ValleyRAT — Örnek SHA256: 99921cb2 | High Tehdit Analizi

Cryptographic Identifiers

Malware Family: ValleyRAT

ValleyRAT, Çin APT grubu tarafından kullanılır.

Threat Indicators (IOC)

• SHA256: 99921cb2e67ae6b2b77ad716cb384d7edcdc258956a428b0d1d4390bbc91a50e
• MD5: 7b1a236a3dc868f4ce9a9a3430363259

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: 99921cb2e67ae6b2"
        threat_level = "high"
        first_seen = "2026-05-23"
    condition:
        hash.sha256(0, filesize) == "99921cb2e67ae6b2b77ad716cb384d7edcdc258956a428b0d1d4390bbc91a50e"
}