GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256c5fa00a8fafafd812d1e802a30b473f9db127ea4ae5f018ec4bd9752390c2d95
MD5eb082e49b26bb9aa281a3ccc27a84194
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namec5fa00a8fafafd812d1e802a30b473f9db127ea4ae5f018ec4bd9752390c2d95
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: c5fa00a8fafafd812d1e802a30b473f9db127ea4ae5f018ec4bd9752390c2d95
  • MD5: eb082e49b26bb9aa281a3ccc27a84194

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: c5fa00a8fafafd81"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "c5fa00a8fafafd812d1e802a30b473f9db127ea4ae5f018ec4bd9752390c2d95"
}

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 c5fa00a8fafafd812d1e802a30b473f9db127ea4ae5f018ec4bd9752390c2d95 # MD5 eb082e49b26bb9aa281a3ccc27a84194
TypeValueNote
sha256 c5fa00a8fafafd812d1e802a30b473f9db127ea4ae5f018ec4bd9752390c2d95 Sample:GandCrab
md5 eb082e49b26bb9aa281a3ccc27a84194 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi