BruteRatel — Örnek SHA256: fb91de5a | Critical Tehdit Analizi

Cryptographic Identifiers

Malware Family: BruteRatel

Brute Ratel, EDR atlatmak için tasarlandı.

Threat Indicators (IOC)

• SHA256: fb91de5a3ce80ac51fded1719dc72c6c71acadc65ada3262e7bc74dac41cd65a
• MD5: 04f1eb0ebaf71f827da7b1c4656960ad

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

1. Disconnect the system from the network — unplug ethernet, disable Wi-Fi
2. Terminate suspicious processes from Task Manager
3. Run a full system scan with Malwarebytes or Kaspersky
4. HKCU\Software\Microsoft\Windows\CurrentVersion\Run kayıtlarını kontrol edin
5. Review newly created tasks in Task Scheduler
6. Change all your account passwords from a clean device
7. Gerekirse Windows'u yeniden yükleyin ve verilerinizi temiz bir yedeğe geri alın

YARA Rule Hints

rule BruteRatel_SHA256 {
    meta:
        description = "BruteRatel sample: fb91de5a3ce80ac5"
        threat_level = "critical"
        first_seen = "2026-02-28"
    condition:
        hash.sha256(0, filesize) == "fb91de5a3ce80ac51fded1719dc72c6c71acadc65ada3262e7bc74dac41cd65a"
}