General

  • Target

    I1ZXB_harderhitshotgunAimassistKBM.bat

  • Size

    481KB

  • Sample

    250118-x67lzs1qhv

  • MD5

    260fc94222cea4e44b95021125336059

  • SHA1

    382efde1837e2fe2a73c6542609ea072da99663c

  • SHA256

    b5ce0c67ad36e1ec6375ad00f7cc90f337ee6ef116594e01a477346496ece01c

  • SHA512

    92b9396aaa8a42b21100303d55352d7a90a9f00bca0829e330b7a1fbaa44d6978eeaa97b67c7a6710793400dcc4e64281a88d57abe28d69e0fb488fa66ce224d

  • SSDEEP

    12288:iLDnABmbmfRNwFlBbvR0D9Gs5N9m2umz0p9n:sDABmbcsFnbvRKlPxumz0pR

Malware Config

Extracted

Family

xworm

C2

forward-floppy.gl.at.ply.gg:13601

Attributes
  • Install_directory

    %AppData%

  • install_file

    SubDir.exe

Targets

    • Target

      I1ZXB_harderhitshotgunAimassistKBM.bat

    • Size

      481KB

    • MD5

      260fc94222cea4e44b95021125336059

    • SHA1

      382efde1837e2fe2a73c6542609ea072da99663c

    • SHA256

      b5ce0c67ad36e1ec6375ad00f7cc90f337ee6ef116594e01a477346496ece01c

    • SHA512

      92b9396aaa8a42b21100303d55352d7a90a9f00bca0829e330b7a1fbaa44d6978eeaa97b67c7a6710793400dcc4e64281a88d57abe28d69e0fb488fa66ce224d

    • SSDEEP

      12288:iLDnABmbmfRNwFlBbvR0D9Gs5N9m2umz0p9n:sDABmbcsFnbvRKlPxumz0pR

    • Detect Xworm Payload

    • UAC bypass

    • 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.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Indicator Removal: Clear Windows Event Logs

      Clear Windows Event Logs to hide the activity of an intrusion.

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks