Statik Analiz — AsyncRAT | ALTO | CVSS: 7.5

Arquivo

SHA256d3c419262ca2d01fadb222d46078de258cbd7c33d7f090e74c27c12fccaff6ce
MD52c2937b0d151721d07ced99ba79436de
Arquivod3c419262ca2d01fadb222d46078de258cbd7c33d7f090e74c27c12fccaff6ce.exe
Tamanho6,185,984 byte
TipoPE32+ executable for MS Windows 6.00 (DLL), x86-64, 6 sections
Stringler23,151

Bölümler

AdEntropi
.text6.51
.rdata6.85
.data0.87
.pdata6.32
.rsrc3.0
.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

SHA256d3c419262ca2d01fadb222d46078de258cbd7c33d7f090e74c27c12fccaff6ce
MD52c2937b0d151721d07ced99ba79436de
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 do 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
Linguagem de programação
.NET C#
Protocolo C2
TCP/SSL
Sistemas-alvo
Windows
Também conhecido como (AKA)
AsyncClient

Detalhes 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

Atribuição / Ator da ameaça

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 e comportamento

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

Servidores C2 (8 servidores registrados para esta família)

Endereço Tipo Porta Protocolo Status 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 —

Os endereços C2 são fornecidos apenas a partir de amostras de malware verificadas manualmente pela equipe KEYDAL. O uso comercial é proibido.

Tags
AsyncRATmalwarestatik-analizIOC