/usr/mips-linux-gnu/lib64/ld.so.1 is in libc6-mips64-mips-cross 2.24-10cross1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/mips-linux-gnu/lib64/ld-2.24.so
/usr/mips-linux-gnu/lib64/ld-2.24.so