Cuba | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA2561cad3cdcebd6668b3e5e10c4656be139cd5f179fbee0114592bf5d17f85ee9b2
MD5e75027e0a95589659aecc9544f97320b
File Typezip
Size366.8 KB
First Seen2022-03-08
File NameCuba_Sample (1).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: 1cad3cdcebd6668b3e5e10c4656be139cd5f179fbee0114592bf5d17f85ee9b2
  • MD5: e75027e0a95589659aecc9544f97320b

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: 1cad3cdcebd6668b"
        threat_level = "high"
        first_seen = "2022-03-08"
    condition:
        hash.sha256(0, filesize) == "1cad3cdcebd6668b3e5e10c4656be139cd5f179fbee0114592bf5d17f85ee9b2"
}

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 1cad3cdcebd6668b3e5e10c4656be139cd5f179fbee0114592bf5d17f85ee9b2 # MD5 e75027e0a95589659aecc9544f97320b
TypeValueNote
sha256 1cad3cdcebd6668b3e5e10c4656be139cd5f179fbee0114592bf5d17f85ee9b2 Sample:Cuba
md5 e75027e0a95589659aecc9544f97320b Sample:Cuba
Tags
cubaransomwaremalwarehighsha256hash-analizi