Threema-Android-mirror/app/src/main/res/drawable/ic_outline_copy_all.xml

<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="24dp"
    android:height="24dp"
    android:viewportWidth="24"
    android:viewportHeight="24"
    android:tint="?attr/colorControlNormal">
  <path
      android:fillColor="@android:color/white"
      android:pathData="M18,2H9C7.9,2 7,2.9 7,4v12c0,1.1 0.9,2 2,2h9c1.1,0 2,-0.9 2,-2V4C20,2.9 19.1,2 18,2zM18,16H9V4h9V16zM3,15v-2h2v2H3zM3,9.5h2v2H3V9.5zM10,20h2v2h-2V20zM3,18.5v-2h2v2H3zM5,22c-1.1,0 -2,-0.9 -2,-2h2V22zM8.5,22h-2v-2h2V22zM13.5,22L13.5,22l0,-2h2v0C15.5,21.1 14.6,22 13.5,22zM5,6L5,6l0,2H3v0C3,6.9 3.9,6 5,6z"/>
</vector>