lett[.]apk | Triage

General

Target

lett.apk
Size

44.7MB
MD5

036726ad68fd9369bda6e30d7f5b32f6
SHA1

93f257b05126e7c28ae47f64543fcf7129f3bd5c
SHA256

6e1429822f2943bb208628bca15313d6758c2395f954fbb82087a12ed49bf54b
SHA512

138f58bcac996077b62eef3ff27d5ed46f841411c80a426f0c157a7d69fc9c46fdc7f51402f568d63a337efd638a69fe90c44c33dab4f33e4b1991abe3134547
SSDEEP

393216:HV5zIzzen6NWVC55NY0gCXASYbzPuh+ROU+dQ1FCauG/mcNHGuPjIgtU4XxaTYsd:15zIzKk0+dsCE/mcJjHajEjw

Score

6^/10

Malware Config

Signatures

Declares services with permission to bind to the system 2 IoCs

description	ioc
Required by remote views services to bind with the system. Allows apps to share and display views across different processes.	android.permission.BIND_REMOTEVIEWS
Required by remote views services to bind with the system. Allows apps to share and display views across different processes.	android.permission.BIND_REMOTEVIEWS

Requests dangerous framework permissions 3 IoCs

description	ioc
Required to be able to access the camera device.	android.permission.CAMERA
Allows an app to post notifications.	android.permission.POST_NOTIFICATIONS
Allows access to the list of accounts in the Accounts Service.	android.permission.GET_ACCOUNTS

Files

lett.apk
.apk android arch:arm64

com.quizlet.quizletandroid

com.quizlet.quizletandroid.ui.RootActivity

Activities

com.quizlet.quizletandroid.ui.RootActivity

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

com.quizlet.quizletandroid.ui.sharereceiver.ShareSheetReceiverActivity

android.intent.action.SEND
android.intent.action.SEND_MULTIPLE
android.intent.action.PROCESS_TEXT

com.quizlet.quizletandroid.ui.login.OldSignupActivity

android.intent.action.VIEW

com.quizlet.quizletandroid.ui.deeplinkinterstitial.DeepLinkInterstitialActivity

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

com.quizlet.quizletandroid.ui.search.SearchActivity

android.intent.action.SEARCH

com.google.android.gms.tagmanager.TagManagerPreviewActivity

android.intent.action.VIEW

com.facebook.CustomTabActivity

android.intent.action.VIEW

Permissions

android.permission.ACCESS_NETWORK_STATE
android.permission.ACCESS_WIFI_STATE
android.permission.INTERNET
android.permission.RECEIVE_BOOT_COMPLETED
android.permission.FOREGROUND_SERVICE
android.permission.CAMERA
android.permission.WAKE_LOCK
android.permission.POST_NOTIFICATIONS
android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK
android.permission.VIBRATE
android.permission.GET_ACCOUNTS
com.android.vending.BILLING
com.quizlet.quizletandroid.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
com.google.android.c2dm.permission.RECEIVE
com.google.android.gms.permission.AD_ID
com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
android.permission.ACCESS_ADSERVICES_ATTRIBUTION
android.permission.ACCESS_ADSERVICES_AD_ID
android.permission.ACCESS_ADSERVICES_TOPICS
com.samsung.android.mapsagent.permission.READ_APP_INFO
com.huawei.appmarket.service.commondata.permission.GET_COMMON_DATA

Receivers

com.quizlet.quizletandroid.receivers.CoppaCompliantAdwordsConversionTrackingInstallReceiver

com.android.vending.INSTALL_REFERRER

com.quizlet.quizletandroid.receivers.CoppaCompliantCampaignTrackingReceiver

com.android.vending.INSTALL_REFERRER

androidx.media.session.MediaButtonReceiver

android.intent.action.MEDIA_BUTTON

com.quizlet.quizletandroid.braze.receivers.BrazeNotificationBroadcastReceiver

com.braze.push.intent.NOTIFICATION_OPENED

com.quizlet.quizletandroid.ui.widgets.QuizletWidgetReceiver

android.appwidget.action.APPWIDGET_UPDATE

com.google.firebase.iid.FirebaseInstanceIdReceiver

com.google.android.c2dm.intent.RECEIVE

androidx.glance.appwidget.MyPackageReplacedReceiver

android.intent.action.MY_PACKAGE_REPLACED

com.facebook.CurrentAccessTokenExpirationBroadcastReceiver

com.facebook.sdk.ACTION_CURRENT_ACCESS_TOKEN_CHANGED

com.facebook.AuthenticationTokenManager$CurrentAuthenticationTokenChangedBroadcastReceiver

