Babuk | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA25681e7942a1f32fb18e37cf622c5a24b7c54c4792549363fddf9a3a9095a07f23e
MD56bb2471eadf06c5569d59b7c59032119
File Typeexe
Size68.5 KB
First Seen2021-03-24
File Namedecryptor.exe
TagsBabuk, babyk, Decryptor, 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: 81e7942a1f32fb18e37cf622c5a24b7c54c4792549363fddf9a3a9095a07f23e
  • MD5: 6bb2471eadf06c5569d59b7c59032119

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: 81e7942a1f32fb18"
        threat_level = "high"
        first_seen = "2021-03-24"
    condition:
        hash.sha256(0, filesize) == "81e7942a1f32fb18e37cf622c5a24b7c54c4792549363fddf9a3a9095a07f23e"
}

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 81e7942a1f32fb18e37cf622c5a24b7c54c4792549363fddf9a3a9095a07f23e # MD5 6bb2471eadf06c5569d59b7c59032119
TypeValueNote
sha256 81e7942a1f32fb18e37cf622c5a24b7c54c4792549363fddf9a3a9095a07f23e Sample:Babuk
md5 6bb2471eadf06c5569d59b7c59032119 Sample:Babuk
Tags
babukransomwaremalwarehighsha256hash-analizi