/lib/systemd/system/runlevel5.target.wants/systemd-update-utmp-runlevel.service is in systemd 44-11+deb7u4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /lib/systemd/system/runlevel5.target.wants/../systemd-update-utmp-runlevel.service