ValleyRAT | Threat Level: high | Type: RAT

Cryptographic Identifiers

SHA2561a1239b47c22bf71fa5d37377fe6d9a2d71f34ba87542d26434a926002d28590
MD5a75e4ba63db86418595bf4719e95dcda
File Typedll
Size418.5 KB
First Seen2026-04-17
File Namecef_frame.dll
Tagsdll, SilverFox, Trojan/SilverFox.sz, ValleyRAT

Malware Family: ValleyRAT

ValleyRAT, Çin APT RAT'tır.

TypeRAT
Programming LanguageC++
Target PlatformWindows
C2 ProtocolHTTP
PurposeÇin APT RAT
First Seen Year2023

Threat Indicators (IOC)

  • SHA256: 1a1239b47c22bf71fa5d37377fe6d9a2d71f34ba87542d26434a926002d28590
  • MD5: a75e4ba63db86418595bf4719e95dcda

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: 1a1239b47c22bf71"
        threat_level = "high"
        first_seen = "2026-04-17"
    condition:
        hash.sha256(0, filesize) == "1a1239b47c22bf71fa5d37377fe6d9a2d71f34ba87542d26434a926002d28590"
}

ValleyRAT — Malware Profile

ValleyRAT Çin APT RAT. Cince hedefleme. WMIC HypervisorPresent VM tespit. surrogate pair dogrulama.

Malware Type
RAT
Programming Language
C++
C2 Protocol
HTTP
Target Systems
Windows

Capabilities & Behavior

Uzaktan Erişim & Kontrol
Keylogger
Ekran Görüntüsü
Webcam Erişimi
Dosya Yönetimi
Süreç Yönetimi
Komut Yürütme
Kalıcılık Mekanizması

IOC List (2 indicators)

IOC — ValleyRAT
# SHA256 1a1239b47c22bf71fa5d37377fe6d9a2d71f34ba87542d26434a926002d28590 # MD5 a75e4ba63db86418595bf4719e95dcda
TypeValueNote
sha256 1a1239b47c22bf71fa5d37377fe6d9a2d71f34ba87542d26434a926002d28590 Sample:ValleyRAT
md5 a75e4ba63db86418595bf4719e95dcda Sample:ValleyRAT
Tags
valleyratratmalwarehighsha256hash-analizi