c05597dbc1216c2fb0b9c2fdff757300e9ab20cef Sample:Babuk
md5 d770a6e5deefa6b0b33e8b88173d1dfd Sample:Babuk
Tags
babukransomwaremalwarehighsha256hash-analizi