Babuk | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA25687b9b910d5d5a053e3b39989cc6fd51601abdaea207a26c765f21f43a4cd4dcb
MD5c8579ccb6690e1f2102f9ba887c12f9e
File Typeexe
Size79.0 KB
First Seen2023-04-17
File Namee_win.bin
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: 87b9b910d5d5a053e3b39989cc6fd51601abdaea207a26c765f21f43a4cd4dcb
  • MD5: c8579ccb6690e1f2102f9ba887c12f9e

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: 87b9b910d5d5a053"
        threat_level = "high"
        first_seen = "2023-04-17"
    condition:
        hash.sha256(0, filesize) == "87b9b910d5d5a053e3b39989cc6fd51601abdaea207a26c765f21f43a4cd4dcb"
}

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 87b9b910d5d5a053e3b39989cc6fd51601abdaea207a26c765f21f43a4cd4dcb # MD5 c8579ccb6690e1f2102f9ba887c12f9e
TypeValueNote
sha256 87b9b910d5d5a053e3b39989cc6fd51601abdaea207a26c765f21f43a4cd4dcb Sample:Babuk
md5 c8579ccb6690e1f2102f9ba887c12f9e Sample:Babuk
Tags
babukransomwaremalwarehighsha256hash-analizi