QuasarRAT — Örnek SHA256: 91bef1a7 | Medium Tehdit Analizi

Cryptographic Identifiers

Malware Family: QuasarRAT

QuasarRAT, açık kaynaklı araçtır.

Threat Indicators (IOC)

• SHA256: 91bef1a785b54f7e524f9654aadef5dbaca3e907d1c0d8b84e9a4b869246da01
• MD5: b733ab3e5c78cd2de2f45710ab2c5b53

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: 91bef1a785b54f7e"
        threat_level = "medium"
        first_seen = "2025-11-23"
    condition:
        hash.sha256(0, filesize) == "91bef1a785b54f7e524f9654aadef5dbaca3e907d1c0d8b84e9a4b869246da01"
}