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

Dosya Kimliği

SHA25685ec743443fe4830daddd95a454fc05b6434adf486a6889134b5d50c29570c9d
MD5659981348eab7fcf5fc2f0ead01628bd
Dosya Adı85ec743443fe4830daddd95a454fc05b6434adf486a6889134b5d50c29570c9d.exe
Boyut64,512 byte (63 KB)
TürPE32 executable for MS Windows 4.00 (GUI), Intel i386 Mono/.Net assembly, 3 sections
String Sayısı1,015

PE Bölümleri

BölümV.SizeEntropi
.text59,8285.84
.rsrc3,5095.03
.reloc120.08

Import Tablosu

  • mscoree.dll
  • _CorExeMain

IOC

SHA25685ec743443fe4830daddd95a454fc05b6434adf486a6889134b5d50c29570c9d
MD5659981348eab7fcf5fc2f0ead01628bd
IP Adresleri4.0.0.0, 6.0.0.0, 3.6.0.0, 1.0.7.0
Domainmicrosoft.com, system.io, system.net
MutexStartBlock, FlushFinalBlock, CreateMutex
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 (12 indicators)

IOC — AsyncRAT
# SHA256 85ec743443fe4830daddd95a454fc05b6434adf486a6889134b5d50c29570c9d # MD5 659981348eab7fcf5fc2f0ead01628bd # IP 4.0.0.0 # IP 6.0.0.0 # IP 3.6.0.0 # IP 1.0.7.0 # DOMAIN microsoft.com # DOMAIN system.io # DOMAIN system.net # MUTEX StartBlock # MUTEX FlushFinalBlock # MUTEX CreateMutex
TypeValueNote
sha256 85ec743443fe4830daddd95a454fc05b6434adf486a6889134b5d50c29570c9d
md5 659981348eab7fcf5fc2f0ead01628bd
ip 4.0.0.0 C2 aday
ip 6.0.0.0 C2 aday
ip 3.6.0.0 C2 aday
ip 1.0.7.0 C2 aday
domain microsoft.com C2 domain
domain system.io C2 domain
domain system.net C2 domain
mutex StartBlock Mutex
mutex FlushFinalBlock Mutex
mutex CreateMutex Mutex
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