General

  • Target

    50fa3d03f07affbdf9d93e5b6dac28b840b83fc191ea289f983654744d8d1f60

  • Size

    4.2MB

  • Sample

    240418-2kclyahh2w

  • MD5

    fd997c7e1b0d45190081b1b504e64171

  • SHA1

    7050d7e10a1670578370402be30b669c3702992d

  • SHA256

    50fa3d03f07affbdf9d93e5b6dac28b840b83fc191ea289f983654744d8d1f60

  • SHA512

    ac72c3032c44da0e1ca020d8dfa0392d0efea9fa671216e69dd082a666109922c56d0dcba3535a5a1299a987be6c6e534b27e2db9693625a079d6aab9e1d1cfe

  • SSDEEP

    98304:7sWc8naSrBchbGtEv0JHIgMwpxxX5hi9ihYSp8H7:QPUzBrIgMADi28

Malware Config

Targets

    • Target

      50fa3d03f07affbdf9d93e5b6dac28b840b83fc191ea289f983654744d8d1f60

    • Size

      4.2MB

    • MD5

      fd997c7e1b0d45190081b1b504e64171

    • SHA1

      7050d7e10a1670578370402be30b669c3702992d

    • SHA256

      50fa3d03f07affbdf9d93e5b6dac28b840b83fc191ea289f983654744d8d1f60

    • SHA512

      ac72c3032c44da0e1ca020d8dfa0392d0efea9fa671216e69dd082a666109922c56d0dcba3535a5a1299a987be6c6e534b27e2db9693625a079d6aab9e1d1cfe

    • SSDEEP

      98304:7sWc8naSrBchbGtEv0JHIgMwpxxX5hi9ihYSp8H7:QPUzBrIgMADi28

    • 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