General

  • Target

    ec46d289d2a013fffc92559385cb6e168f18aa85acff11d80e8eb2c96cf343f4.vbs

  • Size

    273KB

  • Sample

    250131-e8qgda1jbj

  • MD5

    d3a2ad6fb6dab0fa9dc4372edd2e2c36

  • SHA1

    01e30df2eed8f6945c8705e1289f1a5fb874f9ad

  • SHA256

    ec46d289d2a013fffc92559385cb6e168f18aa85acff11d80e8eb2c96cf343f4

  • SHA512

    c698631d9d5c76b4e6d99a22d3057f0c030865098ab156eff7070c672230af0718dc970542cc96d31defe23ce1aa5b6ef4b42c41d2f1f60ee4ec10a54b9543a6

  • SSDEEP

    6144:uvpZGWTfNhok1a5w8PQAb4zfn2Lhi0XmQU8o:4pEYlM5w84icSh5Xm7

Malware Config

Extracted

Family

quasar

Attributes
  • reconnect_delay

    3000

Targets

    • Target

      ec46d289d2a013fffc92559385cb6e168f18aa85acff11d80e8eb2c96cf343f4.vbs

    • Size

      273KB

    • MD5

      d3a2ad6fb6dab0fa9dc4372edd2e2c36

    • SHA1

      01e30df2eed8f6945c8705e1289f1a5fb874f9ad

    • SHA256

      ec46d289d2a013fffc92559385cb6e168f18aa85acff11d80e8eb2c96cf343f4

    • SHA512

      c698631d9d5c76b4e6d99a22d3057f0c030865098ab156eff7070c672230af0718dc970542cc96d31defe23ce1aa5b6ef4b42c41d2f1f60ee4ec10a54b9543a6

    • SSDEEP

      6144:uvpZGWTfNhok1a5w8PQAb4zfn2Lhi0XmQU8o:4pEYlM5w84icSh5Xm7

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • 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