GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2564ad4cba67f5d0df41cc8b3078228fb64c7fd85759a91c2208eeb4edabcb166ff
MD5d2007be5904dc5bff56a3de8db34b280
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Name4ad4cba67f5d0df41cc8b3078228fb64c7fd85759a91c2208eeb4edabcb166ff
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 4ad4cba67f5d0df41cc8b3078228fb64c7fd85759a91c2208eeb4edabcb166ff
  • MD5: d2007be5904dc5bff56a3de8db34b280

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: 4ad4cba67f5d0df4"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "4ad4cba67f5d0df41cc8b3078228fb64c7fd85759a91c2208eeb4edabcb166ff"
}

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 4ad4cba67f5d0df41cc8b3078228fb64c7fd85759a91c2208eeb4edabcb166ff # MD5 d2007be5904dc5bff56a3de8db34b280
TypeValueNote
sha256 4ad4cba67f5d0df41cc8b3078228fb64c7fd85759a91c2208eeb4edabcb166ff Sample:GandCrab
md5 d2007be5904dc5bff56a3de8db34b280 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi