Resubmissions

04-02-2025 16:29

250204-tza3nasjax 10

04-02-2025 16:25

250204-txf6ws1rdt 10

General

  • Target

    https://cdn.discordapp.com/attachments/1171221884562587691/1171222232928890991/ZFy00Zb.rar?ex=67a34474&is=67a1f2f4&hm=b70b79b4d5ab317c25206d8808c3dd56f75ed54dfb33519a559050aae485229c&

  • Sample

    250204-tza3nasjax

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

https://api.telegram.org/bot5602729079:AAHue5HGrezQGgwKeWyn3WQgaqOZM5nlF_c/sendMessage?chat_id=6067717150

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

xworm

Version

3.0

C2

127.0.0.1:7000

Mutex

X5YBIgfxl9v2eUbs

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

aes.plain

Targets

    • Target

      https://cdn.discordapp.com/attachments/1171221884562587691/1171222232928890991/ZFy00Zb.rar?ex=67a34474&is=67a1f2f4&hm=b70b79b4d5ab317c25206d8808c3dd56f75ed54dfb33519a559050aae485229c&

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Asyncrat family

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detect Xworm Payload

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Stormkitty family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Async RAT payload

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Uses the VBS compiler for execution

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks