GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256db8bdb63089cc53974bab15ceaeac0b3c41816fc5b7fce50fb9800acd38d3b6e
MD5f4b889ec5ee868baa3d7b0a42aab1d1e
File Typeexe
Size69.5 KB
First Seen2022-08-30
File Namedb8bdb63089cc53974bab15ceaeac0b3c41816fc5b7fce50fb9800acd38d3b6e
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: db8bdb63089cc53974bab15ceaeac0b3c41816fc5b7fce50fb9800acd38d3b6e
  • MD5: f4b889ec5ee868baa3d7b0a42aab1d1e

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: db8bdb63089cc539"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "db8bdb63089cc53974bab15ceaeac0b3c41816fc5b7fce50fb9800acd38d3b6e"
}

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 db8bdb63089cc53974bab15ceaeac0b3c41816fc5b7fce50fb9800acd38d3b6e # MD5 f4b889ec5ee868baa3d7b0a42aab1d1e
TypeValueNote
sha256 db8bdb63089cc53974bab15ceaeac0b3c41816fc5b7fce50fb9800acd38d3b6e Sample:GandCrab
md5 f4b889ec5ee868baa3d7b0a42aab1d1e Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi