Manuel Statik Analiz — AsyncRAT | Tehdit: CRÍTICO | CVSS: 9.0

Archivo Kimliği

SHA25682e3f88df80eb74912b75ae9d68fd8100e20f7dbb2aa1faad92249236cc8db4a
MD5dca0d171e9faf837b702ac6ab4e06215
Nombre de archivo82e3f88df80eb74912b75ae9d68fd8100e20f7dbb2aa1faad92249236cc8db4a.exe
Tamaño3,369,984 byte (3291 KB)
TipoPE32 executable for MS Windows 4.00 (GUI), Intel i386 Mono/.Net assembly, 3 sections
String Sayısı23,302

PE Bölümleri

BölümV.SizeEntropi
.text3,364,9965.84
.rsrc3,5755.12
.reloc120.1

Import Tablosu

  • mscoree.dll
  • _CorExeMain

IOC

SHA25682e3f88df80eb74912b75ae9d68fd8100e20f7dbb2aa1faad92249236cc8db4a
MD5dca0d171e9faf837b702ac6ab4e06215
IP Adresleri4.0.0.0, 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
Domainjson.net, microsoft.com, websocketsharp.net, blackcastlesoft.com, gsystem.net, github.com, system.io, newtonsoft.com
MutexReleaseLock, inputsLock, CreateMutex, _proxyClientsLock, _tr_stored_block
PDB/YolC:\Users\Administrator\Desktop\Venom
C2 Adayjson.net, microsoft.com, blackcastlesoft.com

AsyncRAT — Perfil del malware

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.

Tipo de malware
RAT
Lenguaje de programación
.NET C#
Protocolo C2
TCP/SSL
Sistemas objetivo
Windows
También conocido como (AKA)
AsyncClient

Detalles técnicos

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

Atribución / Actor de amenaza

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.

Capacidades y comportamiento

Uzaktan Erişim & Kontrol
Keylogger
Ekran Görüntüsü
Webcam Erişimi
Dosya Yönetimi
Süreç Yönetimi
Komut Yürütme
Kalıcılık Mekanizması

Lista IOC (26 indicadores)

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
TipoValorNota
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

Servidores C2 (8 servidores registrados para esta familia)

Dirección Tipo Puerto Protocolo Estado País
microsoft.com domain — TCP active —
microsoft.com domain — TCP active —
microsoft.com domain — TCP active —
microsoft.com domain — TCP active —
microsoft.com domain — TCP active —
microsoft.com domain — TCP active —
microsoft.com domain — TCP active —
microsoft.com domain — TCP active —

Las direcciones C2 se proporcionan únicamente a partir de muestras de malware verificadas manualmente por el equipo KEYDAL. Se prohíbe el uso comercial.

Etiquetas
AsyncRATmalwarestatik-analizIOC