General

  • Target
    https://cdn.discordapp.com/attachments/1520232432995930267/1535753351298420886/bytebreaker.exe?ex=6a78e943&is=6a7797c3&hm=508f10039b9eddf7baede5994befb6760b68ea7c1c6b3bb2e61ff35fb52e8724&
  • Sample260808-zrxvcavbqb

Malware Config

Targets

    • Target
      https://cdn.discordapp.com/attachments/1520232432995930267/1535753351298420886/bytebreaker.exe?ex=6a78e943&is=6a7797c3&hm=508f10039b9eddf7baede5994befb6760b68ea7c1c6b3bb2e61ff35fb52e8724&
    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Executes dropped EXE

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

MITRE ATT&CK Enterprise v16

Tasks