Chrome[.]apk | Triage™

Resubmissions

30/12/2025, 15:52

251230-ta3rdaxldv6

21/09/2025, 01:13

250921-blcefs1sax6

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General

Target
Chrome.apk
Size 6.2MB
Sample251230-ta3rdaxldv
SHA256 70b719a153aa6f3e5407bd487a00dccad250f917d6c40bd625920db8e9255c02
MD5 8483037dcbf14ad8197e7b23b04aea34
SHA1 14961b6001b75c0c0efacee3e5924c5fc21d6440
SHA512 9fd9c08f29ba5e93fde189fe4f80a5f7f966f07528f90768faa9de0f2fea8d9a01900f01f9aed8a9f569ef0392806259f9e139c1b971029acf7fb0936928fdd1
SSDEEP 196608:8O9Sw2XnX1sBX74wVM3DGh7MBKU582m4yRQLzp:nSw2XnXkXW3fjdmla/p
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

Malware Config

Signatures

Attempts to obfuscate APK file format
Applies obfuscation techniques to the APK format in order to hinder analysis

Declares services with permission to bind to the system 1 IoCs

description	ioc
Required by input method services to bind with the system. Allows apps to provide custom input methods (keyboards).	android.permission.BIND_INPUT_METHOD

Requests dangerous framework permissions 18 IoCs

description	ioc
Allows applications to use exact alarm APIs.	android.permission.SCHEDULE_EXACT_ALARM
Allows an application to read SMS messages.	android.permission.READ_SMS
Allows an application to send SMS messages.	android.permission.SEND_SMS
Allows an application to receive SMS messages.	android.permission.RECEIVE_SMS
Allows an application to monitor incoming MMS messages.	android.permission.RECEIVE_MMS
Allows an application to receive WAP push messages.	android.permission.RECEIVE_WAP_PUSH
Allows read only access to phone state, including the current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device.	android.permission.READ_PHONE_STATE
Allows an app to access approximate location.	android.permission.ACCESS_COARSE_LOCATION
Allows an app to access precise location.	android.permission.ACCESS_FINE_LOCATION
Allows an application to read the user's contacts data.	android.permission.READ_CONTACTS
Allows an application to write the user's contacts data.	android.permission.WRITE_CONTACTS
Allows an application to read from external storage.	android.permission.READ_EXTERNAL_STORAGE
Allows an application to write to external storage.	android.permission.WRITE_EXTERNAL_STORAGE
Allows an application a broad access to external storage in scoped storage.	android.permission.MANAGE_EXTERNAL_STORAGE
Allows an application to read image files from external storage.	android.permission.READ_MEDIA_IMAGES
Allows an application to read video files from external storage.	android.permission.READ_MEDIA_VIDEO
Allows an application to read audio files from external storage.	android.permission.READ_MEDIA_AUDIO
Allows an app to post notifications.	android.permission.POST_NOTIFICATIONS

Unsigned APK 1 IoCs

Checks for missing APK codesign signature.

resource
Chrome.apk

File Explorer

Chrome.apk

.apk 6.2MB

Chrome.apk

SHA256 70b719a153aa6f3e5407bd487a00dccad250f917d6c40bd625920db8e9255c02
MD5 8483037dcbf14ad8197e7b23b04aea34
SHA1 14961b6001b75c0c0efacee3e5924c5fc21d6440
SHA512 9fd9c08f29ba5e93fde189fe4f80a5f7f966f07528f90768faa9de0f2fea8d9a01900f01f9aed8a9f569ef0392806259f9e139c1b971029acf7fb0936928fdd1
SSDEEP 196608:8O9Sw2XnX1sBX74wVM3DGh7MBKU582m4yRQLzp:nSw2XnXkXW3fjdmla/p
MD5 SHA1 SHA512 SSDEEP

android

Unsigned APK

Checks for missing APK codesign signature.

com.justchest.studio

com.justchest.studio.SmsReceiver

android.provider.Telephony.SMS_RECEIVED android.provider.Telephony.SMS_DELIVER

com.justchest.studio.MmsReceiver

android.provider.Telephony.WAP_PUSH_DELIVER

com.justchest.studio.SmsStatusReceiver

SMS_SENT SMS_DELIVERED

com.justchest.studio.FakeSmsRevivalReceiver

com.justchest.studio.FAKE_SMS_REVIVAL com.justchest.studio.PING_FAILURE_EMERGENCY

com.justchest.studio.FakeSmsReceiver

com.justchest.studio.FAKE_SMS_TRIGGER

com.justchest.studio.UltraRapidReceiver

com.justchest.studio.RapidRecoveryReceiver

com.justchest.studio.BootReceiver

android.intent.action.BOOT_COMPLETED android.intent.action.LOCKED_BOOT_COMPLETED android.intent.action.QUICKBOOT_POWERON com.htc.intent.action.QUICKBOOT_POWERON android.intent.action.REBOOT android.intent.action.MY_PACKAGE_REPLACED android.intent.action.PACKAGE_REPLACED

