Statik Analiz — AsyncRAT | ALTO | CVSS: 7.5

Archivo

SHA256214a9769cc9e7f5dd5f61235e9ea73b4a5fff7eb501b82b0a877e00c5ce5c76b
MD5898ad1bf49cfcbed106bec1e227c55d7
Archivo214a9769cc9e7f5dd5f61235e9ea73b4a5fff7eb501b82b0a877e00c5ce5c76b.exe
Tamaño686,656 byte
TipoPE32+ executable for MS Windows 6.00 (GUI), x86-64, 9 sections
Stringler3,068
PDB: c:\workspace\8-2-build-windows-i586-cygwin\jdk8u181\11358\build\windows-i586\deploy\jre-image\bin\javaws.pdb

Bölümler

AdEntropi
.text6.45
.rdata5.54
.data3.08
.pdata5.54
.fptable0.0
.retplne1.39
_RDATA5.0
.rsrc5.94
.reloc5.51

Import Tablosu

  • KERNEL32.dll
  • ADVAPI32.dll
  • SHELL32.dll
  • USER32.dll
  • GDI32.dll

IOC

SHA256214a9769cc9e7f5dd5f61235e9ea73b4a5fff7eb501b82b0a877e00c5ce5c76b
MD5898ad1bf49cfcbed106bec1e227c55d7
IP1.0.0.0, 11.181.2.13, 14.0.0.0
Domainsymcb.com, system.io, system.net, symantec.com, microsoft.com, symauth.com
PDBc:\workspace\8-2-build-windows-i586-cygwin\jdk8u181\11358\build\windows-i586\deploy\jre-image\bin\javaws.pdb
C2symcb.com, system.io, system.net, symantec.com, microsoft.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 (10 indicadores)

IOC — AsyncRAT
# IP 1.0.0.0 # IP 11.181.2.13 # IP 14.0.0.0 # DOMAIN symcb.com # DOMAIN system.io # DOMAIN system.net # DOMAIN symantec.com # DOMAIN microsoft.com # DOMAIN symauth.com # FILEPATH c:\workspace\8-2-build-windows-i586-cygwin\jdk8u181\11358\build\windows-i586\deploy\jre-image\bin\javaws.pdb
TipoValorNota
ip 1.0.0.0 C2 aday
ip 11.181.2.13 C2 aday
ip 14.0.0.0 C2 aday
domain symcb.com C2 domain
domain system.io C2 domain
domain system.net C2 domain
domain symantec.com C2 domain
domain microsoft.com C2 domain
domain symauth.com C2 domain
filepath c:\workspace\8-2-build-windows-i586-cygwin\jdk8u181\11358\build\windows-i586\deploy\jre-image\bin\javaws.pdb 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