Babuk | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA25609175b12be9491968e6d9f8878a634156075da518a31f416956fbd0c50fa36d0
MD56d40aede935885aa1023a1fe77570d7a
File Typeexe
Size42.5 KB
First Seen2025-08-03
File Named.exe
TagsBabuk, exe, 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: 09175b12be9491968e6d9f8878a634156075da518a31f416956fbd0c50fa36d0
  • MD5: 6d40aede935885aa1023a1fe77570d7a

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: 09175b12be949196"
        threat_level = "high"
        first_seen = "2025-08-03"
    condition:
        hash.sha256(0, filesize) == "09175b12be9491968e6d9f8878a634156075da518a31f416956fbd0c50fa36d0"
}

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 09175b12be9491968e6d9f8878a634156075da518a31f416956fbd0c50fa36d0 # MD5 6d40aede935885aa1023a1fe77570d7a
TypeValueNote
sha256 09175b12be9491968e6d9f8878a634156075da518a31f416956fbd0c50fa36d0 Sample:Babuk
md5 6d40aede935885aa1023a1fe77570d7a Sample:Babuk
Tags
babukransomwaremalwarehighsha256hash-analizi