Statik Analiz — AsyncRAT | YÜKSEK | CVSS: 7.5

Dosya

SHA256bebb4bed2e81e35672a57429b17ed84872949b5833479937ec0ca97a30b1609d
MD5db0156d56474b360016cb3331e59adf2
Dosyabebb4bed2e81e35672a57429b17ed84872949b5833479937ec0ca97a30b1609d.exe
Boyut3,297,792 byte
TürPE32+ executable for MS Windows 6.00 (DLL), x86-64, 6 sections
Stringler11,755

Bölümler

AdEntropi
.text6.47
.rdata6.7
.data3.41
.pdata6.1
.rsrc3.7
.reloc5.46

Import Tablosu

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

IOC

SHA256bebb4bed2e81e35672a57429b17ed84872949b5833479937ec0ca97a30b1609d
MD5db0156d56474b360016cb3331e59adf2
IP4.2.1.0, 3.5.0.0, 7.3.0.0, 4.0.0.0
Domainsystem.net, github.com
BTC14ArrayTypeMismatchException, 3y5RxmhcStQpSDzm5EGb8i9pwBUEHqN
C2system.net, github.com

AsyncRAT — Malware Profile

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 Type
RAT
Programming Language
.NET C#
C2 Protocol
TCP/SSL
Target Systems
Windows
Also Known As (AKA)
AsyncClient

Technical 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 / Threat Actor

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.

Capabilities & Behavior

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

IOC List (8 indicators)

IOC — AsyncRAT
# 14ArrayTypeMismatchException # 3y5RxmhcStQpSDzm5EGb8i9pwBUEHqN # IP 4.2.1.0 # IP 3.5.0.0 # IP 7.3.0.0 # IP 4.0.0.0 # DOMAIN system.net # DOMAIN github.com
TypeValueNote
14ArrayTypeMismatchException BTC
3y5RxmhcStQpSDzm5EGb8i9pwBUEHqN BTC
ip 4.2.1.0 C2 aday
ip 3.5.0.0 C2 aday
ip 7.3.0.0 C2 aday
ip 4.0.0.0 C2 aday
domain system.net C2 domain
domain github.com C2 domain
AsyncRAT — Go to Full Profile →

C2 Servers (8 recorded servers for this family)

Address Type Port Protocol Status Country
system.io domain — TCP active —
system.io domain — TCP active —
microsoft.com domain — TCP active —
microsoft.com domain — TCP active —
system.io domain — TCP active —
system.io domain — TCP active —
microsoft.com domain — TCP active —
microsoft.com domain — TCP active —

C2 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.

Tags
AsyncRATmalwarestatik-analizIOC