General

  • Target

    48b23638bef80649eb158790907b45ecac86740f76577e2523cee690947e17cd

  • Size

    771KB

  • Sample

    231121-ztkmsshd2y

  • MD5

    10fc57c39de618c64ca1804dc4d1cf29

  • SHA1

    4527f645e8391665f9a8d78e905954edf431c8fa

  • SHA256

    48b23638bef80649eb158790907b45ecac86740f76577e2523cee690947e17cd

  • SHA512

    2dba63476243c70feee3554d0b2bc67b0b097f4aae68734a7c6ca1fb746f4f15980b9b866789470c8c275589aa7009fb3842d8fdb485c05de0d33f8e1525c47d

  • SSDEEP

    12288:U761vvrXBDZZmDmSh7SHSjX4z4ZV4kzI6OcGfAkx4tOF6j+Z:U7qvrXo7ZNX4z4YbcGfAkx4tNE

Malware Config

Targets

    • Target

      48b23638bef80649eb158790907b45ecac86740f76577e2523cee690947e17cd

    • Size

      771KB

    • MD5

      10fc57c39de618c64ca1804dc4d1cf29

    • SHA1

      4527f645e8391665f9a8d78e905954edf431c8fa

    • SHA256

      48b23638bef80649eb158790907b45ecac86740f76577e2523cee690947e17cd

    • SHA512

      2dba63476243c70feee3554d0b2bc67b0b097f4aae68734a7c6ca1fb746f4f15980b9b866789470c8c275589aa7009fb3842d8fdb485c05de0d33f8e1525c47d

    • SSDEEP

      12288:U761vvrXBDZZmDmSh7SHSjX4z4ZV4kzI6OcGfAkx4tOF6j+Z:U7qvrXo7ZNX4z4YbcGfAkx4tNE

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Installed Components in the registry

    • Modifies Windows Firewall

    • 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

    • Modifies system executable filetype association

    • Registers COM server for autorun

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Enumerates connected drives

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks