QuasarRAT — Örnek SHA256: 5b55a5d9 | Medium Tehdit Analizi

Cryptographic Identifiers

Malware Family: QuasarRAT

QuasarRAT, açık kaynaklı araçtır.

Threat Indicators (IOC)

• SHA256: 5b55a5d95f541d3d1c214926893f3187f0a90d4984e673c81c28edb23576c286
• MD5: 8d4a77e1fc1ba4ed1bd544af53500551

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 QuasarRAT_SHA256 {
    meta:
        description = "QuasarRAT sample: 5b55a5d95f541d3d"
        threat_level = "medium"
        first_seen = "2025-12-02"
    condition:
        hash.sha256(0, filesize) == "5b55a5d95f541d3d1c214926893f3187f0a90d4984e673c81c28edb23576c286"
}