Masterstrap-2[.]738[.]1397[.]apk

General

Target
Masterstrap-2.738.1397.apk
Size 126.8MB
Sample260916-1ge28aee85
SHA256 1770664c62a579e7808616e12e8e5e2286ee912f293b632c4d795f250ec666ad
MD5 d2f3b5c294001c7ca9e7a90c443da18a
SHA1 c71d5f8965862025b5b6ca8f8a65d52ac8483218
SHA512 b4b620026ea3ff3aa49773282aaf691d9b78855b99d7577e2b8d7995692c657659e4f87c0b1e23c5c6eeb01af9f4a7b8642aae36d4e7a90d24739ff95395fe69
SSDEEP 3145728:pjEoaxu9KqL3FyZTYOB3EW1VRvztpePVZsMaMyy:pb9KqLET3B33LgVZPaty
TLSH
T10258E009F2824E27EE264F399BB39295B329EC1D5B16DB6F30087175BF7B3844E415A0
MD5 SHA1 SHA512 SSDEEP TLSH

Score

6^/10

Malware Config

Signatures

Requests dangerous framework permissions 6 IoCs

description	ioc
Allows an app to post notifications.	android.permission.POST_NOTIFICATIONS
Allows an application to read the user's contacts data.	android.permission.READ_CONTACTS
Allows an application to write to external storage.	android.permission.WRITE_EXTERNAL_STORAGE
Allows an application to read from external storage.	android.permission.READ_EXTERNAL_STORAGE
Allows an application to record audio.	android.permission.RECORD_AUDIO
Required to be able to access the camera device.	android.permission.CAMERA

Untrusted Codesign Signers 1 IoCs

Codesigned file was signed by an untrusted entity.

resource
Masterstrap-2.738.1397.apk

File Explorer

Masterstrap-2.738.1397.apk

.apk 126.8MB

Masterstrap-2.738.1397.apk

SHA256 1770664c62a579e7808616e12e8e5e2286ee912f293b632c4d795f250ec666ad
MD5 d2f3b5c294001c7ca9e7a90c443da18a
SHA1 c71d5f8965862025b5b6ca8f8a65d52ac8483218
SHA512 b4b620026ea3ff3aa49773282aaf691d9b78855b99d7577e2b8d7995692c657659e4f87c0b1e23c5c6eeb01af9f4a7b8642aae36d4e7a90d24739ff95395fe69
SSDEEP 3145728:pjEoaxu9KqL3FyZTYOB3EW1VRvztpePVZsMaMyy:pb9KqLET3B33LgVZPaty
TLSH
T10258E009F2824E27EE264F399BB39295B329EC1D5B16DB6F30087175BF7B3844E415A0
MD5 SHA1 SHA512 SSDEEP TLSH

android arch:arm64

Untrusted Codesign Signers

Codesigned file was signed by an untrusted entity.

File Signature issue

Digest

1131ccb1bf10ab1f5a9b23224342dd68d5adcded2ed307457c08f9a12dd35b70

Digest Algorithm

sha256

Digest Matches

Trusted

Not trusted

Signer

CN=Masterstrap Mobile,OU=Masterstrap,O=Masterstrap,L=VN,ST=VN,C=VN

com.roblox.client

com.roblox.client.ActivityProtocolLaunch

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.roblox.client.startup.ActivitySplash

com.roblox.client.ActivityNativeMain

com.roblox.client.startup.MainGameActivity

com.roblox.client.RobloxWebActivity

com.roblox.client.NotificationStreamActivity

com.roblox.client.captcha.ActivityFunCaptcha

com.roblox.client.IncomingCallActivity

androidx.credentials.playservices.controllers.identityauth.HiddenActivity

androidx.credentials.playservices.controllers.identitycredentials.IdentityCredentialApiHiddenActivity

androidx.core.google.shortcuts.TrampolineActivity

androidx.core.content.pm.SHORTCUT_LISTENER

com.android.billingclient.api.ProxyBillingActivity

com.android.billingclient.api.ProxyBillingActivityV2

com.google.android.gms.auth.api.signin.internal.SignInHubActivity

com.google.android.gms.games.internal.v2.resolution.GamesResolutionActivity

com.google.android.gms.games.internal.v2.appshortcuts.PlayGamesAppShortcutsActivity

com.google.android.gms.common.api.GoogleApiActivity

com.google.android.play.core.common.PlayCoreDialogWrapperActivity

com.roblox.client.gmasdk.isolate.sandbox.RemoteNativeAdActivity

com.roblox.client.gmasdk.isolate.sandbox.LocalNativeAdActivity

com.roblox.client.gmasdk.rewarded.RemoteRewardedAdActivity

com.roblox.client.gmasdk.rewarded.LocalRewardedAdActivity

com.google.android.libraries.ads.mobile.sdk.common.AdActivity

com.facebook.ads.AudienceNetworkActivity

com.withpersona.sdk2.inquiry.internal.InquiryActivity

com.roblox.client.sms.SMSBroadcastReceiver

com.google.android.gms.auth.api.phone.SMS_RETRIEVED

com.roblox.client.shortcuts.PinShortcutConfirmationReceiver

com.roblox.client.pushnotification.v2.receiver.Sendr1PushNotificationReceiver

com.roblox.client.pushnotification.notificationreceivers.FriendRequestReceivedNotificationReceiver

com.roblox.client.pushnotification.notificationreceivers.FriendRequestAcceptedNotificationReceiver

com.roblox.client.pushnotification.notificationreceivers.ChatMessageNotificationReceiver

com.roblox.client.pushnotification.v2.SendrChatMessageReplyHandler

com.roblox.client.pushnotification.notificationreceivers.PrivateMessageReceivedNotificationReceiver

com.roblox.client.pushnotification.ossettingsreporting.NotificationOSSettingsBroadcastReceiver

android.app.action.NOTIFICATION_CHANNEL_BLOCK_STATE_CHANGED android.app.action.NOTIFICATION_CHANNEL_GROUP_BLOCK_STATE_CHANGED android.app.action.APP_BLOCK_STATE_CHANGED

com.appsflyer.SingleInstallBroadcastReceiver

com.android.vending.INSTALL_REFERRER

com.roblox.client.ShareAppChosenReceiver

com.roblox.client.widgets.RecentlyPlayedWidgetProvider

android.appwidget.action.APPWIDGET_UPDATE

com.roblox.client.pushnotification.v2.CallActionReceiver

com.roblox.client.pushnotification.actions.NotificationActionBroadcastReceiver

com.google.firebase.iid.FirebaseInstanceIdReceiver

com.google.android.c2dm.intent.RECEIVE

com.google.android.gms.measurement.AppMeasurementReceiver

androidx.work.impl.utils.ForceStopRunnable$BroadcastReceiver

androidx.work.impl.background.systemalarm.RescheduleReceiver

android.intent.action.BOOT_COMPLETED

androidx.work.impl.diagnostics.DiagnosticsReceiver

androidx.work.diagnostics.REQUEST_DIAGNOSTICS

androidx.profileinstaller.ProfileInstallReceiver

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

com.google.android.datatransport.runtime.scheduling.jobscheduling.AlarmManagerSchedulerBroadcastReceiver

Android Permissions

Masterstrap-2.738.1397.apk

Permissions

android.permission.BLUETOOTH

android.permission.POST_NOTIFICATIONS

android.permission.VIBRATE

com.android.vending.BILLING

android.permission.INTERNET

android.permission.ACCESS_NETWORK_STATE

android.permission.ACCESS_WIFI_STATE

android.permission.MODIFY_AUDIO_SETTINGS

android.permission.READ_CONTACTS

android.permission.USE_FULL_SCREEN_INTENT

android.permission.DISABLE_KEYGUARD

android.permission.WRITE_EXTERNAL_STORAGE

android.permission.READ_EXTERNAL_STORAGE

android.permission.RECORD_AUDIO

android.permission.CAMERA

com.google.android.gms.permission.AD_ID

android.permission.DETECT_SCREEN_CAPTURE

android.permission.USE_BIOMETRIC

android.permission.USE_FINGERPRINT

android.permission.ACCESS_ADSERVICES_ATTRIBUTION

com.samsung.android.mapsagent.permission.READ_APP_INFO

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

android.permission.WAKE_LOCK

com.google.android.c2dm.permission.RECEIVE

com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE

android.permission.RECEIVE_BOOT_COMPLETED

android.permission.ACCESS_ADSERVICES_AD_ID

com.roblox.client.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

android.permission.READ_BASIC_PHONE_STATE

android.permission.ACCESS_ADSERVICES_TOPICS

Sharing

General

Malware Config

Signatures

File Explorer

Masterstrap-2.738.1397.apk

File Signature issue

com.roblox.client.ActivityProtocolLaunch

com.roblox.client.startup.ActivitySplash

com.roblox.client.ActivityNativeMain

com.roblox.client.startup.MainGameActivity

com.roblox.client.RobloxWebActivity

com.roblox.client.NotificationStreamActivity

com.roblox.client.captcha.ActivityFunCaptcha

com.roblox.client.IncomingCallActivity

androidx.credentials.playservices.controllers.identityauth.HiddenActivity

androidx.credentials.playservices.controllers.identitycredentials.IdentityCredentialApiHiddenActivity

