Duolingo[.]apk

General

Target

Duolingo.apk
Size

62.2MB
MD5

da0180bc8e710c315e74fe6708678ae4
SHA1

8582846adce213f0d5c6004ed752012b185e721a
SHA256

17345f43864fc66bf5d175467f8bf5806ebbd79285854883dd602a82992f9f86
SHA512

2157f6bf38f2b3e339e24ac18e7764021c8c05b69584aa6926aeefbf6b061a83f6653c28b19972468aef333b8d32169e9c4c694310b3c86ddb59a9eddcab185a
SSDEEP

786432:CUGXgGoP3kX6bxX8X9KKAU106zev7C+Wu9NiySxtxB+Ol0/4WZ:CxXNIb58yWVev++Wu9NiySxtxB+OlO

Score

6^/10

Malware Config

Signatures

Requests dangerous framework permissions 6 IoCs

description	ioc
Allows access to the list of accounts in the Accounts Service.	android.permission.GET_ACCOUNTS
Allows an application to record audio.	android.permission.RECORD_AUDIO
Allows an app to post notifications.	android.permission.POST_NOTIFICATIONS
Allows an application to read image files from external storage.	android.permission.READ_MEDIA_IMAGES
Allows an application to read from external storage.	android.permission.READ_EXTERNAL_STORAGE
Allows an application to read the user's contacts data.	android.permission.READ_CONTACTS

Files

Duolingo.apk
.apk android

com.duolingo

com.duolingo.core.util.facebook.PlayFacebookUtils$WrapperActivity

Activities

com.duolingo.splash.LaunchActivity

android.intent.action.VIEW
android.intent.action.VIEW
android.intent.action.VIEW
android.intent.action.VIEW

com.facebook.CustomTabActivity

android.intent.action.VIEW

Permissions

android.permission.INTERNET
android.permission.ACCESS_NETWORK_STATE
android.permission.FOREGROUND_SERVICE
android.permission.VIBRATE
android.permission.GET_ACCOUNTS
android.permission.RECORD_AUDIO
android.permission.POST_NOTIFICATIONS
android.permission.READ_MEDIA_IMAGES
android.permission.READ_EXTERNAL_STORAGE
android.permission.READ_CONTACTS
com.google.android.c2dm.permission.RECEIVE
com.google.android.gms.permission.AD_ID
com.android.vending.BILLING
android.permission.WAKE_LOCK
com.google.android.providers.gsf.permission.READ_GSERVICES
android.permission.ACCESS_ADSERVICES_AD_ID
android.permission.ACCESS_ADSERVICES_ATTRIBUTION
android.permission.ACCESS_ADSERVICES_TOPICS
com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
com.duolingo.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
com.sec.android.provider.badge.permission.READ
com.sec.android.provider.badge.permission.WRITE
com.htc.launcher.permission.READ_SETTINGS
com.htc.launcher.permission.UPDATE_SHORTCUT
com.sonyericsson.home.permission.BROADCAST_BADGE
com.sonymobile.home.permission.PROVIDER_INSERT_BADGE
com.anddoes.launcher.permission.UPDATE_COUNT
com.majeur.launcher.permission.UPDATE_BADGE
com.huawei.android.launcher.permission.CHANGE_BADGE
com.huawei.android.launcher.permission.READ_SETTINGS
com.huawei.android.launcher.permission.WRITE_SETTINGS
android.permission.READ_APP_BADGE
com.oppo.launcher.permission.READ_SETTINGS
com.oppo.launcher.permission.WRITE_SETTINGS
me.everything.badger.permission.BADGE_COUNT_READ
me.everything.badger.permission.BADGE_COUNT_WRITE

Receivers

com.duolingo.streak.streakWidget.StreakWidgetProvider

com.duolingo.action.APPWIDGET_UI_UPDATE
android.appwidget.action.APPWIDGET_UPDATE

com.duolingo.streak.streakWidget.MediumStreakWidgetProvider

android.appwidget.action.APPWIDGET_UPDATE
com.duolingo.action.APPWIDGET_UI_UPDATE

com.duolingo.streak.streakWidget.StreakWidgetUpdateBroadcastReceiver

com.duolingo.action.APPWIDGET_UPDATE_REQUESTED
android.intent.action.MY_PACKAGE_REPLACED
android.intent.action.TIMEZONE_CHANGED

zendesk.support.DeepLinkingBroadcastReceiver

zendesk.support

com.google.firebase.iid.FirebaseInstanceIdReceiver

com.google.android.c2dm.intent.RECEIVE

androidx.work.impl.background.systemalarm.ConstraintProxy$BatteryChargingProxy

android.intent.action.ACTION_POWER_CONNECTED
android.intent.action.ACTION_POWER_DISCONNECTED

androidx.work.impl.background.systemalarm.ConstraintProxy$BatteryNotLowProxy

android.intent.action.BATTERY_OKAY
android.intent.action.BATTERY_LOW

androidx.work.impl.background.systemalarm.ConstraintProxy$StorageNotLowProxy

android.intent.action.DEVICE_STORAGE_LOW
android.intent.action.DEVICE_STORAGE_OK

androidx.work.impl.background.systemalarm.ConstraintProxy$NetworkStateProxy

android.net.conn.CONNECTIVITY_CHANGE

androidx.work.impl.background.systemalarm.RescheduleReceiver

android.intent.action.BOOT_COMPLETED
android.intent.action.TIME_SET
android.intent.action.TIMEZONE_CHANGED

