GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256c43fbf71fc4a1c1f997d3e1148a3b8f350182600c508c361b6331bc05ff0c79d
MD53044ca7a67baa18f221b44607e4a3e3d
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namec43fbf71fc4a1c1f997d3e1148a3b8f350182600c508c361b6331bc05ff0c79d
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: c43fbf71fc4a1c1f997d3e1148a3b8f350182600c508c361b6331bc05ff0c79d
  • MD5: 3044ca7a67baa18f221b44607e4a3e3d

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: c43fbf71fc4a1c1f"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "c43fbf71fc4a1c1f997d3e1148a3b8f350182600c508c361b6331bc05ff0c79d"
}

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 c43fbf71fc4a1c1f997d3e1148a3b8f350182600c508c361b6331bc05ff0c79d # MD5 3044ca7a67baa18f221b44607e4a3e3d
TypeValueNote
sha256 c43fbf71fc4a1c1f997d3e1148a3b8f350182600c508c361b6331bc05ff0c79d Sample:GandCrab
md5 3044ca7a67baa18f221b44607e4a3e3d Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi