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General

  • Target

    Captures 11_20_2022 2_27_35 PM.png

  • Size

    49KB

  • Sample

    230423-yyd55sff29

  • MD5

    cd97df31e8b6369f44af07f815ceb244

  • SHA1

    7fe693c6cbb9a1e85d97df96cffe54b115965a7d

  • SHA256

    b32074cd4b1a1894d9cbcb0f9c0bfd2bf4f4dcfcecf9e16df8ffd6ce16171c6e

  • SHA512

    9c3e228732fe01b9e16229f672a6ca1ba866e23e73030149f398873d3f24282ed6aecdc8306e0d4e5737390ffca6021e8952cf95e077595d6b3b17250f4dded9

  • SSDEEP

    768:hK4TgDw/fo8VitC7SWnW9vDJlvmx1kSj98eHgFx1RMHO1ZGiahDpncyKRM:IwnoitnaNlvQxhg72O1Zpkpnc8

Malware Config

Targets

    • Target

      Captures 11_20_2022 2_27_35 PM.png

    • Size

      49KB

    • MD5

      cd97df31e8b6369f44af07f815ceb244

    • SHA1

      7fe693c6cbb9a1e85d97df96cffe54b115965a7d

    • SHA256

      b32074cd4b1a1894d9cbcb0f9c0bfd2bf4f4dcfcecf9e16df8ffd6ce16171c6e

    • SHA512

      9c3e228732fe01b9e16229f672a6ca1ba866e23e73030149f398873d3f24282ed6aecdc8306e0d4e5737390ffca6021e8952cf95e077595d6b3b17250f4dded9

    • SSDEEP

      768:hK4TgDw/fo8VitC7SWnW9vDJlvmx1kSj98eHgFx1RMHO1ZGiahDpncyKRM:IwnoitnaNlvQxhg72O1Zpkpnc8

    • Detect jar appended to MSI

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Looks for VMWare Tools registry key

    • Looks for VMWare drivers on disk

    • Modifies Installed Components in the registry

    • Sets file execution options in registry

    • Sets service image path in registry

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Registers COM server for autorun

    • 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.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks