Statik Analiz — AsyncRAT | ALTO | CVSS: 7.5

Archivo

SHA25618c781259384f8c799eb03739f7dee9f312c2d9af8f39ea9eda302a43d78af3d
MD5740291019c6a844b4203d870dc26d13f
Archivo18c781259384f8c799eb03739f7dee9f312c2d9af8f39ea9eda302a43d78af3d.exe
Tamaño6,084,608 byte
TipoPE32+ executable for MS Windows 6.00 (DLL), x86-64, 6 sections
Stringler23,152

Bölümler

AdEntropi
.text6.51
.rdata6.84
.data4.35
.pdata6.32
.rsrc3.56
.reloc5.41

Import Tablosu

  • ADVAPI32.dll
  • bcrypt.dll
  • KERNEL32.dll
  • ole32.dll
  • USER32.dll
  • api-ms-win-crt-heap-l1-1-0.dll
  • api-ms-win-crt-math-l1-1-0.dll
  • api-ms-win-crt-string-l1-1-0.dll
  • api-ms-win-crt-convert-l1-1-0.dll
  • api-ms-win-crt-runtime-l1-1-0.dll
  • api-ms-win-crt-stdio-l1-1-0.dll

IOC

SHA25618c781259384f8c799eb03739f7dee9f312c2d9af8f39ea9eda302a43d78af3d
MD5740291019c6a844b4203d870dc26d13f
IP4.2.1.0, 3.5.0.0, 11.11.0.0, 4.0.0.0
Domainsystem.io, github.com, fluentvalidation.net
BTC14ArrayTypeMismatchException, 3E9r3K34Jx8Pes7S4v7qenbkTY8mn813Sw
C2system.io, github.com, fluentvalidation.net

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 (9 indicadores)

IOC — AsyncRAT
# 14ArrayTypeMismatchException # 3E9r3K34Jx8Pes7S4v7qenbkTY8mn813Sw # IP 4.2.1.0 # IP 3.5.0.0 # IP 11.11.0.0 # IP 4.0.0.0 # DOMAIN system.io # DOMAIN github.com # DOMAIN fluentvalidation.net
TipoValorNota
14ArrayTypeMismatchException BTC
3E9r3K34Jx8Pes7S4v7qenbkTY8mn813Sw BTC
ip 4.2.1.0 C2 aday
ip 3.5.0.0 C2 aday
ip 11.11.0.0 C2 aday
ip 4.0.0.0 C2 aday
domain system.io C2 domain
domain github.com C2 domain
domain fluentvalidation.net C2 domain
AsyncRAT — Ver perfil completo →

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