ValleyRAT | Threat Level: high | Type: RAT

Cryptographic Identifiers

SHA25615b8d9cfaf97050ef3ec3f3850517d139f8f4908216830eb930d64a59e464a9e
MD589554c7f8ecc5f7cb6e0e258ddcb75bd
File Typeexe
Size380.0 KB
First Seen2026-04-17
File NameMicrosoft.WindowsAppRuntime.Bootstrap.dll
Tagsexe, SilverFox, Trojan/SilverFox.ct, 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: 15b8d9cfaf97050ef3ec3f3850517d139f8f4908216830eb930d64a59e464a9e
  • MD5: 89554c7f8ecc5f7cb6e0e258ddcb75bd

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: 15b8d9cfaf97050e"
        threat_level = "high"
        first_seen = "2026-04-17"
    condition:
        hash.sha256(0, filesize) == "15b8d9cfaf97050ef3ec3f3850517d139f8f4908216830eb930d64a59e464a9e"
}

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 15b8d9cfaf97050ef3ec3f3850517d139f8f4908216830eb930d64a59e464a9e # MD5 89554c7f8ecc5f7cb6e0e258ddcb75bd
TypeValueNote
sha256 15b8d9cfaf97050ef3ec3f3850517d139f8f4908216830eb930d64a59e464a9e Sample:ValleyRAT
md5 89554c7f8ecc5f7cb6e0e258ddcb75bd Sample:ValleyRAT
Tags
valleyratratmalwarehighsha256hash-analizi