Babuk | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256c94a81fdf688d220827320e88cc0b89af8690142abe5c602131b6659297c7d24
MD575a6690d9a4a89bd0cf6ceebcffd3c41
File Typeexe
Size308.5 KB
First Seen2022-04-10
File Namec94a81fdf688d220827320e88cc0b89af8690142abe5c602131b6659297c7d24.exe
TagsBabuk, exe, ransomeware

Malware Family: Babuk

Babuk, ESXi'yi şifreler.

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

Threat Indicators (IOC)

  • SHA256: c94a81fdf688d220827320e88cc0b89af8690142abe5c602131b6659297c7d24
  • MD5: 75a6690d9a4a89bd0cf6ceebcffd3c41

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: c94a81fdf688d220"
        threat_level = "high"
        first_seen = "2022-04-10"
    condition:
        hash.sha256(0, filesize) == "c94a81fdf688d220827320e88cc0b89af8690142abe5c602131b6659297c7d24"
}

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 c94a81fdf688d220827320e88cc0b89af8690142abe5c602131b6659297c7d24 # MD5 75a6690d9a4a89bd0cf6ceebcffd3c41
TypeValueNote
sha256 c94a81fdf688d220827320e88cc0b89af8690142abe5c602131b6659297c7d24 Sample:Babuk
md5 75a6690d9a4a89bd0cf6ceebcffd3c41 Sample:Babuk
Tags
babukransomwaremalwarehighsha256hash-analizi