Babuk | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA25677c7839c7e8d4aaf52e33a2f29db8459381b5cc3b2700072305a8bae5e0762a9
MD5a01ed3bd71c276f4f0607f374fe3322a
File Typeexe
Size79.0 KB
First Seen2021-11-04
File Name77c7839c7e8d4aaf52e33a2f29db8459381b5cc3b2700072305a8bae5e0762a9.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: 77c7839c7e8d4aaf52e33a2f29db8459381b5cc3b2700072305a8bae5e0762a9
  • MD5: a01ed3bd71c276f4f0607f374fe3322a

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: 77c7839c7e8d4aaf"
        threat_level = "high"
        first_seen = "2021-11-04"
    condition:
        hash.sha256(0, filesize) == "77c7839c7e8d4aaf52e33a2f29db8459381b5cc3b2700072305a8bae5e0762a9"
}

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 77c7839c7e8d4aaf52e33a2f29db8459381b5cc3b2700072305a8bae5e0762a9 # MD5 a01ed3bd71c276f4f0607f374fe3322a
TypeValueNote
sha256 77c7839c7e8d4aaf52e33a2f29db8459381b5cc3b2700072305a8bae5e0762a9 Sample:Babuk
md5 a01ed3bd71c276f4f0607f374fe3322a Sample:Babuk
Tags
babukransomwaremalwarehighsha256hash-analizi