General

  • Target

    menu.exe

  • Size

    327KB

  • Sample

    241118-cm8dysvhrg

  • MD5

    0f7fea309ccdc6ba53737fb6d88fcfd3

  • SHA1

    0f3dfdcbbdb0412cbee95c87a366578da973f07b

  • SHA256

    8b777ba206b3be169e56502581528eb3735c758a8e3c8a0f6b4479ddfc92bb78

  • SHA512

    f123781d84ad83a885aa0a4916be9b40adb87090eb301cd9afcf652cbbfd4deaac1f91b09b616d360f1bf70dbb430a99f5226b118140e21f02d5df2deaff133e

  • SSDEEP

    6144:4PQGXEB3uR4D7P05EkRTwEur5447h/PcHnUSFIT7JHoI0E7YPWs3kZ4sUT:4QapW/PqbTw3FcHUSFU1v0E7v43T

Malware Config

Extracted

Family

xworm

C2

85.209.133.220:111

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    system.exe

Targets

    • Target

      menu.exe

    • Size

      327KB

    • MD5

      0f7fea309ccdc6ba53737fb6d88fcfd3

    • SHA1

      0f3dfdcbbdb0412cbee95c87a366578da973f07b

    • SHA256

      8b777ba206b3be169e56502581528eb3735c758a8e3c8a0f6b4479ddfc92bb78

    • SHA512

      f123781d84ad83a885aa0a4916be9b40adb87090eb301cd9afcf652cbbfd4deaac1f91b09b616d360f1bf70dbb430a99f5226b118140e21f02d5df2deaff133e

    • SSDEEP

      6144:4PQGXEB3uR4D7P05EkRTwEur5447h/PcHnUSFIT7JHoI0E7YPWs3kZ4sUT:4QapW/PqbTw3FcHUSFU1v0E7v43T

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Blocklisted process makes network request

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Disables Task Manager via registry modification

    • Disables cmd.exe use via registry modification

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Adds Run key to start application

    • 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