Extracted

• • Target

    0554fa5e8f910d1f8ade323076e0efe75dc00d357512976b667e28c6bc915e8a

  • Size

    32KB

  • MD5

    41a992c2e74797e76521dc86fba9d730

  • SHA1

    ffc0e7ca2b9ad263a325fd30e3e2bda867ec310b

  • SHA256

    0554fa5e8f910d1f8ade323076e0efe75dc00d357512976b667e28c6bc915e8a

  • SHA512

    8b2ea42d3ed6d14d67754c60d4784fdfad97c565e5d495dc3e68b26d762eca44e93c4e33a428494be7bc631ac4aeeff810ba16193ed6b24a327a540caba4fe04

  • SSDEEP

    768:r51WbPH59kgi2fKACIaFleZQWTGBxMLfb41CYR/9m:rHWbZltfjCHwQWT/81L

  Score

  10^/10

  jokerbootkitdiscoveryinfostealerpersistencetrojanupx

  • joker

    Joker is an Android malware that targets billing and SMS fraud.

    infostealertrojanjoker

  • Downloads MZ/PE file

  • Drops file in Drivers directory

  • Executes dropped EXE

  • Registers COM server for autorun

    persistence

  • Sets file execution options in registry

    persistence

  • Sets service image path in registry

    persistence

  • UPX packed file

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

    upx

  • Checks computer location settings

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

  • Deletes itself

  • Loads dropped DLL

  • Adds Run key to start application

    persistence

  • Checks installed software on the system

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery

  • Drops desktop.ini file(s)

  • 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.

    bootkitpersistence

  • Drops file in System32 directory

  behavioral1behavioral2