GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2562b1c38c91a064952dc2d3442d70e0bca496e1adf1144f30d41849b6133eaae7d
MD569aa44d392a3de4ececadbe3499f33ba
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name2b1c38c91a064952dc2d3442d70e0bca496e1adf1144f30d41849b6133eaae7d
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 2b1c38c91a064952dc2d3442d70e0bca496e1adf1144f30d41849b6133eaae7d
  • MD5: 69aa44d392a3de4ececadbe3499f33ba

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: 2b1c38c91a064952"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "2b1c38c91a064952dc2d3442d70e0bca496e1adf1144f30d41849b6133eaae7d"
}

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 2b1c38c91a064952dc2d3442d70e0bca496e1adf1144f30d41849b6133eaae7d # MD5 69aa44d392a3de4ececadbe3499f33ba
TypeValueNote
sha256 2b1c38c91a064952dc2d3442d70e0bca496e1adf1144f30d41849b6133eaae7d Sample:GandCrab
md5 69aa44d392a3de4ececadbe3499f33ba Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi