ValleyRAT | Threat Level: high | Type: RAT

Cryptographic Identifiers

SHA256a06f070614fb6458e1c36f20e7bb512957e843f45f8da9e99bb2365126a56be9
MD55adf5be463b10f5d183b2608de1d3299
File Typeexe
Size41119.0 KB
First Seen2026-02-17
File Name国税庁からの通知.exe
TagsdllHijack, exe, Generic, SilverFox, trojan, Trojan:Win32/Yomal!rfn, ValleyRAT, Yomal

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: a06f070614fb6458e1c36f20e7bb512957e843f45f8da9e99bb2365126a56be9
  • MD5: 5adf5be463b10f5d183b2608de1d3299

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: a06f070614fb6458"
        threat_level = "high"
        first_seen = "2026-02-17"
    condition:
        hash.sha256(0, filesize) == "a06f070614fb6458e1c36f20e7bb512957e843f45f8da9e99bb2365126a56be9"
}

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 a06f070614fb6458e1c36f20e7bb512957e843f45f8da9e99bb2365126a56be9 # MD5 5adf5be463b10f5d183b2608de1d3299
TypeValueNote
sha256 a06f070614fb6458e1c36f20e7bb512957e843f45f8da9e99bb2365126a56be9 Sample:ValleyRAT
md5 5adf5be463b10f5d183b2608de1d3299 Sample:ValleyRAT
Tags
valleyratratmalwarehighsha256hash-analizi