General

  • Target

    fmcth.bat

  • Size

    77KB

  • Sample

    250118-x8rzbasqhn

  • MD5

    468184814f843ccabfba6e4797b64dea

  • SHA1

    da23c44c7143e01c6084fd99f680926b553c3ba1

  • SHA256

    96cc09ef13054fe37778f15fa87202e727832895f9712f68a18618fcb5c24ef1

  • SHA512

    3c6cc618f4ecff6a46814fa7e1132ef06bbc306b58b692e25b355401fff6fec3cc6a5472d3376f39cefb23d9d85cd3d0138360d69a957c84884b4e79578ef541

  • SSDEEP

    1536:1ueBx7KjbtTZiK77VvRFf0bc7OMYIUuH4Rx+GwnPNm8ywUp5QjSdDmjnFllQZEqV:1uAx7KjbtTZiK77VvRFf0bc7OMYIUuH2

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:7703

147.185.221.25:7703

regarding-states.gl.at.ply.gg:7703

Attributes
  • Install_directory

    %AppData%

  • install_file

    ApplicationFrameHost.exe

  • telegram

    https://api.telegram.org/bot6353034618:AAHzEkRGIc7NNoV5QuVXoAVVOMmU4ikzPYc/sendMessage?chat_id=1735841155

Targets

    • Target

      fmcth.bat

    • Size

      77KB

    • MD5

      468184814f843ccabfba6e4797b64dea

    • SHA1

      da23c44c7143e01c6084fd99f680926b553c3ba1

    • SHA256

      96cc09ef13054fe37778f15fa87202e727832895f9712f68a18618fcb5c24ef1

    • SHA512

      3c6cc618f4ecff6a46814fa7e1132ef06bbc306b58b692e25b355401fff6fec3cc6a5472d3376f39cefb23d9d85cd3d0138360d69a957c84884b4e79578ef541

    • SSDEEP

      1536:1ueBx7KjbtTZiK77VvRFf0bc7OMYIUuH4Rx+GwnPNm8ywUp5QjSdDmjnFllQZEqV:1uAx7KjbtTZiK77VvRFf0bc7OMYIUuH2

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

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

    • Downloads MZ/PE file

    • 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