Babuk | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA25684b9d55a0e240587fc7d4be0d73ca623d1e1b126b963df2b5e3c71d73818c5fd
MD5c5a954205e76a29ede66cde99baaec6f
File Typeexe
Size798.0 KB
First Seen2023-03-06
File Namec5a954205e76a29ede66cde99baaec6f.exe
TagsBabuk, exe

Malware Family: Babuk

Babuk, ESXi'yi şifreler.

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

Threat Indicators (IOC)

  • SHA256: 84b9d55a0e240587fc7d4be0d73ca623d1e1b126b963df2b5e3c71d73818c5fd
  • MD5: c5a954205e76a29ede66cde99baaec6f

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: 84b9d55a0e240587"
        threat_level = "high"
        first_seen = "2023-03-06"
    condition:
        hash.sha256(0, filesize) == "84b9d55a0e240587fc7d4be0d73ca623d1e1b126b963df2b5e3c71d73818c5fd"
}

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 84b9d55a0e240587fc7d4be0d73ca623d1e1b126b963df2b5e3c71d73818c5fd # MD5 c5a954205e76a29ede66cde99baaec6f
TypeValueNote
sha256 84b9d55a0e240587fc7d4be0d73ca623d1e1b126b963df2b5e3c71d73818c5fd Sample:Babuk
md5 c5a954205e76a29ede66cde99baaec6f Sample:Babuk
Tags
babukransomwaremalwarehighsha256hash-analizi