General

  • Target

    88fa41707d40dd951976e8e438c58d190207adc48c842620885da52af9a1044a

  • Size

    4.1MB

  • Sample

    231107-hgnegsec87

  • MD5

    a2ec3d1bb0384a3b4e45b9735dc0aa5c

  • SHA1

    ecd7bf0c91a75b892a9a7797d1ada18364921231

  • SHA256

    88fa41707d40dd951976e8e438c58d190207adc48c842620885da52af9a1044a

  • SHA512

    80bcfc521f074b089b84546ff27ccf422f9365f8814f7c76f12a831dedf1ffbe8dfc63042bc305d90873451bc67d670fe5d7327b146848c1001f133f00d48012

  • SSDEEP

    98304:9cp7SXxiABEnRcc6Fm5prQZxn92BPaVPHb5bYpjOuCT71kx0/iJ2Mse40:9gQ+3um5mZd94Pk10E577M80

Malware Config

Targets

    • Target

      88fa41707d40dd951976e8e438c58d190207adc48c842620885da52af9a1044a

    • Size

      4.1MB

    • MD5

      a2ec3d1bb0384a3b4e45b9735dc0aa5c

    • SHA1

      ecd7bf0c91a75b892a9a7797d1ada18364921231

    • SHA256

      88fa41707d40dd951976e8e438c58d190207adc48c842620885da52af9a1044a

    • SHA512

      80bcfc521f074b089b84546ff27ccf422f9365f8814f7c76f12a831dedf1ffbe8dfc63042bc305d90873451bc67d670fe5d7327b146848c1001f133f00d48012

    • SSDEEP

      98304:9cp7SXxiABEnRcc6Fm5prQZxn92BPaVPHb5bYpjOuCT71kx0/iJ2Mse40:9gQ+3um5mZd94Pk10E577M80

    • Glupteba

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

    • Glupteba payload

    • Modifies Windows Firewall

    • Executes dropped EXE

    • 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 v15

Tasks