Resubmissions

01/06/2024, 13:19

240601-qkj58sdc4w 10

General

  • Target

    Loaderv1.bat

  • Size

    287KB

  • Sample

    240601-qkj58sdc4w

  • MD5

    9becc53510e45ce1b95b220e19043830

  • SHA1

    ad4235a6e3c233e03163e7b4af7be64f4dd37e6e

  • SHA256

    b2fa653ad9ccf9b61a1bf34a11a6f2ecaebc59e1e6efcccc5ffb0628b7472374

  • SHA512

    ddae4aac9040ce0a145fd6b26f2996265af4c53db9bc8a562e7f21c33ad1ba43864b438566161f8dc771d9e5ca3df8ef597fd405b371605e29c66669c2a5e4e1

  • SSDEEP

    6144:tNKne6api98v5J5VTnn0FV/Q4snog1XntS3zozE0nyXMMGe/bG:tNKnWpi945J59mVNAoDDQe1i

Malware Config

Extracted

Family

xworm

C2

continue-silk.gl.at.ply.gg:58347

127.0.0.1:58347

Attributes
  • Install_directory

    %Temp%

  • install_file

    steamwebhelper.exe

Targets

    • Target

      Loaderv1.bat

    • Size

      287KB

    • MD5

      9becc53510e45ce1b95b220e19043830

    • SHA1

      ad4235a6e3c233e03163e7b4af7be64f4dd37e6e

    • SHA256

      b2fa653ad9ccf9b61a1bf34a11a6f2ecaebc59e1e6efcccc5ffb0628b7472374

    • SHA512

      ddae4aac9040ce0a145fd6b26f2996265af4c53db9bc8a562e7f21c33ad1ba43864b438566161f8dc771d9e5ca3df8ef597fd405b371605e29c66669c2a5e4e1

    • SSDEEP

      6144:tNKne6api98v5J5VTnn0FV/Q4snog1XntS3zozE0nyXMMGe/bG:tNKnWpi945J59mVNAoDDQe1i

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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

    • 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