General

  • Target

    b07d6c41092c1256a896a2af9e83f7b7beb8f60a43f12fb476988c3169146184

  • Size

    4.1MB

  • Sample

    231013-apd7sahf73

  • MD5

    bf6cba365a0999113a5d674919193783

  • SHA1

    694d330de3fd5f3401e340998db9da1631e39738

  • SHA256

    b07d6c41092c1256a896a2af9e83f7b7beb8f60a43f12fb476988c3169146184

  • SHA512

    4ec9f8fd58321e861aa65c5d1948d8fd3985024e375818ce2cae24c0767dcf68a252a93bc17844c3b8e94994d21e205e1d2a3d5e4e79837feae8ea15cd1f5ed4

  • SSDEEP

    98304:nLGv/AOo6uxy8zripO9pQMkw6DDoFhwJZ0sRo40ggh:nCvooizcOJk1oFE0oo43gh

Malware Config

Targets

    • Target

      b07d6c41092c1256a896a2af9e83f7b7beb8f60a43f12fb476988c3169146184

    • Size

      4.1MB

    • MD5

      bf6cba365a0999113a5d674919193783

    • SHA1

      694d330de3fd5f3401e340998db9da1631e39738

    • SHA256

      b07d6c41092c1256a896a2af9e83f7b7beb8f60a43f12fb476988c3169146184

    • SHA512

      4ec9f8fd58321e861aa65c5d1948d8fd3985024e375818ce2cae24c0767dcf68a252a93bc17844c3b8e94994d21e205e1d2a3d5e4e79837feae8ea15cd1f5ed4

    • SSDEEP

      98304:nLGv/AOo6uxy8zripO9pQMkw6DDoFhwJZ0sRo40ggh:nCvooizcOJk1oFE0oo43gh

    • 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