Duolingo[.]apk

General

Target

Duolingo.apk
Size

58.4MB
MD5

1bbcd0b16a61c625ada99aca4c68cbdc
SHA1

3fcf282bef0ae5e18e9a8fe20354eb3bcb61b79a
SHA256

4ea70f44c0262c9b6838fa400801203d5b01519e90da1eb5855d7715c85620f7
SHA512

e090a72dd6caa0fb6b860eae7a191cfa8257bcfba31c7948027afb5175fb20104432eba79c6fe42f97d9a07259cf539c816a496a9835c5b3203629d44815ce16
SSDEEP

1572864:sYoah9D6CeLu7jfVCvphWHuPONjCe4TafDZzn6DuF5x6xf+KlPa8:sYoahgNy7jfQvrWHGONj4OAj

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 arch:arm64 arch:arm arch:x86 arch:x64

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
android.permission.WAKE_LOCK
com.google.android.providers.gsf.permission.READ_GSERVICES
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_UPDATE_REQUESTED
com.duolingo.action.APPWIDGET_UI_UPDATE
android.appwidget.action.APPWIDGET_UPDATE
android.intent.action.MY_PACKAGE_REPLACED
android.intent.action.TIMEZONE_CHANGED

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

android.permission.WAKE_LOCK

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

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.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