AsyncRAT — b57c3186303f4a56ac70699bdef1aede047db5a118370f93df0171d9d2add0d6.vbs [b57c3186]

Manuel Statik Analiz — AsyncRAT | Tehdit: YÜKSEK | CVSS: 7.5

Dosya Kimliği

SHA256	`b57c3186303f4a56ac70699bdef1aede047db5a118370f93df0171d9d2add0d6`
MD5	`a70f6a381ca6407f1539bdfd6ae8ec38`
Dosya Adı	b57c3186303f4a56ac70699bdef1aede047db5a118370f93df0171d9d2add0d6.vbs
Boyut	791 byte (0 KB)
Tür	ASCII text, with CRLF line terminators
String Sayısı	11

IOC

SHA256	`b57c3186303f4a56ac70699bdef1aede047db5a118370f93df0171d9d2add0d6`
MD5	`a70f6a381ca6407f1539bdfd6ae8ec38`
Domain	`githubusercontent.com`
PDB/Yol	`C:\Users\Public\Downloads\config.data` `C:\Users\Public\Downloads\installer.exe`
C2 Aday	`githubusercontent.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 (5 indicators)

IOC — AsyncRAT

# SHA256
b57c3186303f4a56ac70699bdef1aede047db5a118370f93df0171d9d2add0d6

# MD5
a70f6a381ca6407f1539bdfd6ae8ec38

# DOMAIN
githubusercontent.com 

# FILEPATH
C:\Users\Public\Downloads\config.data 

# FILEPATH
C:\Users\Public\Downloads\installer.exe

Type	Value	Note
sha256	b57c3186303f4a56ac70699bdef1aede047db5a118370f93df0171d9d2add0d6
md5	a70f6a381ca6407f1539bdfd6ae8ec38
domain	githubusercontent.com	C2 domain
filepath	C:\Users\Public\Downloads\config.data	PDB
filepath	C:\Users\Public\Downloads\installer.exe	PDB

AsyncRAT — Go to Full Profile →

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.