Cuba | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256c45d7d27cb6977f929410fae37b4da38dfd14abcab36f0433f3cf1c3668144fa
MD5ef5288de2df2314f0e2fed395351ed25
File Typezip
Size507.3 KB
First Seen2022-03-08
File NameCuba_Sample (9).zip
Tagscuba, Ransomware, zip

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: c45d7d27cb6977f929410fae37b4da38dfd14abcab36f0433f3cf1c3668144fa
  • MD5: ef5288de2df2314f0e2fed395351ed25

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: c45d7d27cb6977f9"
        threat_level = "high"
        first_seen = "2022-03-08"
    condition:
        hash.sha256(0, filesize) == "c45d7d27cb6977f929410fae37b4da38dfd14abcab36f0433f3cf1c3668144fa"
}

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 c45d7d27cb6977f929410fae37b4da38dfd14abcab36f0433f3cf1c3668144fa # MD5 ef5288de2df2314f0e2fed395351ed25
TypeValueNote
sha256 c45d7d27cb6977f929410fae37b4da38dfd14abcab36f0433f3cf1c3668144fa Sample:Cuba
md5 ef5288de2df2314f0e2fed395351ed25 Sample:Cuba
Tags
cubaransomwaremalwarehighsha256hash-analizi