Cuba | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256d3f847b27ee6cd4f85a3393131f85f28750761fd59dd2aac95d5a8fa235d46dd
MD5c711a836a577acf6a018c1c20d395eb1
File Typeexe
Size2596.5 KB
First Seen2024-02-15
File NameMFCLibrary7.dll
Tagscuba, exe, Ransomware

Malware Family: Cuba

Cuba, kritik altyapıyı hedefler.

TypeRansomware
Programming LanguageC++
Target PlatformWindows
C2 Protocol
PurposeKritik altyapı ransomware
First Seen Year2019
AliasesCOLDDRAW

Threat Indicators (IOC)

  • SHA256: d3f847b27ee6cd4f85a3393131f85f28750761fd59dd2aac95d5a8fa235d46dd
  • MD5: c711a836a577acf6a018c1c20d395eb1

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 Cuba_SHA256 {
    meta:
        description = "Cuba sample: d3f847b27ee6cd4f"
        threat_level = "high"
        first_seen = "2024-02-15"
    condition:
        hash.sha256(0, filesize) == "d3f847b27ee6cd4f85a3393131f85f28750761fd59dd2aac95d5a8fa235d46dd"
}

Cuba — Malware Profile

Cuba, kritik altyapıyı hedefler.

Malware Type
Ransomware
Programming Language
C++
C2 Protocol
Target Systems
Windows
Also Known As (AKA)
COLDDRAW

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 — Cuba
# SHA256 d3f847b27ee6cd4f85a3393131f85f28750761fd59dd2aac95d5a8fa235d46dd # MD5 c711a836a577acf6a018c1c20d395eb1
TypeValueNote
sha256 d3f847b27ee6cd4f85a3393131f85f28750761fd59dd2aac95d5a8fa235d46dd Sample:Cuba
md5 c711a836a577acf6a018c1c20d395eb1 Sample:Cuba
Tags
cubaransomwaremalwarehighsha256hash-analizi