androidx.work.impl.background.systemalarm.ConstraintProxyUpdateReceiver

androidx.work.impl.background.systemalarm.UpdateProxies

androidx.work.impl.diagnostics.DiagnosticsReceiver

androidx.work.diagnostics.REQUEST_DIAGNOSTICS

com.facebook.CurrentAccessTokenExpirationBroadcastReceiver

com.facebook.sdk.ACTION_CURRENT_ACCESS_TOKEN_CHANGED

com.facebook.AuthenticationTokenManager$CurrentAuthenticationTokenChangedBroadcastReceiver

com.facebook.sdk.ACTION_CURRENT_AUTHENTICATION_TOKEN_CHANGED

androidx.profileinstaller.ProfileInstallReceiver

androidx.profileinstaller.action.INSTALL_PROFILE
androidx.profileinstaller.action.SKIP_FILE
androidx.profileinstaller.action.SAVE_PROFILE
androidx.profileinstaller.action.BENCHMARK_OPERATION

Services

com.duolingo.notifications.FcmIntentService

com.google.firebase.MESSAGING_EVENT

com.duolingo.notifications.NotificationIntentService

com.duolingo.action.FOLLOW_BACK
com.duolingo.action.REMIND_LATER
com.duolingo.action.PRACTICE_LATER_ALARM
com.duolingo.action.PRACTICE_ALARM

com.duolingo.core.account.AccountService

android.accounts.AccountAuthenticator

com.google.firebase.messaging.FirebaseMessagingService

com.google.firebase.MESSAGING_EVENT

Android Permissions

Duolingo.apk

Permissions

android.permission.INTERNET

android.permission.ACCESS_NETWORK_STATE

android.permission.FOREGROUND_SERVICE

android.permission.VIBRATE

android.permission.GET_ACCOUNTS

android.permission.RECORD_AUDIO

android.permission.POST_NOTIFICATIONS

android.permission.READ_MEDIA_IMAGES

android.permission.READ_EXTERNAL_STORAGE

android.permission.READ_CONTACTS

com.google.android.c2dm.permission.RECEIVE

com.google.android.gms.permission.AD_ID

com.android.vending.BILLING

android.permission.WAKE_LOCK

com.google.android.providers.gsf.permission.READ_GSERVICES

android.permission.ACCESS_ADSERVICES_AD_ID

android.permission.ACCESS_ADSERVICES_ATTRIBUTION

android.permission.ACCESS_ADSERVICES_TOPICS

com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE

com.duolingo.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

com.sec.android.provider.badge.permission.READ

com.sec.android.provider.badge.permission.WRITE

com.htc.launcher.permission.READ_SETTINGS

com.htc.launcher.permission.UPDATE_SHORTCUT

com.sonyericsson.home.permission.BROADCAST_BADGE

com.sonymobile.home.permission.PROVIDER_INSERT_BADGE

com.anddoes.launcher.permission.UPDATE_COUNT

com.majeur.launcher.permission.UPDATE_BADGE

com.huawei.android.launcher.permission.CHANGE_BADGE

com.huawei.android.launcher.permission.READ_SETTINGS

com.huawei.android.launcher.permission.WRITE_SETTINGS

android.permission.READ_APP_BADGE

com.oppo.launcher.permission.READ_SETTINGS

com.oppo.launcher.permission.WRITE_SETTINGS

me.everything.badger.permission.BADGE_COUNT_READ

me.everything.badger.permission.BADGE_COUNT_WRITE

Sharing

General

Malware Config

Signatures

Files

com.duolingo

com.duolingo.core.util.facebook.PlayFacebookUtils$WrapperActivity

Activities

com.duolingo.splash.LaunchActivity

com.facebook.CustomTabActivity

Permissions

Receivers

com.duolingo.streak.streakWidget.StreakWidgetProvider

com.duolingo.streak.streakWidget.MediumStreakWidgetProvider

com.duolingo.streak.streakWidget.StreakWidgetUpdateBroadcastReceiver

zendesk.support.DeepLinkingBroadcastReceiver

com.google.firebase.iid.FirebaseInstanceIdReceiver

androidx.work.impl.background.systemalarm.ConstraintProxy$BatteryChargingProxy

androidx.work.impl.background.systemalarm.ConstraintProxy$BatteryNotLowProxy

androidx.work.impl.background.systemalarm.ConstraintProxy$StorageNotLowProxy

androidx.work.impl.background.systemalarm.ConstraintProxy$NetworkStateProxy

androidx.work.impl.background.systemalarm.RescheduleReceiver

androidx.work.impl.background.systemalarm.ConstraintProxyUpdateReceiver

androidx.work.impl.diagnostics.DiagnosticsReceiver

com.facebook.CurrentAccessTokenExpirationBroadcastReceiver

com.facebook.AuthenticationTokenManager$CurrentAuthenticationTokenChangedBroadcastReceiver

androidx.profileinstaller.ProfileInstallReceiver

Services

com.duolingo.notifications.FcmIntentService

com.duolingo.notifications.NotificationIntentService

com.duolingo.core.account.AccountService

com.google.firebase.messaging.FirebaseMessagingService

Android Permissions

Duolingo.apk