General

  • Target

    downloader.exe

  • Size

    30.1MB

  • Sample

    241101-ved49avjcj

  • MD5

    26686671cb857fa066747e543626cd5a

  • SHA1

    a89da87bb0e8143da8e78bb12a42a814a33ba1ed

  • SHA256

    775c6da13228f326094fd72815ab3e496a49bff139c98478567def07e21f6e50

  • SHA512

    dbe9544f0cb7ca75239fa2042c4902d6ec0e4a3679be409df187609cd1cbfdf4f116892c9b083de4c39ac6dde40d524eb7719c72de091763213a105fd71f8d2d

  • SSDEEP

    393216:R8oimu7izBxR3QRzhzvQ99Sq8lu0q5tDJKoWSxJGBL7aumo+AJCcLKAE:R9w9wD5xUeubJCcs

Malware Config

Extracted

Family

xworm

C2

83.38.28.117:1603

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    OneDrive.exe

Targets

    • Target

      downloader.exe

    • Size

      30.1MB

    • MD5

      26686671cb857fa066747e543626cd5a

    • SHA1

      a89da87bb0e8143da8e78bb12a42a814a33ba1ed

    • SHA256

      775c6da13228f326094fd72815ab3e496a49bff139c98478567def07e21f6e50

    • SHA512

      dbe9544f0cb7ca75239fa2042c4902d6ec0e4a3679be409df187609cd1cbfdf4f116892c9b083de4c39ac6dde40d524eb7719c72de091763213a105fd71f8d2d

    • SSDEEP

      393216:R8oimu7izBxR3QRzhzvQ99Sq8lu0q5tDJKoWSxJGBL7aumo+AJCcLKAE:R9w9wD5xUeubJCcs

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks