Babuk | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256678bfbf5d73d6cf38532e11b11dbed17668d94711e2e2ea27311dd46490201b7
MD5ebe7bf69eceb80d155d7a16b8c61e15c
File Typeexe
Size79.0 KB
First Seen2021-04-27
File Namee_win.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: 678bfbf5d73d6cf38532e11b11dbed17668d94711e2e2ea27311dd46490201b7
  • MD5: ebe7bf69eceb80d155d7a16b8c61e15c

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: 678bfbf5d73d6cf3"
        threat_level = "high"
        first_seen = "2021-04-27"
    condition:
        hash.sha256(0, filesize) == "678bfbf5d73d6cf38532e11b11dbed17668d94711e2e2ea27311dd46490201b7"
}

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 678bfbf5d73d6cf38532e11b11dbed17668d94711e2e2ea27311dd46490201b7 # MD5 ebe7bf69eceb80d155d7a16b8c61e15c
TypeValueNote
sha256 678bfbf5d73d6cf38532e11b11dbed17668d94711e2e2ea27311dd46490201b7 Sample:Babuk
md5 ebe7bf69eceb80d155d7a16b8c61e15c Sample:Babuk
Tags
babukransomwaremalwarehighsha256hash-analizi