GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256464588c68b4f07a61071cbc24e9fd36d4739784e826417595fcd70f02c0bfe2a
MD5fee2e2343f77bd756fb0a20d5dfdb511
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Name464588c68b4f07a61071cbc24e9fd36d4739784e826417595fcd70f02c0bfe2a
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: 464588c68b4f07a61071cbc24e9fd36d4739784e826417595fcd70f02c0bfe2a
  • MD5: fee2e2343f77bd756fb0a20d5dfdb511

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: 464588c68b4f07a6"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "464588c68b4f07a61071cbc24e9fd36d4739784e826417595fcd70f02c0bfe2a"
}

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 464588c68b4f07a61071cbc24e9fd36d4739784e826417595fcd70f02c0bfe2a # MD5 fee2e2343f77bd756fb0a20d5dfdb511
TypeValueNote
sha256 464588c68b4f07a61071cbc24e9fd36d4739784e826417595fcd70f02c0bfe2a Sample:GandCrab
md5 fee2e2343f77bd756fb0a20d5dfdb511 Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi