General

  • Target

    http://memphis-counter-fo-profit.trycloudflare.com

  • Sample

    240708-s4xxjsycrg

Malware Config

Extracted

Family

asyncrat

Version

5.0.5

Botnet

Venom Clients

C2

ujhn.duckdns.org:8520

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

xworm

Version

3.1

C2

welxwrm.duckdns.org:8292

Mutex

qeXNZgD5N2hUEfW4

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

xworm

Version

5.0

C2

rvxwrm5.duckdns.org:9390

Mutex

WU58NbjHis4MqTHI

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

todfg.duckdns.org:6745

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_file

    updateee.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

asyncrat

Botnet

Default

C2

anachyyyyy.duckdns.org:7878

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      http://memphis-counter-fo-profit.trycloudflare.com

    • AsyncRat

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

    • Detect Xworm Payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Async RAT payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Executes dropped EXE

    • Loads dropped DLL

MITRE ATT&CK Enterprise v15

Tasks