General

  • Target

    787c0846588426faff52f2562568b4807677d44355fa756d47a26af8f453c49e

  • Size

    4.1MB

  • Sample

    240516-3fbphsec52

  • MD5

    20c8e4a11cbfef76463b31fe1b8ace85

  • SHA1

    20fae8333f0ae91958853b926aaf5078cc734cd9

  • SHA256

    787c0846588426faff52f2562568b4807677d44355fa756d47a26af8f453c49e

  • SHA512

    b3fd3ee1dd4e920bd5be90be8400966e20a21ccd8b31da576246c0b1dd3b175cc415fc3f899d7b8c605e9a4c026eb200b2288934f7ea3bb08873b9738182a64f

  • SSDEEP

    49152:PfnInHQDK0wlO9rfJPTTANkdvq5+Duji334xe6X5+X6+m4ZNLcl7ubrDe/c0eSCX:ERCfJXOkdCGujW3ocq+CWmE2BmkIV7Wc

Malware Config

Targets

    • Target

      787c0846588426faff52f2562568b4807677d44355fa756d47a26af8f453c49e

    • Size

      4.1MB

    • MD5

      20c8e4a11cbfef76463b31fe1b8ace85

    • SHA1

      20fae8333f0ae91958853b926aaf5078cc734cd9

    • SHA256

      787c0846588426faff52f2562568b4807677d44355fa756d47a26af8f453c49e

    • SHA512

      b3fd3ee1dd4e920bd5be90be8400966e20a21ccd8b31da576246c0b1dd3b175cc415fc3f899d7b8c605e9a4c026eb200b2288934f7ea3bb08873b9738182a64f

    • SSDEEP

      49152:PfnInHQDK0wlO9rfJPTTANkdvq5+Duji334xe6X5+X6+m4ZNLcl7ubrDe/c0eSCX:ERCfJXOkdCGujW3ocq+CWmE2BmkIV7Wc

    • 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