Manuel Statik Analiz — AsyncRAT | Tehdit: YÜKSEK | CVSS: 7.5

Dosya Kimliği

SHA256bdac3f57e23880573ef7aa755028383d5c6a7d2fc5bca21be8815388c1d6185a
MD53e640a4fe51510c4e80c779410593179
Dosya Adıbdac3f57e23880573ef7aa755028383d5c6a7d2fc5bca21be8815388c1d6185a.exe
Boyut998,912 byte (975 KB)
TürPE32+ executable for MS Windows 6.00 (GUI), x86-64, 7 sections
String Sayısı2,673

PE Bölümleri

BölümV.SizeEntropi
.text696,8566.63
.rdata178,6406.12
.data82,7923.19
.pdata31,8485.94
.rsrc2,8864.87
.reloc5,7885.35
.gfx34,4667.98

Import Tablosu

  • ADVAPI32.dll
  • RegisterEventSourceW
  • ReportEventW
  • OpenProcessToken
  • AdjustTokenPrivileges
  • LookupPrivilegeValueW
  • bcrypt.dll
  • BCryptGenRandom
  • KERNEL32.dll
  • InitializeCriticalSectionEx
  • EncodePointer
  • CloseHandle
  • CreateEventExW
  • CreateFileW
  • ole32.dll
  • CoUninitialize
  • CoWaitForMultipleHandles
  • CoGetApartmentType
  • CoInitializeEx
  • api-ms-win-crt-heap-l1-1-0.dll

IOC

SHA256bdac3f57e23880573ef7aa755028383d5c6a7d2fc5bca21be8815388c1d6185a
MD53e640a4fe51510c4e80c779410593179
IP Adresleri6.0.0.0, 3.2.0.0
Domainmicrosoft.com, system.net
MutexAllocatedBlock, VirtualUnlock
C2 Adaymicrosoft.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 (6 indicators)

IOC — AsyncRAT
# IP 6.0.0.0 # IP 3.2.0.0 # DOMAIN microsoft.com # DOMAIN system.net # MUTEX AllocatedBlock # MUTEX VirtualUnlock
TypeValueNote
ip 6.0.0.0 C2 aday
ip 3.2.0.0 C2 aday
domain microsoft.com C2 domain
domain system.net C2 domain
mutex AllocatedBlock Mutex
mutex VirtualUnlock Mutex

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