Manuel Statik Analiz — AsyncRAT | Tehdit: KRİTİK | CVSS: 9.0
Dosya Kimliği
| SHA256 | 82e3f88df80eb74912b75ae9d68fd8100e20f7dbb2aa1faad92249236cc8db4a |
|---|---|
| MD5 | dca0d171e9faf837b702ac6ab4e06215 |
| Dosya Adı | 82e3f88df80eb74912b75ae9d68fd8100e20f7dbb2aa1faad92249236cc8db4a.exe |
| Boyut | 3,369,984 byte (3291 KB) |
| Tür | PE32 executable for MS Windows 4.00 (GUI), Intel i386 Mono/.Net assembly, 3 sections |
| String Sayısı | 23,302 |
PE Bölümleri
| Bölüm | V.Size | Entropi |
|---|---|---|
.text | 3,364,996 | 5.84 |
.rsrc | 3,575 | 5.12 |
.reloc | 12 | 0.1 |
Import Tablosu
mscoree.dll_CorExeMain
IOC
| SHA256 | 82e3f88df80eb74912b75ae9d68fd8100e20f7dbb2aa1faad92249236cc8db4a |
|---|---|
| MD5 | dca0d171e9faf837b702ac6ab4e06215 |
| IP Adresleri | 4.0.0.0, 1.0.115.5, 2.0.0.0, 8.0.0.0, 15.0.0.0, 1.0.0.0, 17.0.0.0, 1.0.7.0 |
| Domain | json.net, microsoft.com, websocketsharp.net, blackcastlesoft.com, gsystem.net, github.com, system.io, newtonsoft.com |
| Mutex | ReleaseLock, inputsLock, CreateMutex, _proxyClientsLock, _tr_stored_block |
| PDB/Yol | C:\Users\Administrator\Desktop\Venom |
| C2 Aday | json.net, microsoft.com, blackcastlesoft.com |
AsyncRAT — Malware Profile
AsyncRAT, 2019'da acik kaynak olarak yayimlanan C# tabanli RAT ailesidir. Ekran yakalama, keylogger, dosya islemleri, HVNC ve plugin sistemine sahiptir. C2 AES-128-CBC ile sifrelenir, TCP uzerinden calisir. JS/PDF yemi ile dagitilir.
Malware Type
RAT
Programming Language
.NET C#
C2 Protocol
TCP/SSL
Target Systems
Windows
Also Known As (AKA)
AsyncClient
Technical Details
C# .NET, AES-128-CBC sifreleme, TCP port 6606/4449 (varsayilan), Mutex kontrol, Runtime assembly loading, Anti-analysis (VM check, Process listesi), HVNC, Keylogger, Stealer, Botnet modulu
Attribution / Threat Actor
Acik kaynak - orjinal gelistirici GitHub'da yayinladi; surekli siber suclu toplulugu tarafindan kullanilmaktadir. APT operasyonlari da dahil olmak uzere cok sayida farkli tehdit aktoru kullanmaktadir.
Capabilities & Behavior
Uzaktan Erişim & Kontrol
Keylogger
Ekran Görüntüsü
Webcam Erişimi
Dosya Yönetimi
Süreç Yönetimi
Komut Yürütme
Kalıcılık Mekanizması
IOC List (26 indicators)
IOC — AsyncRAT
# SHA256
82e3f88df80eb74912b75ae9d68fd8100e20f7dbb2aa1faad92249236cc8db4a
# MD5
dca0d171e9faf837b702ac6ab4e06215
# IP
4.0.0.0
# IP
1.0.115.5
# IP
2.0.0.0
# IP
8.0.0.0
# IP
15.0.0.0
# IP
1.0.0.0
# IP
17.0.0.0
# IP
1.0.7.0
# IP
6.0.0.0
# DOMAIN
json.net
# DOMAIN
microsoft.com
# DOMAIN
websocketsharp.net
# DOMAIN
blackcastlesoft.com
# DOMAIN
gsystem.net
# DOMAIN
github.com
# DOMAIN
system.io
# DOMAIN
newtonsoft.com
# DOMAIN
system.net
# MUTEX
ReleaseLock
# MUTEX
inputsLock
# MUTEX
CreateMutex
# MUTEX
_proxyClientsLock
# MUTEX
_tr_stored_block
# FILEPATH
C:\Users\Administrator\Desktop\Venom
| Type | Value | Note |
|---|---|---|
| sha256 | 82e3f88df80eb74912b75ae9d68fd8100e20f7dbb2aa1faad92249236cc8db4a | |
| md5 | dca0d171e9faf837b702ac6ab4e06215 | |
| ip | 4.0.0.0 | C2 aday |
| ip | 1.0.115.5 | C2 aday |
| ip | 2.0.0.0 | C2 aday |
| ip | 8.0.0.0 | C2 aday |
| ip | 15.0.0.0 | C2 aday |
| ip | 1.0.0.0 | C2 aday |
| ip | 17.0.0.0 | C2 aday |
| ip | 1.0.7.0 | C2 aday |
| ip | 6.0.0.0 | C2 aday |
| domain | json.net | C2 domain |
| domain | microsoft.com | C2 domain |
| domain | websocketsharp.net | C2 domain |
| domain | blackcastlesoft.com | C2 domain |
| domain | gsystem.net | C2 domain |
| domain | github.com | C2 domain |
| domain | system.io | C2 domain |
| domain | newtonsoft.com | C2 domain |
| domain | system.net | C2 domain |
| mutex | ReleaseLock | Mutex |
| mutex | inputsLock | Mutex |
| mutex | CreateMutex | Mutex |
| mutex | _proxyClientsLock | Mutex |
| mutex | _tr_stored_block | Mutex |
| filepath | C:\Users\Administrator\Desktop\Venom | PDB |
C2 Servers (8 recorded servers for this family)
| Address | Type | Port | Protocol | Status | Country |
|---|---|---|---|---|---|
| system.io | domain | — | TCP | active | — |
| system.io | domain | — | TCP | active | — |
| microsoft.com | domain | — | TCP | active | — |
| microsoft.com | domain | — | TCP | active | — |
| system.io | domain | — | TCP | active | — |
| system.io | domain | — | TCP | active | — |
| microsoft.com | domain | — | TCP | active | — |
| microsoft.com | domain | — | TCP | active | — |
C2 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.