General

  • Target

    05bb26136e72fabecf3b3c703390f2d7f86f0546d8ecde1ccc7c1e2d37870564

  • Size

    718KB

  • Sample

    221127-m1b8sabf76

  • MD5

    971df28d45c29efa1f2eb9effb51e532

  • SHA1

    5dddea3fb298fb4beca0d08ba64c67b90f6832b7

  • SHA256

    05bb26136e72fabecf3b3c703390f2d7f86f0546d8ecde1ccc7c1e2d37870564

  • SHA512

    c1f308ff86c64c3efcc1a3b6170cc718486a845522953af9c7afa4ca14df2cad1b4d978a823610e1fbc8542b0c4e73c511b82e9ab59716ff5e3025711a6ec401

  • SSDEEP

    1536:9NhENNo2oa5pHwAVvu0IysOPv3YdI3EpCK+V5iR/yKoDn66XujshkGXE7rFKh:9gN5ogyJ0XgdsEIKlyKo26Jkj7rF

Malware Config

Targets

    • Target

      05bb26136e72fabecf3b3c703390f2d7f86f0546d8ecde1ccc7c1e2d37870564

    • Size

      718KB

    • MD5

      971df28d45c29efa1f2eb9effb51e532

    • SHA1

      5dddea3fb298fb4beca0d08ba64c67b90f6832b7

    • SHA256

      05bb26136e72fabecf3b3c703390f2d7f86f0546d8ecde1ccc7c1e2d37870564

    • SHA512

      c1f308ff86c64c3efcc1a3b6170cc718486a845522953af9c7afa4ca14df2cad1b4d978a823610e1fbc8542b0c4e73c511b82e9ab59716ff5e3025711a6ec401

    • SSDEEP

      1536:9NhENNo2oa5pHwAVvu0IysOPv3YdI3EpCK+V5iR/yKoDn66XujshkGXE7rFKh:9gN5ogyJ0XgdsEIKlyKo26Jkj7rF

    • 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

    • Executes dropped EXE

    • Sets file execution options in registry

    • UPX packed file

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

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks