QuasarRAT - Sample SHA256: acf4e409 | Medium Threat Analysis

Cryptographic Identifiers

Malware Family: QuasarRAT

QuasarRAT, açık kaynaklı yönetim aracıdır.

Threat Indicators (IOC)

• SHA256: acf4e409f279deff4fde7ea4457d2a3a126d7602d32058188727c60318a8086d
• MD5: 6892e8230226a3353d942af64acc52a0

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: acf4e409f279deff"
        threat_level = "medium"
        first_seen = "2026-03-20"
    condition:
        hash.sha256(0, filesize) == "acf4e409f279deff4fde7ea4457d2a3a126d7602d32058188727c60318a8086d"
}