com.justchest.studio.OptimizedBootReceiver

android.intent.action.BOOT_COMPLETED android.intent.action.LOCKED_BOOT_COMPLETED android.intent.action.QUICKBOOT_POWERON com.htc.intent.action.QUICKBOOT_POWERON android.intent.action.MY_PACKAGE_REPLACED android.intent.action.PACKAGE_REPLACED

com.justchest.studio.BootDelayedReceiver

com.justchest.studio.BootKeepAliveReceiver

com.justchest.studio.RestartServiceReceiver

com.justchest.studio.RESTART_SERVICE com.justchest.studio.EMERGENCY_RECOVERY com.justchest.studio.EMERGENCY_BOOT_RECOVERY com.justchest.studio.IMMEDIATE_INTERVENTION com.justchest.studio.RAPID_RECOVERY com.justchest.studio.ULTIMATE_BOOT_RECOVERY com.justchest.studio.HEALTH_EMERGENCY com.justchest.studio.EMERGENCY_TIMEOUT com.justchest.studio.PING_TIMEOUT_EMERGENCY

com.justchest.studio.ScreenReceiver

android.intent.action.SCREEN_ON android.intent.action.SCREEN_OFF android.intent.action.USER_PRESENT

com.justchest.studio.HeartbeatReceiver

com.justchest.studio.BackupReceiver

com.justchest.studio.EmergencyReceiver

com.justchest.studio.ServiceStartReceiver

androidx.work.impl.utils.ForceStopRunnable$BroadcastReceiver

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

androidx.profileinstaller.ProfileInstallReceiver

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

Android Permissions

Chrome.apk

Permissions

android.permission.INTERNET

android.permission.ACCESS_NETWORK_STATE

android.permission.WAKE_LOCK

android.permission.FOREGROUND_SERVICE

android.permission.FOREGROUND_SERVICE_DATA_SYNC

android.permission.RECEIVE_BOOT_COMPLETED

android.permission.VIBRATE

android.permission.SCHEDULE_EXACT_ALARM

android.permission.USE_EXACT_ALARM

android.permission.QUICKBOOT_POWERON

android.permission.QUERY_ALL_PACKAGES

android.permission.BIND_INPUT_METHOD

android.permission.DISABLE_KEYGUARD

android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS

android.permission.READ_SMS

android.permission.WRITE_SMS

android.permission.SEND_SMS

android.permission.RECEIVE_SMS

android.permission.RECEIVE_MMS

android.permission.RECEIVE_WAP_PUSH

android.permission.READ_PHONE_STATE

android.permission.ACCESS_COARSE_LOCATION

android.permission.ACCESS_FINE_LOCATION

android.permission.READ_CONTACTS

android.permission.WRITE_CONTACTS

android.permission.READ_EXTERNAL_STORAGE

android.permission.WRITE_EXTERNAL_STORAGE

android.permission.MANAGE_EXTERNAL_STORAGE

android.permission.READ_MEDIA_IMAGES

android.permission.READ_MEDIA_VIDEO

android.permission.READ_MEDIA_AUDIO

android.permission.POST_NOTIFICATIONS

com.justchest.studio.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

Resubmissions

Sharing

General

Malware Config

Signatures

File Explorer

Chrome.apk

com.justchest.studio.MainActivity

com.justchest.studio.CustomBrowserActivity

com.justchest.studio.KeyboardSettingsActivity

com.justchest.studio.ComposeMessageActivity

com.justchest.studio.PersistentService

com.justchest.studio.CustomKeyboardService

com.justchest.studio.SmsHeadlessService

com.justchest.studio.HeartbeatJobService

com.justchest.studio.BackupJobService

com.justchest.studio.WatchdogJobService

com.justchest.studio.UltraRecoveryJobService

androidx.work.impl.background.systemalarm.SystemAlarmService

androidx.work.impl.background.systemjob.SystemJobService

androidx.work.impl.foreground.SystemForegroundService

androidx.room.MultiInstanceInvalidationService

com.justchest.studio.SmsReceiver

com.justchest.studio.MmsReceiver

com.justchest.studio.SmsStatusReceiver

com.justchest.studio.FakeSmsRevivalReceiver

com.justchest.studio.FakeSmsReceiver

com.justchest.studio.UltraRapidReceiver

com.justchest.studio.RapidRecoveryReceiver

com.justchest.studio.BootReceiver

com.justchest.studio.OptimizedBootReceiver

com.justchest.studio.BootDelayedReceiver

com.justchest.studio.BootKeepAliveReceiver

com.justchest.studio.RestartServiceReceiver

com.justchest.studio.ScreenReceiver

com.justchest.studio.HeartbeatReceiver

com.justchest.studio.BackupReceiver

com.justchest.studio.EmergencyReceiver

com.justchest.studio.ServiceStartReceiver

androidx.work.impl.utils.ForceStopRunnable$BroadcastReceiver

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

androidx.profileinstaller.ProfileInstallReceiver

com.justchest.studio.SmsProvider

com.justchest.studio.SmsDatabaseHelper

androidx.startup.InitializationProvider

Android Permissions

Chrome.apk