GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA256e17797c18d1ccc5d9725df31299a14b8ea14f7f5403d8de53d12986493221291
MD5c41a441ee194685af5442ebfaa409b9e
File Typeexe
Size73.5 KB
First Seen2022-08-30
File Namee17797c18d1ccc5d9725df31299a14b8ea14f7f5403d8de53d12986493221291
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: e17797c18d1ccc5d9725df31299a14b8ea14f7f5403d8de53d12986493221291
  • MD5: c41a441ee194685af5442ebfaa409b9e

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: e17797c18d1ccc5d"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "e17797c18d1ccc5d9725df31299a14b8ea14f7f5403d8de53d12986493221291"
}

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 e17797c18d1ccc5d9725df31299a14b8ea14f7f5403d8de53d12986493221291 # MD5 c41a441ee194685af5442ebfaa409b9e
TypeValueNote
sha256 e17797c18d1ccc5d9725df31299a14b8ea14f7f5403d8de53d12986493221291 Sample:GandCrab
md5 c41a441ee194685af5442ebfaa409b9e Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi