General

  • Target

    7d6ff01e6a8805bcc7678aabd3c71ba8493bc0e93cfa05c3c4a9621d481b26a3N.exe

  • Size

    62KB

  • Sample

    250122-pqc4faxlfn

  • MD5

    27073262c053ce8de5d3ca9cd80b04c0

  • SHA1

    f4958421fb58916bba8f78c914934eacbc4685f2

  • SHA256

    7d6ff01e6a8805bcc7678aabd3c71ba8493bc0e93cfa05c3c4a9621d481b26a3

  • SHA512

    53ebd126fc6a47bd3f73ddbc63f0963a3937348f7a1564af1d61d17536cef5a9c1618f38f73f501ccbbad80eeb83d569dadae266430ee69adfe9587a9359741b

  • SSDEEP

    768:9cSO/q11X3zEBAd+sSphlECCuyyzdXMgr9tLWbspkpNUfcTjYmQ6g8KOHhH9+0nu:Sj6GsSQyZMe9tSbspkYeK68OH22u

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:55303

NareReti-22747.portmap.host:55303

NareReti-55303.portmap.host:55303

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    Updater.exe

  • telegram

    https://api.telegram.org/bot6840191997:AAGAMBGwNzL_wSKuYrOBbKDIGphrx-yRlhI

Targets

    • Target

      7d6ff01e6a8805bcc7678aabd3c71ba8493bc0e93cfa05c3c4a9621d481b26a3N.exe

    • Size

      62KB

    • MD5

      27073262c053ce8de5d3ca9cd80b04c0

    • SHA1

      f4958421fb58916bba8f78c914934eacbc4685f2

    • SHA256

      7d6ff01e6a8805bcc7678aabd3c71ba8493bc0e93cfa05c3c4a9621d481b26a3

    • SHA512

      53ebd126fc6a47bd3f73ddbc63f0963a3937348f7a1564af1d61d17536cef5a9c1618f38f73f501ccbbad80eeb83d569dadae266430ee69adfe9587a9359741b

    • SSDEEP

      768:9cSO/q11X3zEBAd+sSphlECCuyyzdXMgr9tLWbspkpNUfcTjYmQ6g8KOHhH9+0nu:Sj6GsSQyZMe9tSbspkYeK68OH22u

    • 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

    • 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