ValleyRAT — Örnek SHA256: b83cfdc5 | High Tehdit Analizi

Cryptographic Identifiers

Malware Family: ValleyRAT

ValleyRAT, Çin APT RAT'tır.

Threat Indicators (IOC)

• SHA256: b83cfdc56662be5032e76c02a8b94a414cd1b6878acde92b09e2983204028901
• MD5: cb12ca8de93c8603dc48600ce004aaeb

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: b83cfdc56662be50"
        threat_level = "high"
        first_seen = "2025-10-21"
    condition:
        hash.sha256(0, filesize) == "b83cfdc56662be5032e76c02a8b94a414cd1b6878acde92b09e2983204028901"
}