/usr/lib/libreoffice/share/basic/Euro/ is in libreoffice-common 1:3.5.2-2ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/libreoffice/share/basic/Euro/AutoPilotRun.xba
/usr/lib/libreoffice/share/basic/Euro/Common.xba
/usr/lib/libreoffice/share/basic/Euro/ConvertRun.xba
/usr/lib/libreoffice/share/basic/Euro/DlgConvert.xdl
/usr/lib/libreoffice/share/basic/Euro/DlgPassword.xdl
/usr/lib/libreoffice/share/basic/Euro/Hard.xba
/usr/lib/libreoffice/share/basic/Euro/Init.xba
/usr/lib/libreoffice/share/basic/Euro/Protect.xba
/usr/lib/libreoffice/share/basic/Euro/Soft.xba
/usr/lib/libreoffice/share/basic/Euro/Writer.xba
/usr/lib/libreoffice/share/basic/Euro/dialog.xlb
/usr/lib/libreoffice/share/basic/Euro/script.xlb