General

  • Target

    b2ef050eef6c730474fe76951e16a92088516696aac3a470ffbb2ce39511a847

  • Size

    4.1MB

  • Sample

    230605-s5knlsaa3x

  • MD5

    1b28b0e269502adc5fa4495993795431

  • SHA1

    6d58c12cbd9f78ab4e9383087b2165752046902c

  • SHA256

    b2ef050eef6c730474fe76951e16a92088516696aac3a470ffbb2ce39511a847

  • SHA512

    2c5e2cc9d9b95652ba463d814473e5b77fe0b202228315c8d39e32f0139079b8ab392675669f1b9d525038718eb373551c1eb92c6a0614f761f530b6d3d89494

  • SSDEEP

    98304:W7uPa0ZYvLIeYhNxymob1uFrtPel40h6YcQuZK8I:F6vLIZjHyuFZGeK6YcQd8I

Malware Config

Targets

    • Target

      b2ef050eef6c730474fe76951e16a92088516696aac3a470ffbb2ce39511a847

    • Size

      4.1MB

    • MD5

      1b28b0e269502adc5fa4495993795431

    • SHA1

      6d58c12cbd9f78ab4e9383087b2165752046902c

    • SHA256

      b2ef050eef6c730474fe76951e16a92088516696aac3a470ffbb2ce39511a847

    • SHA512

      2c5e2cc9d9b95652ba463d814473e5b77fe0b202228315c8d39e32f0139079b8ab392675669f1b9d525038718eb373551c1eb92c6a0614f761f530b6d3d89494

    • SSDEEP

      98304:W7uPa0ZYvLIeYhNxymob1uFrtPel40h6YcQuZK8I:F6vLIZjHyuFZGeK6YcQd8I

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks