AsyncRAT — 4ba87b20a9d920cff0284d250f5c5620dea287fbe9a84d0bb5f4683e74d3ec43.ps1 [4ba87b20]

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

Dosya Kimliği

SHA256	`4ba87b20a9d920cff0284d250f5c5620dea287fbe9a84d0bb5f4683e74d3ec43`
MD5	`fc593f737df50d3cb29fc88ddfb600b1`
Dosya Adı	4ba87b20a9d920cff0284d250f5c5620dea287fbe9a84d0bb5f4683e74d3ec43.ps1
Boyut	216,341 byte (211 KB)
Tür	ASCII text, with CRLF, LF line terminators
String Sayısı	2,830

IOC

SHA256	`4ba87b20a9d920cff0284d250f5c5620dea287fbe9a84d0bb5f4683e74d3ec43`
MD5	`fc593f737df50d3cb29fc88ddfb600b1`
Domain	`system.io`
BTC Cüzdan	`1fKcwNqrYbpoHMwwuvSGi9pzzcTPc8gp`, `1FWSeAmbZ8b6DR12KCi5g6vTr5BkX`
Mutex	`cs.FlushFinalBlock`

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 (6 indicators)

IOC — AsyncRAT

# SHA256
4ba87b20a9d920cff0284d250f5c5620dea287fbe9a84d0bb5f4683e74d3ec43

# MD5
fc593f737df50d3cb29fc88ddfb600b1

# DOMAIN
system.io 

# MUTEX
1fKcwNqrYbpoHMwwuvSGi9pzzcTPc8gp 

# MUTEX
1FWSeAmbZ8b6DR12KCi5g6vTr5BkX 

# MUTEX
cs.FlushFinalBlock

Type	Value	Note
sha256	4ba87b20a9d920cff0284d250f5c5620dea287fbe9a84d0bb5f4683e74d3ec43
md5	fc593f737df50d3cb29fc88ddfb600b1
domain	system.io	C2 domain
mutex	1fKcwNqrYbpoHMwwuvSGi9pzzcTPc8gp	BTC
mutex	1FWSeAmbZ8b6DR12KCi5g6vTr5BkX	BTC
mutex	cs.FlushFinalBlock	Mutex

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.