GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25658e4d89a82f3a18834a4d05b04b468c47c1f19e3132ac7c3394117d0a5b688a0
MD5ff0669684de1146e92dddf8cc866b1fa
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name58e4d89a82f3a18834a4d05b04b468c47c1f19e3132ac7c3394117d0a5b688a0
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: 58e4d89a82f3a18834a4d05b04b468c47c1f19e3132ac7c3394117d0a5b688a0
  • MD5: ff0669684de1146e92dddf8cc866b1fa

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: 58e4d89a82f3a188"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "58e4d89a82f3a18834a4d05b04b468c47c1f19e3132ac7c3394117d0a5b688a0"
}

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 58e4d89a82f3a18834a4d05b04b468c47c1f19e3132ac7c3394117d0a5b688a0 # MD5 ff0669684de1146e92dddf8cc866b1fa
TypeValueNote
sha256 58e4d89a82f3a18834a4d05b04b468c47c1f19e3132ac7c3394117d0a5b688a0 Sample:GandCrab
md5 ff0669684de1146e92dddf8cc866b1fa Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi