GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2566e083973105d0a691071e8b6061cf45ac134f4a5474905ff95bba9ac742081dc
MD59bb73cf00c0e62232b0614fd5a5cb2bc
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name6e083973105d0a691071e8b6061cf45ac134f4a5474905ff95bba9ac742081dc
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, en yaygın eski ransomware'dir.

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

Threat Indicators (IOC)

  • SHA256: 6e083973105d0a691071e8b6061cf45ac134f4a5474905ff95bba9ac742081dc
  • MD5: 9bb73cf00c0e62232b0614fd5a5cb2bc

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: 6e083973105d0a69"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "6e083973105d0a691071e8b6061cf45ac134f4a5474905ff95bba9ac742081dc"
}

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 6e083973105d0a691071e8b6061cf45ac134f4a5474905ff95bba9ac742081dc # MD5 9bb73cf00c0e62232b0614fd5a5cb2bc
TypeValueNote
sha256 6e083973105d0a691071e8b6061cf45ac134f4a5474905ff95bba9ac742081dc Sample:GandCrab
md5 9bb73cf00c0e62232b0614fd5a5cb2bc Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi