Cryptographic Identifiers
| SHA256 | 36604beade276848704a2d980d46402eb2bd3e2465eb9ee3a3bf93dd3bbc905a |
|---|---|
| MD5 | 6cdc1131f1f4de668c93dbda6d946428 |
| File Type | exe |
| Size | 41.6 KB |
| First Seen | 2026-02-28 |
| File Name | cs2external.exe |
| Tags | exe, QuasarRAT, signed |
Malware Family: QuasarRAT
QuasarRAT, açık kaynaklı yönetim aracıdır.
| Type | RAT |
|---|---|
| Programming Language | C#/.NET |
| Target Platform | Windows |
| C2 Protocol | TCP/SSL |
| Purpose | Uzaktan masaüstü, dosya yönetimi |
| First Seen Year | 2014 |
| Aliases | xRAT |
Threat Indicators (IOC)
- SHA256:
36604beade276848704a2d980d46402eb2bd3e2465eb9ee3a3bf93dd3bbc905a - MD5:
6cdc1131f1f4de668c93dbda6d946428
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 QuasarRAT_SHA256 {
meta:
description = "QuasarRAT sample: 36604beade276848"
threat_level = "medium"
first_seen = "2026-02-28"
condition:
hash.sha256(0, filesize) == "36604beade276848704a2d980d46402eb2bd3e2465eb9ee3a3bf93dd3bbc905a"
}
QuasarRAT — Malware Profile
QuasarRAT acik kaynak uzaktan erisim araci. v1.4.0 istemcisi Quasar.Client.Recovery ile Chrome/Firefox/Edge/Yandex/WinSCP/FileZilla kimlik bilgilerini kurtarir. PGma.System.MouseKeyHook ile fare+klavye izlemesi yapar. Protobuf-net ile sifreli C2 iletisimi saglar. schtasks ile kalicilik.
Technical Details
C# .NET, TLS/SSL sifreleme, TCP varsayilan port 4782, Remote Desktop, Process Manager, File Browser, Password Recovery, Reverse Proxy (SOCKS5), Keylogger, Registry Editor
Capabilities & Behavior
IOC List (2 indicators)
# SHA256
36604beade276848704a2d980d46402eb2bd3e2465eb9ee3a3bf93dd3bbc905a
# MD5
6cdc1131f1f4de668c93dbda6d946428
| Type | Value | Note |
|---|---|---|
| sha256 | 36604beade276848704a2d980d46402eb2bd3e2465eb9ee3a3bf93dd3bbc905a | Sample:QuasarRAT |
| md5 | 6cdc1131f1f4de668c93dbda6d946428 | Sample:QuasarRAT |
C2 Servers (5 recorded servers for this family)
| Address | Type | Port | Protocol | Status | Country |
|---|---|---|---|---|---|
| api.ipify.org | domain | 443 | HTTPS | active | — |
| ipwho.is | domain | 443 | HTTPS | active | — |
| hitclub.paris | domain | — | HTTP | active | — |
| 77.91.124.165 | ip | 4782 | TCP | inactive | — |
| 192.210.179.210 | ip | 4782 | TCP | inactive | US |
C2 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.