Babuk | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA2561f2edda243404918b78aa6123aa1fc5b18dd9506e4042c7a1547b565334527e1
MD5f0d4c7d334633a72a3c7bd722e12c378
File Typeexe
Size79.0 KB
First Seen2021-05-04
File Namee_win.exe
TagsBabuk, babyk, 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: 1f2edda243404918b78aa6123aa1fc5b18dd9506e4042c7a1547b565334527e1
  • MD5: f0d4c7d334633a72a3c7bd722e12c378

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: 1f2edda243404918"
        threat_level = "high"
        first_seen = "2021-05-04"
    condition:
        hash.sha256(0, filesize) == "1f2edda243404918b78aa6123aa1fc5b18dd9506e4042c7a1547b565334527e1"
}

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 1f2edda243404918b78aa6123aa1fc5b18dd9506e4042c7a1547b565334527e1 # MD5 f0d4c7d334633a72a3c7bd722e12c378
TypeValueNote
sha256 1f2edda243404918b78aa6123aa1fc5b18dd9506e4042c7a1547b565334527e1 Sample:Babuk
md5 f0d4c7d334633a72a3c7bd722e12c378 Sample:Babuk
Tags
babukransomwaremalwarehighsha256hash-analizi