Cuba | Threat Level: high | Type: Ransomware

Cryptographic Identifiers

SHA25651c652eac92fe9ce5c22cdd20212523b2bc9c8381d5bb5a46cc55bfa280191d5
MD577a5260ef8df6a05cdcc87f775786d03
File Typezip
Size475.8 KB
First Seen2022-03-08
File NameCuba_Sample (5).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: 51c652eac92fe9ce5c22cdd20212523b2bc9c8381d5bb5a46cc55bfa280191d5
  • MD5: 77a5260ef8df6a05cdcc87f775786d03

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: 51c652eac92fe9ce"
        threat_level = "high"
        first_seen = "2022-03-08"
    condition:
        hash.sha256(0, filesize) == "51c652eac92fe9ce5c22cdd20212523b2bc9c8381d5bb5a46cc55bfa280191d5"
}

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 51c652eac92fe9ce5c22cdd20212523b2bc9c8381d5bb5a46cc55bfa280191d5 # MD5 77a5260ef8df6a05cdcc87f775786d03
TypeValueNote
sha256 51c652eac92fe9ce5c22cdd20212523b2bc9c8381d5bb5a46cc55bfa280191d5 Sample:Cuba
md5 77a5260ef8df6a05cdcc87f775786d03 Sample:Cuba
Tags
cubaransomwaremalwarehighsha256hash-analizi