/usr/bin/mono-symbolicate is in mono-devel 4.6.2.7+dfsg-1ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 | #!/bin/sh
exec /usr/bin/mono $MONO_OPTIONS /usr/lib/mono/4.5/mono-symbolicate.exe "$@"
|