Babuk | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256499e43933c5ee3bb730417e07d74c93a5f7d7dee05db31714e09dffeb7e3c285
MD509700ac925ff3e33ac038770d57a5365
File Typeexe
Size75.0 KB
First Seen2021-02-28
File Name499e43933c5ee3bb730417e07d74c93a5f7d7dee05db31714e09dffeb7e3c285
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: 499e43933c5ee3bb730417e07d74c93a5f7d7dee05db31714e09dffeb7e3c285
  • MD5: 09700ac925ff3e33ac038770d57a5365

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: 499e43933c5ee3bb"
        threat_level = "high"
        first_seen = "2021-02-28"
    condition:
        hash.sha256(0, filesize) == "499e43933c5ee3bb730417e07d74c93a5f7d7dee05db31714e09dffeb7e3c285"
}

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 499e43933c5ee3bb730417e07d74c93a5f7d7dee05db31714e09dffeb7e3c285 # MD5 09700ac925ff3e33ac038770d57a5365
TypeValueNote
sha256 499e43933c5ee3bb730417e07d74c93a5f7d7dee05db31714e09dffeb7e3c285 Sample:Babuk
md5 09700ac925ff3e33ac038770d57a5365 Sample:Babuk
Tags
babukransomwaremalwarehighsha256hash-analizi