GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256aab4ee37b3d592dabe9cf960a06067756aa5dd0e3e957b48219c29f47529a2c5
MD516306ec18e21f975e19d5073ed36fabe
File Typeexe
Size97.5 KB
First Seen2022-08-30
File Nameaab4ee37b3d592dabe9cf960a06067756aa5dd0e3e957b48219c29f47529a2c5
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: aab4ee37b3d592dabe9cf960a06067756aa5dd0e3e957b48219c29f47529a2c5
  • MD5: 16306ec18e21f975e19d5073ed36fabe

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: aab4ee37b3d592da"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "aab4ee37b3d592dabe9cf960a06067756aa5dd0e3e957b48219c29f47529a2c5"
}

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 aab4ee37b3d592dabe9cf960a06067756aa5dd0e3e957b48219c29f47529a2c5 # MD5 16306ec18e21f975e19d5073ed36fabe
TypeValueNote
sha256 aab4ee37b3d592dabe9cf960a06067756aa5dd0e3e957b48219c29f47529a2c5 Sample:GandCrab
md5 16306ec18e21f975e19d5073ed36fabe Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi