General

  • Target

    91deee0e5954ec7a7fa5505d7f9c97c7e347df379758691fb1a390969b0328d3

  • Size

    4.1MB

  • Sample

    240516-3n66dsef8s

  • MD5

    012479b31d8e8d4cc1e99c950dd0f77d

  • SHA1

    2d26e7ae6c0cbb1a66e95f35b2f6ede0835d765b

  • SHA256

    91deee0e5954ec7a7fa5505d7f9c97c7e347df379758691fb1a390969b0328d3

  • SHA512

    ce6b1e32007d841dac8b7478c21f336dfe5e64dcdb8e9df37902a29eef70af9e65801ee10b91cd33eada06a4965ddc0b9eaa25006e49b240a7c8461c86a9b358

  • SSDEEP

    49152:P7QmEbcqaZzGq8QcqWQjVg2jH5kShpuw/ycY+0yIq1wyJFXQ2nyEuQGmme:jWbHa59Z7dviShpLY7RCwkXQ2n5oe

Malware Config

Targets

    • Target

      91deee0e5954ec7a7fa5505d7f9c97c7e347df379758691fb1a390969b0328d3

    • Size

      4.1MB

    • MD5

      012479b31d8e8d4cc1e99c950dd0f77d

    • SHA1

      2d26e7ae6c0cbb1a66e95f35b2f6ede0835d765b

    • SHA256

      91deee0e5954ec7a7fa5505d7f9c97c7e347df379758691fb1a390969b0328d3

    • SHA512

      ce6b1e32007d841dac8b7478c21f336dfe5e64dcdb8e9df37902a29eef70af9e65801ee10b91cd33eada06a4965ddc0b9eaa25006e49b240a7c8461c86a9b358

    • SSDEEP

      49152:P7QmEbcqaZzGq8QcqWQjVg2jH5kShpuw/ycY+0yIq1wyJFXQ2nyEuQGmme:jWbHa59Z7dviShpLY7RCwkXQ2n5oe

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • 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 WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • 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