Statik Analiz — AsyncRAT | HOCH | CVSS: 7.5

Datei

SHA25640f0f0b29af466b7afd7ee0e004df5e029c3b6191bb0988009657fda961ece7f
MD50cb5525809690c37808aa4c8dae0bb98
Datei40f0f0b29af466b7afd7ee0e004df5e029c3b6191bb0988009657fda961ece7f.exe
Größe726,016 byte
TypPE32 executable for MS Windows 4.00 (GUI), Intel i386 Mono/.Net assembly, 3 sections
Stringler5,116

Bölümler

AdEntropi
.text6.3
.rsrc4.59
.reloc0.1

Import Tablosu

  • mscoree.dll

IOC

SHA25640f0f0b29af466b7afd7ee0e004df5e029c3b6191bb0988009657fda961ece7f
MD50cb5525809690c37808aa4c8dae0bb98
IP5.7.1.0, 1.7.1.0, 4.0.0.0, 2.4.0.0, 15.0.0.0, 15.8.0.0, 2.2.5.0, 6.0.0.0
Domainsystem.net, system.io, common.io, microsoft.com
MutexReleaseMutex
C2system.net, system.io, common.io, microsoft.com

AsyncRAT — Malware-Profil

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-Typ
RAT
Programmiersprache
.NET C#
C2-Protokoll
TCP/SSL
Zielsysteme
Windows
Auch bekannt als (AKA)
AsyncClient

Technische 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 / Bedrohungsakteur

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.

Fähigkeiten & Verhalten

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

IOC-Liste (15 Indikatoren)

IOC — AsyncRAT
# IP 5.7.1.0 # IP 1.7.1.0 # IP 4.0.0.0 # IP 2.4.0.0 # IP 15.0.0.0 # IP 15.8.0.0 # IP 2.2.5.0 # IP 6.0.0.0 # IP 1.0.0.0 # IP 2.0.0.0 # DOMAIN system.net # DOMAIN system.io # DOMAIN common.io # DOMAIN microsoft.com # MUTEX ReleaseMutex
TypWertBemerkung
ip 5.7.1.0 C2 aday
ip 1.7.1.0 C2 aday
ip 4.0.0.0 C2 aday
ip 2.4.0.0 C2 aday
ip 15.0.0.0 C2 aday
ip 15.8.0.0 C2 aday
ip 2.2.5.0 C2 aday
ip 6.0.0.0 C2 aday
ip 1.0.0.0 C2 aday
ip 2.0.0.0 C2 aday
domain system.net C2 domain
domain system.io C2 domain
domain common.io C2 domain
domain microsoft.com C2 domain
mutex ReleaseMutex Mutex

C2-Server (8 erfasste Server für diese Familie)

Adresse Typ Port Protokoll Status Land
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 —

C2-Adressen stammen ausschließlich aus vom KEYDAL-Team manuell verifizierten Malware-Samples. Kommerzielle Nutzung ist untersagt.

Tags
AsyncRATmalwarestatik-analizIOC