Cuba | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256e1150b9bca30b2eca8580636f763619b612a0e046e5dfcd5ad352d01af33e85c
MD535f842275a6aa4c81c07ec849d4dc249
File Typezip
Size504.3 KB
First Seen2022-03-08
File NameCuba_Sample (8).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: e1150b9bca30b2eca8580636f763619b612a0e046e5dfcd5ad352d01af33e85c
  • MD5: 35f842275a6aa4c81c07ec849d4dc249

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: e1150b9bca30b2ec"
        threat_level = "high"
        first_seen = "2022-03-08"
    condition:
        hash.sha256(0, filesize) == "e1150b9bca30b2eca8580636f763619b612a0e046e5dfcd5ad352d01af33e85c"
}

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 e1150b9bca30b2eca8580636f763619b612a0e046e5dfcd5ad352d01af33e85c # MD5 35f842275a6aa4c81c07ec849d4dc249
TypeValueNote
sha256 e1150b9bca30b2eca8580636f763619b612a0e046e5dfcd5ad352d01af33e85c Sample:Cuba
md5 35f842275a6aa4c81c07ec849d4dc249 Sample:Cuba
Tags
cubaransomwaremalwarehighsha256hash-analizi