diff --git a/mvt/ios/modules/backup/configuration_profiles.py b/mvt/ios/modules/backup/configuration_profiles.py
index 20159ca..1c89afa 100644
--- a/mvt/ios/modules/backup/configuration_profiles.py
+++ b/mvt/ios/modules/backup/configuration_profiles.py
@@ -1,3 +1,4 @@
+
 # Mobile Verification Toolkit (MVT)
 # Copyright (c) 2021 The MVT Project Authors.
 # Use of this software is governed by the MVT License 1.1 that can be found at
@@ -27,10 +28,21 @@ class ConfigurationProfiles(IOSExtraction):
                 continue
 
             with open(conf_file_path, "rb") as handle:
-                conf_plist = plistlib.load(handle)
+                try:
+                    conf_plist = plistlib.load(handle)
+                except:
+                    conf_plist = {}
 
             if "SignerCerts" in conf_plist:
                 conf_plist["SignerCerts"] = [b64encode(x) for x in conf_plist["SignerCerts"]]
+            if "PushTokenDataSentToServerKey" in conf_plist:
+               conf_plist["PushTokenDataSentToServerKey"] = b64encode(conf_plist["PushTokenDataSentToServerKey"])
+            if "LastPushTokenHash" in conf_plist:
+               conf_plist["LastPushTokenHash"] = b64encode(conf_plist["LastPushTokenHash"])
+            if "PayloadContent" in conf_plist:
+               for x in range(len(conf_plist["PayloadContent"])):
+                   if "PERSISTENT_REF" in conf_plist["PayloadContent"]:
+                       conf_plist["PayloadContent"][x]["PERSISTENT_REF"] = b64encode(conf_plist["PayloadContent"][x]["PERSISTENT_REF"])
 
             self.results.append({
                 "file_id": conf_file["file_id"],
@@ -39,4 +51,4 @@ class ConfigurationProfiles(IOSExtraction):
                 "plist": conf_plist,
             })
 
-        self.log.info("Extracted details about %d configuration profiles", len(self.results))
+        self.log.info("Extracted details about %d configuration profiles", len(self.results))
\ No newline at end of file