AsyncRAT — c4a11391f44853cf8783e17c14eeb379299d9137e3facf7f32a8cf5aea3b9767.exe [c4a11391]

Statik Analiz — AsyncRAT | YÜKSEK | CVSS: 7.5

Dosya

SHA256	`c4a11391f44853cf8783e17c14eeb379299d9137e3facf7f32a8cf5aea3b9767`
MD5	`1da2d06dd57d42cf9f1e2234725bad5f`
Dosya	c4a11391f44853cf8783e17c14eeb379299d9137e3facf7f32a8cf5aea3b9767.exe
Boyut	44,544 byte
Tür	PE32 executable for MS Windows 6.00 (GUI), Intel i386 Mono/.Net assembly, 3 sections
Stringler	539

Bölümler

Ad	Entropi
`.text`	5.6
`.rsrc`	4.85
`.reloc`	0.08

Import Tablosu

mscoree.dll

IOC

SHA256	`c4a11391f44853cf8783e17c14eeb379299d9137e3facf7f32a8cf5aea3b9767`
MD5	`1da2d06dd57d42cf9f1e2234725bad5f`
IP	`1.0.0.0`
Domain	`system.net`, `system.io`, `microsoft.com`
Mutex	`CreateMutex`
C2	`system.net, system.io, microsoft.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

# IP
1.0.0.0 

# DOMAIN
system.net 

# DOMAIN
system.io 

# DOMAIN
microsoft.com 

# MUTEX
CreateMutex

Type	Value	Note
ip	1.0.0.0	C2 aday
domain	system.net	C2 domain
domain	system.io	C2 domain
domain	microsoft.com	C2 domain
mutex	CreateMutex	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.