I think I solved, it was simpler than I thought
remove_action( 'woocommerce_before_shop_loop_item_title', 'woocommerce_template_loop_product_thumbnail', 10);
add_action( 'woocommerce_before_shop_loop_item_title', 'woocommerce_template_loop_product_thumbnail', 10);
/**
* WooCommerce Loop Product Thumbs
**/
if ( ! function_exists( 'woocommerce_template_loop_product_thumbnail' ) ) {
function woocommerce_template_loop_product_thumbnail() {
echo "<div class="wc-img-wrapper">";
echo woocommerce_get_product_thumbnail();
echo "</div>";
}
}