Babuk | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA2562138c8a34a1eff40ba3fc81b6e3b7564c6b695b140e82f3fcf23b2ec2bf291cf
MD5f6282c938e0662cf851feee0146d79a4
File Typeexe
Size79.0 KB
First Seen2021-03-30
File Name2138c8a34a1eff40ba3fc81b6e3b7564c6b695b140e82f3fcf23b2ec2bf291cf.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: 2138c8a34a1eff40ba3fc81b6e3b7564c6b695b140e82f3fcf23b2ec2bf291cf
  • MD5: f6282c938e0662cf851feee0146d79a4

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: 2138c8a34a1eff40"
        threat_level = "high"
        first_seen = "2021-03-30"
    condition:
        hash.sha256(0, filesize) == "2138c8a34a1eff40ba3fc81b6e3b7564c6b695b140e82f3fcf23b2ec2bf291cf"
}

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 2138c8a34a1eff40ba3fc81b6e3b7564c6b695b140e82f3fcf23b2ec2bf291cf # MD5 f6282c938e0662cf851feee0146d79a4
TypeValueNote
sha256 2138c8a34a1eff40ba3fc81b6e3b7564c6b695b140e82f3fcf23b2ec2bf291cf Sample:Babuk
md5 f6282c938e0662cf851feee0146d79a4 Sample:Babuk
Tags
babukransomwaremalwarehighsha256hash-analizi