ValleyRAT — Örnek SHA256: 4198b9f6 | High Tehdit Analizi

Cryptographic Identifiers

Malware Family: ValleyRAT

ValleyRAT, Çin APT RAT'tır.

Threat Indicators (IOC)

• SHA256: 4198b9f63c65311fe63c37469bebd0085c8c348c947ea42f30306796d11eef78
• MD5: ea40f63e55f4a060a2726113177a53a8

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 ValleyRAT_SHA256 {
    meta:
        description = "ValleyRAT sample: 4198b9f63c65311f"
        threat_level = "high"
        first_seen = "2025-10-20"
    condition:
        hash.sha256(0, filesize) == "4198b9f63c65311fe63c37469bebd0085c8c348c947ea42f30306796d11eef78"
}