ValleyRAT | Threat Level: high | Type: RAT
Cryptographic Identifiers
| SHA256 | af71d8886f256bf2393b1bf6d44b2fcb50d7d546e49bb7b6fbe151a3cf2032f5 |
|---|---|
| MD5 | fceaf8af1a6e83e0a1ae35a4a2fa35a7 |
| File Type | exe |
| Size | 5699.8 KB |
| First Seen | 2026-06-12 |
| File Name | dingtalk_downloader.exe |
| Tags | exe, Gh0stRAT, SilverFox, ValleyRAT |
Malware Family: ValleyRAT
ValleyRAT, Çin APT grubu tarafından kullanılır.
| Type | RAT |
|---|---|
| Programming Language | C++ |
| Target Platform | Windows |
| C2 Protocol | HTTP |
| Purpose | Çin APT RAT |
| First Seen Year | 2023 |
Threat Indicators (IOC)
- SHA256:
af71d8886f256bf2393b1bf6d44b2fcb50d7d546e49bb7b6fbe151a3cf2032f5 - MD5:
fceaf8af1a6e83e0a1ae35a4a2fa35a7
You can verify all hash values of this sample on VirusTotal.
System Cleanup Guide
- Disconnect the system from the network — unplug ethernet, disable Wi-Fi
- Terminate suspicious processes from Task Manager
- Run a full system scan with Malwarebytes or Kaspersky
- HKCU\Software\Microsoft\Windows\CurrentVersion\Run kayıtlarını kontrol edin
- Review newly created tasks in Task Scheduler
- Change all your account passwords from a clean device
- Gerekirse Windows'u yeniden yükleyin ve verilerinizi temiz bir yedeğe geri alın
YARA Rule Hints
rule ValleyRAT_SHA256 {
meta:
description = "ValleyRAT sample: af71d8886f256bf2"
threat_level = "high"
first_seen = "2026-06-12"
condition:
hash.sha256(0, filesize) == "af71d8886f256bf2393b1bf6d44b2fcb50d7d546e49bb7b6fbe151a3cf2032f5"
}
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
af71d8886f256bf2393b1bf6d44b2fcb50d7d546e49bb7b6fbe151a3cf2032f5
# MD5
fceaf8af1a6e83e0a1ae35a4a2fa35a7
| Type | Value | Note |
|---|---|---|
| sha256 | af71d8886f256bf2393b1bf6d44b2fcb50d7d546e49bb7b6fbe151a3cf2032f5 | Sample:ValleyRAT |
| md5 | fceaf8af1a6e83e0a1ae35a4a2fa35a7 | Sample:ValleyRAT |