Babuk | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256c4282e9040cdc1df92b722568a8b4c42ce9f6533fed0bd34b7fdbae264947784
MD5024382eef9abab8edd804548f94b78fc
File Typeexe
Size79.0 KB
First Seen2021-04-20
File Namec4282e9040cdc1df92b722568a8b4c42ce9f6533fed0bd34b7fdbae264947784.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: c4282e9040cdc1df92b722568a8b4c42ce9f6533fed0bd34b7fdbae264947784
  • MD5: 024382eef9abab8edd804548f94b78fc

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: c4282e9040cdc1df"
        threat_level = "high"
        first_seen = "2021-04-20"
    condition:
        hash.sha256(0, filesize) == "c4282e9040cdc1df92b722568a8b4c42ce9f6533fed0bd34b7fdbae264947784"
}

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 c4282e9040cdc1df92b722568a8b4c42ce9f6533fed0bd34b7fdbae264947784 # MD5 024382eef9abab8edd804548f94b78fc
TypeValueNote
sha256 c4282e9040cdc1df92b722568a8b4c42ce9f6533fed0bd34b7fdbae264947784 Sample:Babuk
md5 024382eef9abab8edd804548f94b78fc Sample:Babuk
Tags
babukransomwaremalwarehighsha256hash-analizi