GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25643f1a3eaffe5ad2be8d1df5c85c338d441998e27077e22ea87f0528d4023a641
MD5ce87228a804d91206c3f699bddd13534
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name43f1a3eaffe5ad2be8d1df5c85c338d441998e27077e22ea87f0528d4023a641
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

TypeRansomware
Programming LanguageC
Target PlatformWindows
C2 ProtocolHTTP
PurposeMaaS ransomware
First Seen Year2018

Threat Indicators (IOC)

  • SHA256: 43f1a3eaffe5ad2be8d1df5c85c338d441998e27077e22ea87f0528d4023a641
  • MD5: ce87228a804d91206c3f699bddd13534

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 GandCrab_SHA256 {
    meta:
        description = "GandCrab sample: 43f1a3eaffe5ad2b"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "43f1a3eaffe5ad2be8d1df5c85c338d441998e27077e22ea87f0528d4023a641"
}

GandCrab — Malware Profile

GandCrab, 2018-2019 aktif RaaS ailesidir. 1.5 milyar USD hasar. RSA+Salsa20. Haziran 2019 kapandi. REvil oncusu.

Malware Type
Ransomware
Programming Language
C
C2 Protocol
HTTP
Target Systems
Windows

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 — GandCrab
# SHA256 43f1a3eaffe5ad2be8d1df5c85c338d441998e27077e22ea87f0528d4023a641 # MD5 ce87228a804d91206c3f699bddd13534
TypeValueNote
sha256 43f1a3eaffe5ad2be8d1df5c85c338d441998e27077e22ea87f0528d4023a641 Sample:GandCrab
md5 ce87228a804d91206c3f699bddd13534 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi