Babuk | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256105af5c40c65f51979308e022c25dd285db3cd20e9656caaba0e9b1fc253898b
MD563b475e11b85f91942bcec10cc77bee9
File Typeexe
Size67.9 KB
First Seen2021-11-04
File Name105af5c40c65f51979308e022c25dd285db3cd20e9656caaba0e9b1fc253898b.bin
TagsBabuk, exe, Piton, 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: 105af5c40c65f51979308e022c25dd285db3cd20e9656caaba0e9b1fc253898b
  • MD5: 63b475e11b85f91942bcec10cc77bee9

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: 105af5c40c65f519"
        threat_level = "high"
        first_seen = "2021-11-04"
    condition:
        hash.sha256(0, filesize) == "105af5c40c65f51979308e022c25dd285db3cd20e9656caaba0e9b1fc253898b"
}

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 105af5c40c65f51979308e022c25dd285db3cd20e9656caaba0e9b1fc253898b # MD5 63b475e11b85f91942bcec10cc77bee9
TypeValueNote
sha256 105af5c40c65f51979308e022c25dd285db3cd20e9656caaba0e9b1fc253898b Sample:Babuk
md5 63b475e11b85f91942bcec10cc77bee9 Sample:Babuk
Tags
babukransomwaremalwarehighsha256hash-analizi