General

  • Target

    OSINT.bat

  • Size

    400KB

  • Sample

    240921-x5ke3azakp

  • MD5

    cda6302e5a398269ffa2346d5ba30735

  • SHA1

    6959b2df8f9d74f2ebda4791c62f152ce2ba1078

  • SHA256

    2bd945e6fe787e53fe1d31e804e5e6d26aa9d249dd352eefe0a06e730a2e3196

  • SHA512

    874ab267b8ecfa1b87fad51b6ec2898dc421ebc5e1ac69768cdc694f68c0507a92b693264724267add060d6fd5d08ae2504c3498c2b0eca6d0a9f70fa507a59c

  • SSDEEP

    6144:syqlkA6Z/v4KGoNvZXp4TuYlSMGPrVfvjT2K3+EUv2TiYwWebDcuSJ8kuy5PYQSn:Ylr6dKoNlp4TuYU9TZSv2uGWy5wnmK

Malware Config

Extracted

Family

xworm

C2

press-pairs.gl.at.ply.gg:50154

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Targets

    • Target

      OSINT.bat

    • Size

      400KB

    • MD5

      cda6302e5a398269ffa2346d5ba30735

    • SHA1

      6959b2df8f9d74f2ebda4791c62f152ce2ba1078

    • SHA256

      2bd945e6fe787e53fe1d31e804e5e6d26aa9d249dd352eefe0a06e730a2e3196

    • SHA512

      874ab267b8ecfa1b87fad51b6ec2898dc421ebc5e1ac69768cdc694f68c0507a92b693264724267add060d6fd5d08ae2504c3498c2b0eca6d0a9f70fa507a59c

    • SSDEEP

      6144:syqlkA6Z/v4KGoNvZXp4TuYlSMGPrVfvjT2K3+EUv2TiYwWebDcuSJ8kuy5PYQSn:Ylr6dKoNlp4TuYU9TZSv2uGWy5wnmK

    • 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 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

    • 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