/usr/share/icons/gnome-brave/scalable/apps/ is in gnome-brave-icon-theme 5.5.1-2ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/icons/gnome-brave/scalable/apps/Thunar.svg
/usr/share/icons/gnome-brave/scalable/apps/alacarte.svg
/usr/share/icons/gnome-brave/scalable/apps/application-x-remote-connection.svg
/usr/share/icons/gnome-brave/scalable/apps/application-x-vnc.svg
/usr/share/icons/gnome-brave/scalable/apps/compiz.svg
/usr/share/icons/gnome-brave/scalable/apps/drakmenustyle.svg
/usr/share/icons/gnome-brave/scalable/apps/file-manager.svg
/usr/share/icons/gnome-brave/scalable/apps/fusion-icon.svg
/usr/share/icons/gnome-brave/scalable/apps/gnome-gmenu.svg
/usr/share/icons/gnome-brave/scalable/apps/gnome-mime-application-x-remote-connection.svg
/usr/share/icons/gnome-brave/scalable/apps/gnome-mime-application-x-vnc.svg
/usr/share/icons/gnome-brave/scalable/apps/gnome-panel-workspace-switcher.svg
/usr/share/icons/gnome-brave/scalable/apps/gnome-remote-desktop.svg
/usr/share/icons/gnome-brave/scalable/apps/gnome-workspace.svg
/usr/share/icons/gnome-brave/scalable/apps/kfm.svg
/usr/share/icons/gnome-brave/scalable/apps/krfb
/usr/share/icons/gnome-brave/scalable/apps/menu-editor.svg
/usr/share/icons/gnome-brave/scalable/apps/nautilus.svg
/usr/share/icons/gnome-brave/scalable/apps/pcmanfm.svg
/usr/share/icons/gnome-brave/scalable/apps/preferences-desktop-remote-desktop.svg
/usr/share/icons/gnome-brave/scalable/apps/redhat-filemanager.svg
/usr/share/icons/gnome-brave/scalable/apps/system-file-manager.svg
/usr/share/icons/gnome-brave/scalable/apps/tightvnc
/usr/share/icons/gnome-brave/scalable/apps/tsclient
/usr/share/icons/gnome-brave/scalable/apps/vinagre.svg
/usr/share/icons/gnome-brave/scalable/apps/workspace-switcher.svg
/usr/share/icons/gnome-brave/scalable/apps/xfce-filemanager.svg
/usr/share/icons/gnome-brave/scalable/apps/xfce4-menueditor.svg
/usr/share/icons/gnome-brave/scalable/apps/xfce4-workspaces.svg