General

  • Target

    701bd5b164e65f631c033fba21af6f15e3ceb4df923208406db073c095fb2cf5

  • Size

    4.1MB

  • Sample

    230819-nvacnshe44

  • MD5

    f55e21ec4f9fa261210177f1cb31f49c

  • SHA1

    64e499ba1207282d8315d9725d1468ebdcf2b363

  • SHA256

    701bd5b164e65f631c033fba21af6f15e3ceb4df923208406db073c095fb2cf5

  • SHA512

    1d3480c6f4b13346fe8103daa9791b4d58391e8ee43764c9cbb5ac27ea7e88b7f637d1ae9ca4723e9a8606cdae3c0c10a8a2808003cce82b91d0ae71597199a5

  • SSDEEP

    98304:CYAowcMv4jYmhKEyidtcU5upadz9OPRdgsWB6nJdsiB0VVP6I:CFcA4jYmjAQKPRdgsW8nfmVVF

Malware Config

Targets

    • Target

      701bd5b164e65f631c033fba21af6f15e3ceb4df923208406db073c095fb2cf5

    • Size

      4.1MB

    • MD5

      f55e21ec4f9fa261210177f1cb31f49c

    • SHA1

      64e499ba1207282d8315d9725d1468ebdcf2b363

    • SHA256

      701bd5b164e65f631c033fba21af6f15e3ceb4df923208406db073c095fb2cf5

    • SHA512

      1d3480c6f4b13346fe8103daa9791b4d58391e8ee43764c9cbb5ac27ea7e88b7f637d1ae9ca4723e9a8606cdae3c0c10a8a2808003cce82b91d0ae71597199a5

    • SSDEEP

      98304:CYAowcMv4jYmhKEyidtcU5upadz9OPRdgsWB6nJdsiB0VVP6I:CFcA4jYmjAQKPRdgsW8nfmVVF

    • 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

    • 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