Cuba | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA256936119bc1811aeef01299a0150141787865a0dbe2667288f018ad24db5a7bc27
MD5c0451fd7921342e0d2fbf682091d4280
File Typeexe
Size145.0 KB
First Seen2021-12-24
File Name936119bc1811aeef01299a0150141787865a0dbe2667288f018ad24db5a7bc27.bin
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: 936119bc1811aeef01299a0150141787865a0dbe2667288f018ad24db5a7bc27
  • MD5: c0451fd7921342e0d2fbf682091d4280

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: 936119bc1811aeef"
        threat_level = "high"
        first_seen = "2021-12-24"
    condition:
        hash.sha256(0, filesize) == "936119bc1811aeef01299a0150141787865a0dbe2667288f018ad24db5a7bc27"
}

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 936119bc1811aeef01299a0150141787865a0dbe2667288f018ad24db5a7bc27 # MD5 c0451fd7921342e0d2fbf682091d4280
TypeValueNote
sha256 936119bc1811aeef01299a0150141787865a0dbe2667288f018ad24db5a7bc27 Sample:Cuba
md5 c0451fd7921342e0d2fbf682091d4280 Sample:Cuba
Tags
cubaransomwaremalwarehighsha256hash-analizi