androidx.core.google.shortcuts.TrampolineActivity

com.android.billingclient.api.ProxyBillingActivity

com.android.billingclient.api.ProxyBillingActivityV2

com.google.android.gms.auth.api.signin.internal.SignInHubActivity

com.google.android.gms.games.internal.v2.resolution.GamesResolutionActivity

com.google.android.gms.games.internal.v2.appshortcuts.PlayGamesAppShortcutsActivity

com.google.android.gms.common.api.GoogleApiActivity

com.google.android.play.core.common.PlayCoreDialogWrapperActivity

com.roblox.client.gmasdk.isolate.sandbox.RemoteNativeAdActivity

com.roblox.client.gmasdk.isolate.sandbox.LocalNativeAdActivity

com.roblox.client.gmasdk.rewarded.RemoteRewardedAdActivity

com.roblox.client.gmasdk.rewarded.LocalRewardedAdActivity

com.google.android.libraries.ads.mobile.sdk.common.AdActivity

com.facebook.ads.AudienceNetworkActivity

com.withpersona.sdk2.inquiry.internal.InquiryActivity

com.roblox.client.fcm.RbxFcmListenerService

com.roblox.client.realtime.RealtimeService

androidx.camera.core.impl.MetadataHolderService

com.google.mlkit.common.internal.MlKitComponentDiscoveryService

androidx.credentials.playservices.CredentialProviderMetadataHolder

com.google.android.gms.auth.api.signin.RevocationBoundService

com.google.firebase.messaging.FirebaseMessagingService

com.google.firebase.components.ComponentDiscoveryService

com.google.android.gms.measurement.AppMeasurementService

com.google.android.gms.measurement.AppMeasurementJobService

androidx.work.impl.background.systemjob.SystemJobService

androidx.work.impl.foreground.SystemForegroundService

androidx.room.MultiInstanceInvalidationService

com.google.android.datatransport.runtime.backends.TransportBackendDiscovery

com.google.android.datatransport.runtime.scheduling.jobscheduling.JobInfoSchedulerService

com.roblox.client.gmasdk.isolate.sandbox.RemoteNativeAdService

com.roblox.client.gmasdk.isolate.sandbox.LocalNativeAdService

com.roblox.client.gmasdk.rewarded.RemoteRewardedAdService

com.roblox.client.gmasdk.rewarded.LocalRewardedAdService

com.roblox.client.sms.SMSBroadcastReceiver

com.roblox.client.shortcuts.PinShortcutConfirmationReceiver

com.roblox.client.pushnotification.v2.receiver.Sendr1PushNotificationReceiver

com.roblox.client.pushnotification.notificationreceivers.FriendRequestReceivedNotificationReceiver

com.roblox.client.pushnotification.notificationreceivers.FriendRequestAcceptedNotificationReceiver

com.roblox.client.pushnotification.notificationreceivers.ChatMessageNotificationReceiver

com.roblox.client.pushnotification.v2.SendrChatMessageReplyHandler

com.roblox.client.pushnotification.notificationreceivers.PrivateMessageReceivedNotificationReceiver

com.roblox.client.pushnotification.ossettingsreporting.NotificationOSSettingsBroadcastReceiver

com.appsflyer.SingleInstallBroadcastReceiver

com.roblox.client.ShareAppChosenReceiver

com.roblox.client.widgets.RecentlyPlayedWidgetProvider

com.roblox.client.pushnotification.v2.CallActionReceiver

com.roblox.client.pushnotification.actions.NotificationActionBroadcastReceiver

com.google.firebase.iid.FirebaseInstanceIdReceiver

com.google.android.gms.measurement.AppMeasurementReceiver

androidx.work.impl.utils.ForceStopRunnable$BroadcastReceiver

androidx.work.impl.background.systemalarm.RescheduleReceiver

androidx.work.impl.diagnostics.DiagnosticsReceiver

androidx.profileinstaller.ProfileInstallReceiver

com.google.android.datatransport.runtime.scheduling.jobscheduling.AlarmManagerSchedulerBroadcastReceiver

androidx.startup.InitializationProvider

com.roblox.client.provider.ShellConfigurationContentProvider

com.roblox.client.provider.AppAssetsContentProvider

androidx.core.content.FileProvider

com.withpersona.sdk2.inquiry.DocumentFileProvider

com.google.firebase.provider.FirebaseInitProvider

com.roblox.client.gmasdk.isolate.sandbox.GmaWebViewInitializerProvider

com.roblox.client.personasdk.PersonaInitProvider