Babuk | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA2566103e26f6f9d5fd895d9c06e1f5e141ce74d8ebda999cda6a58a4393de5ed094
MD5cafe07d8c34108007372bd8df42d9ef9
File Typeexe
Size79.0 KB
First Seen2021-04-30
File Nameplast.exe
TagsBabuk, babyk, 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: 6103e26f6f9d5fd895d9c06e1f5e141ce74d8ebda999cda6a58a4393de5ed094
  • MD5: cafe07d8c34108007372bd8df42d9ef9

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: 6103e26f6f9d5fd8"
        threat_level = "high"
        first_seen = "2021-04-30"
    condition:
        hash.sha256(0, filesize) == "6103e26f6f9d5fd895d9c06e1f5e141ce74d8ebda999cda6a58a4393de5ed094"
}

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 6103e26f6f9d5fd895d9c06e1f5e141ce74d8ebda999cda6a58a4393de5ed094 # MD5 cafe07d8c34108007372bd8df42d9ef9
TypeValueNote
sha256 6103e26f6f9d5fd895d9c06e1f5e141ce74d8ebda999cda6a58a4393de5ed094 Sample:Babuk
md5 cafe07d8c34108007372bd8df42d9ef9 Sample:Babuk
Tags
babukransomwaremalwarehighsha256hash-analizi