General

  • Target

    50cb7d9709e12a2d1999c18c5d23739cab01ecfcd5863cd4b3c6a7c023c8a261

  • Size

    4.1MB

  • Sample

    231113-msjb5acb5v

  • MD5

    e648ac440f9231b895c5831335602041

  • SHA1

    6e8e73bd8d17b56cb907539d319492f7f8cfe313

  • SHA256

    50cb7d9709e12a2d1999c18c5d23739cab01ecfcd5863cd4b3c6a7c023c8a261

  • SHA512

    e29d24766fe4ca4259c5c76b43f13ec8119d0edf1899cb3ca994cd47ba96c6af6241974e80373a8277b63c3d5331f7aee8f3e3f40efac144f6aa6e3c32d434fb

  • SSDEEP

    98304:l2ZIGA1T7oyz00rMTuY9Tg4EWKl5r1M2TRZU2:l2ZIdTcy5Y9k4fO5M29

Malware Config

Targets

    • Target

      50cb7d9709e12a2d1999c18c5d23739cab01ecfcd5863cd4b3c6a7c023c8a261

    • Size

      4.1MB

    • MD5

      e648ac440f9231b895c5831335602041

    • SHA1

      6e8e73bd8d17b56cb907539d319492f7f8cfe313

    • SHA256

      50cb7d9709e12a2d1999c18c5d23739cab01ecfcd5863cd4b3c6a7c023c8a261

    • SHA512

      e29d24766fe4ca4259c5c76b43f13ec8119d0edf1899cb3ca994cd47ba96c6af6241974e80373a8277b63c3d5331f7aee8f3e3f40efac144f6aa6e3c32d434fb

    • SSDEEP

      98304:l2ZIGA1T7oyz00rMTuY9Tg4EWKl5r1M2TRZU2:l2ZIdTcy5Y9k4fO5M29

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • Modifies Windows Firewall

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Windows security modification

    • 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