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General

  • Target

    3a1bbf20b9491ae073f3fa1599b688c4087dbf0a640e9d07a47e545dc7d9c7e4

  • Size

    4.1MB

  • Sample

    240307-fgsyvsed79

  • MD5

    d17340d0eba6711bd4b7ed23dbf14092

  • SHA1

    c02cdc3dd96b0cbbd8af4de61d3d5bedc179261a

  • SHA256

    3a1bbf20b9491ae073f3fa1599b688c4087dbf0a640e9d07a47e545dc7d9c7e4

  • SHA512

    55a3ebb5ee05774c2717c4eb5b9eced85836d313809af499eba089a9b321232958ad013be362bfc80c0820d8c79d46e900d3d53e405ee6cf6bbdd7593225065d

  • SSDEEP

    98304:cXiKh1C4B55B6e+JvuzJueJrhbVWTmXefdMdq2:cSeC4X5UJ2zJueNnMqdL

Malware Config

Targets

    • Target

      3a1bbf20b9491ae073f3fa1599b688c4087dbf0a640e9d07a47e545dc7d9c7e4

    • Size

      4.1MB

    • MD5

      d17340d0eba6711bd4b7ed23dbf14092

    • SHA1

      c02cdc3dd96b0cbbd8af4de61d3d5bedc179261a

    • SHA256

      3a1bbf20b9491ae073f3fa1599b688c4087dbf0a640e9d07a47e545dc7d9c7e4

    • SHA512

      55a3ebb5ee05774c2717c4eb5b9eced85836d313809af499eba089a9b321232958ad013be362bfc80c0820d8c79d46e900d3d53e405ee6cf6bbdd7593225065d

    • SSDEEP

      98304:cXiKh1C4B55B6e+JvuzJueJrhbVWTmXefdMdq2:cSeC4X5UJ2zJueNnMqdL

    • 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