General

  • Target

    855f7746b7fc7ea2de83cd6c800c8b7e29c4eb6ad7271e064c0c06cdbcc016ee

  • Size

    4.2MB

  • Sample

    231003-k4jqxsbd83

  • MD5

    b277d26ed53d3f4713f0fcc454a81d48

  • SHA1

    2507652c8b12ae5052eee3bbb5a56fbd9ffae424

  • SHA256

    855f7746b7fc7ea2de83cd6c800c8b7e29c4eb6ad7271e064c0c06cdbcc016ee

  • SHA512

    7fa67dc33c377b73a7b24a5ff0b2528bcf6a34b6be7859e029e191b9d4785ac31a420d79672c9b52ba6c9401b90863d9442c074791fc5ba36eb85382eae05f33

  • SSDEEP

    98304:IMXW9xFhF1uQmDdbv5NleFWRJn+be40jKf+3KaaEdet0Y4K78h+O:XXW/V1uDDdbvJRUqofAKKdet0Yn78V

Malware Config

Targets

    • Target

      855f7746b7fc7ea2de83cd6c800c8b7e29c4eb6ad7271e064c0c06cdbcc016ee

    • Size

      4.2MB

    • MD5

      b277d26ed53d3f4713f0fcc454a81d48

    • SHA1

      2507652c8b12ae5052eee3bbb5a56fbd9ffae424

    • SHA256

      855f7746b7fc7ea2de83cd6c800c8b7e29c4eb6ad7271e064c0c06cdbcc016ee

    • SHA512

      7fa67dc33c377b73a7b24a5ff0b2528bcf6a34b6be7859e029e191b9d4785ac31a420d79672c9b52ba6c9401b90863d9442c074791fc5ba36eb85382eae05f33

    • SSDEEP

      98304:IMXW9xFhF1uQmDdbv5NleFWRJn+be40jKf+3KaaEdet0Y4K78h+O:XXW/V1uDDdbvJRUqofAKKdet0Yn78V

    • Glupteba

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

    • Glupteba payload

    • Windows security bypass

    • Modifies Windows Firewall

    • Executes dropped EXE

    • 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