GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA25671b8a82a36b3603f88dbedeab86c38eb28a10b4340bc0c4d56d5ffc9e5f5a035
MD5b8d1375bc6eb346a219b3a1ed4775d8b
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name71b8a82a36b3603f88dbedeab86c38eb28a10b4340bc0c4d56d5ffc9e5f5a035
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 71b8a82a36b3603f88dbedeab86c38eb28a10b4340bc0c4d56d5ffc9e5f5a035
  • MD5: b8d1375bc6eb346a219b3a1ed4775d8b

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: 71b8a82a36b3603f"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "71b8a82a36b3603f88dbedeab86c38eb28a10b4340bc0c4d56d5ffc9e5f5a035"
}

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 71b8a82a36b3603f88dbedeab86c38eb28a10b4340bc0c4d56d5ffc9e5f5a035 # MD5 b8d1375bc6eb346a219b3a1ed4775d8b
TypeValueNote
sha256 71b8a82a36b3603f88dbedeab86c38eb28a10b4340bc0c4d56d5ffc9e5f5a035 Sample:GandCrab
md5 b8d1375bc6eb346a219b3a1ed4775d8b Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi