General

  • Target

    WindowsServiceHost.bat

  • Size

    261KB

  • Sample

    250121-2qtgmsvrck

  • MD5

    14be533a8ded237f42b2ddc0d33b276d

  • SHA1

    7293f45cd1cd11f4917f5a8abbad7fffaadbef7d

  • SHA256

    0a7fd6f7e41112d69cab8548e2eb9b6605c43a31a6d69742588c91e96a23b5e1

  • SHA512

    2fa1c126da6765ab7da7663b98498a299f5d4e4c1e92a155add0040ed3e45b32e5285c88d829dc1b87394e08bf8bdba6e1c62de5c749824c69a576d3981c8b1d

  • SSDEEP

    6144:vGnTkbwrZjfz5/vhQnFZTsEmGTNsqrldr31ITpjnFyAKu+:unQbwlz5/enr/vdOTRnFJV+

Malware Config

Extracted

Family

xworm

Version

5.0

C2

rated-obituaries.gl.at.ply.gg:15683

Mutex

rSnauVoWu1wqhFOA

Attributes
  • Install_directory

    %Public%

  • install_file

    WindowsDefenderUpdateTool.exe

aes.plain

Targets

    • Target

      WindowsServiceHost.bat

    • Size

      261KB

    • MD5

      14be533a8ded237f42b2ddc0d33b276d

    • SHA1

      7293f45cd1cd11f4917f5a8abbad7fffaadbef7d

    • SHA256

      0a7fd6f7e41112d69cab8548e2eb9b6605c43a31a6d69742588c91e96a23b5e1

    • SHA512

      2fa1c126da6765ab7da7663b98498a299f5d4e4c1e92a155add0040ed3e45b32e5285c88d829dc1b87394e08bf8bdba6e1c62de5c749824c69a576d3981c8b1d

    • SSDEEP

      6144:vGnTkbwrZjfz5/vhQnFZTsEmGTNsqrldr31ITpjnFyAKu+:unQbwlz5/enr/vdOTRnFJV+

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Blocklisted process makes network request

    • 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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

MITRE ATT&CK Enterprise v15

Tasks