Babuk | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256245e191bfe998ad9ef2d6b169af22f3c290e9950234f8ddd0f4a03cb3eebf761
MD5a499f810c2e52fe9f8adcd5817b2d985
File Typeexe
Size79.0 KB
First Seen2021-11-07
File Namea499f810c2e52fe9f8adcd5817b2d985
Tags32, Babuk, 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: 245e191bfe998ad9ef2d6b169af22f3c290e9950234f8ddd0f4a03cb3eebf761
  • MD5: a499f810c2e52fe9f8adcd5817b2d985

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: 245e191bfe998ad9"
        threat_level = "high"
        first_seen = "2021-11-07"
    condition:
        hash.sha256(0, filesize) == "245e191bfe998ad9ef2d6b169af22f3c290e9950234f8ddd0f4a03cb3eebf761"
}

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 245e191bfe998ad9ef2d6b169af22f3c290e9950234f8ddd0f4a03cb3eebf761 # MD5 a499f810c2e52fe9f8adcd5817b2d985
TypeValueNote
sha256 245e191bfe998ad9ef2d6b169af22f3c290e9950234f8ddd0f4a03cb3eebf761 Sample:Babuk
md5 a499f810c2e52fe9f8adcd5817b2d985 Sample:Babuk
Tags
babukransomwaremalwarehighsha256hash-analizi