Statik Analiz — AsyncRAT | YÜKSEK | CVSS: 7.5

Dosya

SHA256214a9769cc9e7f5dd5f61235e9ea73b4a5fff7eb501b82b0a877e00c5ce5c76b
MD5898ad1bf49cfcbed106bec1e227c55d7
Dosya214a9769cc9e7f5dd5f61235e9ea73b4a5fff7eb501b82b0a877e00c5ce5c76b.exe
Boyut686,656 byte
TürPE32+ 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 — 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 (10 indicators)

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
TypeValueNote
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

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