com.facebook.sdk.ACTION_CURRENT_AUTHENTICATION_TOKEN_CHANGED

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.braze.BrazeFlushPushDeliveryReceiver

com.braze.FLUSH_EVENTS

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.quizlet.quizletandroid.ui.studymodes.flashcards.autoplay.FlashcardsAutoplayService

android.intent.action.MEDIA_BUTTON

com.quizlet.quizletandroid.firebase.services.QuizletFirebaseMessagingService

com.google.firebase.MESSAGING_EVENT

com.google.android.gms.metadata.ModuleDependencies

com.google.android.gms.metadata.MODULE_DEPENDENCIES

com.google.firebase.messaging.FirebaseMessagingService

com.google.firebase.MESSAGING_EVENT

Android Permissions

lett.apk

Permissions

android.permission.ACCESS_NETWORK_STATE

android.permission.ACCESS_WIFI_STATE

android.permission.INTERNET

android.permission.RECEIVE_BOOT_COMPLETED

android.permission.FOREGROUND_SERVICE

android.permission.CAMERA

android.permission.WAKE_LOCK

android.permission.POST_NOTIFICATIONS

android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK

android.permission.VIBRATE

android.permission.GET_ACCOUNTS

com.android.vending.BILLING

com.quizlet.quizletandroid.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

com.google.android.c2dm.permission.RECEIVE

com.google.android.gms.permission.AD_ID

com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE

android.permission.ACCESS_ADSERVICES_ATTRIBUTION

android.permission.ACCESS_ADSERVICES_AD_ID

android.permission.ACCESS_ADSERVICES_TOPICS

com.samsung.android.mapsagent.permission.READ_APP_INFO

com.huawei.appmarket.service.commondata.permission.GET_COMMON_DATA

Sharing

General

Malware Config

Signatures

Files

com.quizlet.quizletandroid

com.quizlet.quizletandroid.ui.RootActivity

Activities

com.quizlet.quizletandroid.ui.RootActivity

com.quizlet.quizletandroid.ui.sharereceiver.ShareSheetReceiverActivity

com.quizlet.quizletandroid.ui.login.OldSignupActivity

com.quizlet.quizletandroid.ui.deeplinkinterstitial.DeepLinkInterstitialActivity

com.quizlet.quizletandroid.ui.search.SearchActivity

com.google.android.gms.tagmanager.TagManagerPreviewActivity

com.facebook.CustomTabActivity

Permissions

Receivers

com.quizlet.quizletandroid.receivers.CoppaCompliantAdwordsConversionTrackingInstallReceiver

com.quizlet.quizletandroid.receivers.CoppaCompliantCampaignTrackingReceiver

androidx.media.session.MediaButtonReceiver

com.quizlet.quizletandroid.braze.receivers.BrazeNotificationBroadcastReceiver

com.quizlet.quizletandroid.ui.widgets.QuizletWidgetReceiver

com.google.firebase.iid.FirebaseInstanceIdReceiver

androidx.glance.appwidget.MyPackageReplacedReceiver

com.facebook.CurrentAccessTokenExpirationBroadcastReceiver

com.facebook.AuthenticationTokenManager$CurrentAuthenticationTokenChangedBroadcastReceiver

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.braze.BrazeFlushPushDeliveryReceiver

androidx.profileinstaller.ProfileInstallReceiver

Services

com.quizlet.quizletandroid.ui.studymodes.flashcards.autoplay.FlashcardsAutoplayService

com.quizlet.quizletandroid.firebase.services.QuizletFirebaseMessagingService

com.google.android.gms.metadata.ModuleDependencies

com.google.firebase.messaging.FirebaseMessagingService

Android Permissions

lett.apk