Add sndbox

lists/automated-malware-analysis/list.json

@@ -33,6 +33,7 @@
     "undroid.av-comparatives.org",
     "sanddroid.xjtu.edu.cn",
     "jevereg.amnpardaz.com",
-    "analyze.intezer.com"
+    "analyze.intezer.com",
+    "app.sndbox.com"
   ]
 }