General

  • Target

    b237bc4a4828d9fb56a7b0b80ce261372b50033906c858093b7bceb5ebcde58e

  • Size

    4.1MB

  • Sample

    240516-3wnc9afd26

  • MD5

    eec30ce05984a015b77563e5f0e7f8a4

  • SHA1

    29afbb17487abfff659471b7ce241dc2865dffc4

  • SHA256

    b237bc4a4828d9fb56a7b0b80ce261372b50033906c858093b7bceb5ebcde58e

  • SHA512

    5a6afea3bb809e4018e50a5dc302558951201f5cbad90f5bbcb87e93f68eac9d580afb1ad8ebc184d7390d0b939628a9ac2ae6989997ddaa25ecedec528aa5b2

  • SSDEEP

    98304:oGnSBwQ9juGdctRKF63fbBgevgqlIoRfv+0iKuUn4fGC:JgwQs9tRK43TBxgxoRH+0igngGC

Malware Config

Targets

    • Target

      b237bc4a4828d9fb56a7b0b80ce261372b50033906c858093b7bceb5ebcde58e

    • Size

      4.1MB

    • MD5

      eec30ce05984a015b77563e5f0e7f8a4

    • SHA1

      29afbb17487abfff659471b7ce241dc2865dffc4

    • SHA256

      b237bc4a4828d9fb56a7b0b80ce261372b50033906c858093b7bceb5ebcde58e

    • SHA512

      5a6afea3bb809e4018e50a5dc302558951201f5cbad90f5bbcb87e93f68eac9d580afb1ad8ebc184d7390d0b939628a9ac2ae6989997ddaa25ecedec528aa5b2

    • SSDEEP

      98304:oGnSBwQ9juGdctRKF63fbBgevgqlIoRfv+0iKuUn4fGC:JgwQs9tRK43TBxgxoRH+0igngGC

    • 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