Insights
This blog has been taken from Malcore’s analysis results. The points below are not an exhaustive list. For a full view of Malcore’s static analysis of the Chase Banking App APK view it on Malcore.
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Discovered Trackers
Google CrashLytics
High severity warnings from code analysis
Insecure Implementation of SSL. Trusting all the certificates or accepting self signed certificates is a critical Security Hole. This application is vulnerable to MITM attacks
App uses SQLite Database and execute raw SQL query. Untrusted user input in raw SQL queries can cause SQL Injection. Also sensitive information should be encrypted and written to the database.
App can read/write to External Storage. Any App can read data written to External Storage.
The App uses an insecure Random Number Generator.
Files may contain hardcoded sensitive informations like usernames, passwords, keys etc.
This App has capabilities to prevent against Screenshots from Recent Task History/ Now On Tap etc.
App creates temp file. Sensitive information should never be written into a temp file.
Suspicious severity warnings from code analysis
Application attempts to discover build version of device
Dangerous Labelled permissions from Android
Permissions which Android’s developers have labelled as “Dangerous”, per the documentation available here, are listed below.
Name: ACCESS_COARSE_LOCATION
Description: Access coarse location sources, such as the mobile network database, to determine an approximate phone location, where available. Malicious applications can use this to determine approximately where you are.
Name: QUERY_ALL_PACKAGES
Description: Allows query of any normal app on the device, regardless of manifest declarations.
Name: BLUETOOTH
Description: Allows an application to view configuration of the local Bluetooth phone and to make and accept connections with paired devices.
Name: BLUETOOTH_ADMIN
Description: Allows an application to configure the local Bluetooth phone and to discover and pair with remote devices.
Name: NFC
Description: Allows an application to communicate with Near-Field Communication (NFC) tags, cards and readers.
Name: ACCESS_FINE_LOCATION
Description: Access fine location sources, such as the Global Positioning System on the phone, where available. Malicious applications can use this to determine where you are and may consume additional battery power.
Name: REORDER_TASKS
Description: Allows an application to move tasks to the foreground and background. Malicious applications can force themselves to the front without your control.
Name: ACCESS_NETWORK_STATE
Description: Allows an application to view the status of all networks.
Name: READ_CONTACTS
Description: Allows read access to the device's phone number(s). This is a subset of the capabilities granted by
Name: READ_EXTERNAL_STORAGE
Description: Allows an application to read from SD Card.
Name: RECORD_AUDIO
Description: Allows application to access the audio record path.
Name: CALL_PHONE
Description: Allows the application to call phone numbers without your intervention. Malicious applications may cause unexpected calls on your phone bill. Note that this does not allow the application to call emergency numbers.
Name: MODIFY_AUDIO_SETTINGS
Description: Allows application to modify global audio settings, such as volume and routing.
Name: WAKE_LOCK
Description: Allows an application to prevent the phone from going to sleep.
Name: CAMERA
Description: Allows application to take pictures and videos with the camera. This allows the application to collect images that the camera is seeing at any time.
Name: READ_CONTACTS
Description: Allows an application to read all of the contact (address) data stored on your phone. Malicious applications can use this to send your data to other people.
To view how these results compare within industry see our analysis:
To view how these scores are created visit our transparency post, below, where we published a description of our phone application threat scoring algorithm.