-> "Upon installation (from a third party store, not Google Play Store), the device gets registered with the Firebase Command and Control (C&C) with details such as the presence or absence of WhatsApp, battery percentage, storage stats, the token received from the Firebase messaging service, and the type of internet connection. "
It isn't hard to find similar reports, there are enough of them.
https://blog.zimperium.com/new-advanced-android-malware-posi...
-> "Upon installation (from a third party store, not Google Play Store), the device gets registered with the Firebase Command and Control (C&C) with details such as the presence or absence of WhatsApp, battery percentage, storage stats, the token received from the Firebase messaging service, and the type of internet connection. "
It isn't hard to find similar reports, there are enough of them.