General

  • Target

    4825429a0db4144200e5ec0f802461ae_JaffaCakes118

  • Size

    1.3MB

  • Sample

    240515-1fysyade34

  • MD5

    4825429a0db4144200e5ec0f802461ae

  • SHA1

    f4eef5a4af0334a178fa7d4b64a3db0846c4423d

  • SHA256

    c2326d204d5f895fdad0d50b44181c618c152d71304865644d1b4ed6f07aa76c

  • SHA512

    7683909b6f455292cbc1edcb9150b944d3c13e774d9d101cce1419d16de3ef6f9b0d552f213b9cf5d1774b4045a1cc0fad67aa5bc1204909d6e245fc709ca7be

  • SSDEEP

    3072:Cqu7aslM9lhLElGtSIs48417nFdcQ4FdHLDC62ftO:Cqr

Malware Config

Targets

    • Target

      4825429a0db4144200e5ec0f802461ae_JaffaCakes118

    • Size

      1.3MB

    • MD5

      4825429a0db4144200e5ec0f802461ae

    • SHA1

      f4eef5a4af0334a178fa7d4b64a3db0846c4423d

    • SHA256

      c2326d204d5f895fdad0d50b44181c618c152d71304865644d1b4ed6f07aa76c

    • SHA512

      7683909b6f455292cbc1edcb9150b944d3c13e774d9d101cce1419d16de3ef6f9b0d552f213b9cf5d1774b4045a1cc0fad67aa5bc1204909d6e245fc709ca7be

    • SSDEEP

      3072:Cqu7aslM9lhLElGtSIs48417nFdcQ4FdHLDC62ftO:Cqr

    • Modifies firewall policy service

    • Modifies security service

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • UAC bypass

    • Windows security bypass

    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • Sets file execution options 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Windows security modification

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks