Babuk | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256391cfcd153881743556f76de7bbca5b19857f8b69a6f6f6dfde6fd9b06c17f5e
MD598b04a1cfdf18674315ec137733553a7
File Typeexe
Size75.0 KB
First Seen2021-02-22
File Name391cfcd153881743556f76de7bbca5b19857f8b69a6f6f6dfde6fd9b06c17f5e
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: 391cfcd153881743556f76de7bbca5b19857f8b69a6f6f6dfde6fd9b06c17f5e
  • MD5: 98b04a1cfdf18674315ec137733553a7

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: 391cfcd153881743"
        threat_level = "high"
        first_seen = "2021-02-22"
    condition:
        hash.sha256(0, filesize) == "391cfcd153881743556f76de7bbca5b19857f8b69a6f6f6dfde6fd9b06c17f5e"
}

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 391cfcd153881743556f76de7bbca5b19857f8b69a6f6f6dfde6fd9b06c17f5e # MD5 98b04a1cfdf18674315ec137733553a7
TypeValueNote
sha256 391cfcd153881743556f76de7bbca5b19857f8b69a6f6f6dfde6fd9b06c17f5e Sample:Babuk
md5 98b04a1cfdf18674315ec137733553a7 Sample:Babuk
Tags
babukransomwaremalwarehighsha256hash-analizi