General

  • Target

    b66192b44f54b30665c4ccbc94c04c967871ac0393ada29fa80306a75c7d3c1e

  • Size

    4.2MB

  • Sample

    240418-22txjshd94

  • MD5

    1853a092e1502daffa7a2720ee79416e

  • SHA1

    251878bb735b3c5c17bd8577b2d59acfb41b3035

  • SHA256

    b66192b44f54b30665c4ccbc94c04c967871ac0393ada29fa80306a75c7d3c1e

  • SHA512

    facdaf1d4c3ef6207a53c4e4985639041480161a4b4ab7067445ee1bb6aa4846387c57567ba75d18d858e195750b500a86f65ac6a750809d838682ebe84d9781

  • SSDEEP

    98304:ZU4Iq03aI5N3yqqHwBEspKQ2DvCGo03KUue+Tz:rIh7By/QBEsp+2hnfz

Malware Config

Targets

    • Target

      b66192b44f54b30665c4ccbc94c04c967871ac0393ada29fa80306a75c7d3c1e

    • Size

      4.2MB

    • MD5

      1853a092e1502daffa7a2720ee79416e

    • SHA1

      251878bb735b3c5c17bd8577b2d59acfb41b3035

    • SHA256

      b66192b44f54b30665c4ccbc94c04c967871ac0393ada29fa80306a75c7d3c1e

    • SHA512

      facdaf1d4c3ef6207a53c4e4985639041480161a4b4ab7067445ee1bb6aa4846387c57567ba75d18d858e195750b500a86f65ac6a750809d838682ebe84d9781

    • SSDEEP

      98304:ZU4Iq03aI5N3yqqHwBEspKQ2DvCGo03KUue+Tz:rIh7By/QBEsp+2hnfz

    • 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