GandCrab | Threat Level: critical | Type: Ransomware

Cryptographic Identifiers

SHA2563dfa0914feca39a44b905371644176ce0ee59e8992700e995a1b7728a04dbfdf
MD5a463b917d1665a45554666a4a9a154cb
File Typeexe
Size70.0 KB
First Seen2022-08-30
File Name3dfa0914feca39a44b905371644176ce0ee59e8992700e995a1b7728a04dbfdf
Tagsexe, Gandcrab

Malware Family: GandCrab

GandCrab, MaaS'tır.

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

Threat Indicators (IOC)

  • SHA256: 3dfa0914feca39a44b905371644176ce0ee59e8992700e995a1b7728a04dbfdf
  • MD5: a463b917d1665a45554666a4a9a154cb

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: 3dfa0914feca39a4"
        threat_level = "critical"
        first_seen = "2022-08-30"
    condition:
        hash.sha256(0, filesize) == "3dfa0914feca39a44b905371644176ce0ee59e8992700e995a1b7728a04dbfdf"
}

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 3dfa0914feca39a44b905371644176ce0ee59e8992700e995a1b7728a04dbfdf # MD5 a463b917d1665a45554666a4a9a154cb
TypeValueNote
sha256 3dfa0914feca39a44b905371644176ce0ee59e8992700e995a1b7728a04dbfdf Sample:GandCrab
md5 a463b917d1665a45554666a4a9a154cb Sample:GandCrab
Tags
gandcrabransomwaremalwarecriticalsha256hash-analizi