Babuk | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA25658ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053
MD567e49cfcd12103b5ef2f9f331f092dbe
File Typeexe
Size29.5 KB
First Seen2021-01-28
File Nameserco.exe
TagsBabuk, 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: 58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053
  • MD5: 67e49cfcd12103b5ef2f9f331f092dbe

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: 58ccba4fb2b3ed8b"
        threat_level = "high"
        first_seen = "2021-01-28"
    condition:
        hash.sha256(0, filesize) == "58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053"
}

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 58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053 # MD5 67e49cfcd12103b5ef2f9f331f092dbe
TypeValueNote
sha256 58ccba4fb2b3ed8b5f92adddd6ee331a6afdedfc755145e0432a7cb324c28053 Sample:Babuk
md5 67e49cfcd12103b5ef2f9f331f092dbe Sample:Babuk
Tags
babukransomwaremalwarehighsha256hash-analizi