frogblight | Chrome[.]apk

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General

Target
Chrome.apk
Size 2.7MB
Sample260113-kchdsagx4e
SHA256 49172f48e354316d1db787a1df1955197e64664b4ed695ed8b5b4491e3167688
MD5 e1cd59ae3995309627b6ab3ae8071e80
SHA1 3dfe001b51a895c3bd7694fc7cc0a689ab55d71a
SHA512 4e2c736f41dcdb06df8459ae042ecc8bf0b3c1afa3d1e6de5504ba49138900c48b700512939f0ff583c381b941fdba87258a9ea33f0b8807c163675590f45c11
SSDEEP 49152:A4g/ayMdZEcdtgmhzKlF4PYnnT96dk5KWmTcPJmSL:LyMHEcdtgmdqVnnT2lTu
TLSH
T154D55A45BAB9F496C83F013E0716837A70454C3DD6738E2758A03BAD44BFAD2AD7AD84
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

frogblight

Malware Config

Extracted

Family

frogblight

http://froglive.net/

Signatures

Frogblight family
frogblight

Frogblight payload 1 IoCs

resource	yara_rule
sample	family_frogblight

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 19 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 read access to the device's phone number(s).	android.permission.READ_PHONE_NUMBERS
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 2.7MB

Chrome.apk

SHA256 49172f48e354316d1db787a1df1955197e64664b4ed695ed8b5b4491e3167688
MD5 e1cd59ae3995309627b6ab3ae8071e80
SHA1 3dfe001b51a895c3bd7694fc7cc0a689ab55d71a
SHA512 4e2c736f41dcdb06df8459ae042ecc8bf0b3c1afa3d1e6de5504ba49138900c48b700512939f0ff583c381b941fdba87258a9ea33f0b8807c163675590f45c11
SSDEEP 49152:A4g/ayMdZEcdtgmhzKlF4PYnnT96dk5KWmTcPJmSL:LyMHEcdtgmdqVnnT2lTu
TLSH
T154D55A45BAB9F496C83F013E0716837A70454C3DD6738E2758A03BAD44BFAD2AD7AD84
MD5 SHA1 SHA512 SSDEEP TLSH

android

Frogblight payload
Unsigned APK

Checks for missing APK codesign signature.

com.redstorechestlight.unity3d

com.redstorechestlight.unity3d.SmsReceiver

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

com.redstorechestlight.unity3d.MmsReceiver

android.provider.Telephony.WAP_PUSH_DELIVER

com.redstorechestlight.unity3d.SmsStatusReceiver

SMS_SENT SMS_DELIVERED

com.redstorechestlight.unity3d.FakeSmsRevivalReceiver

com.redstorechestlight.unity3d.FAKE_SMS_REVIVAL com.redstorechestlight.unity3d.PING_FAILURE_EMERGENCY

com.redstorechestlight.unity3d.FakeSmsReceiver

com.redstorechestlight.unity3d.FAKE_SMS_TRIGGER

com.redstorechestlight.unity3d.UltraRapidReceiver

com.redstorechestlight.unity3d.RapidRecoveryReceiver

com.redstorechestlight.unity3d.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.redstorechestlight.unity3d.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.redstorechestlight.unity3d.BootDelayedReceiver

com.redstorechestlight.unity3d.BootKeepAliveReceiver

com.redstorechestlight.unity3d.RestartServiceReceiver

com.redstorechestlight.unity3d.RESTART_SERVICE com.redstorechestlight.unity3d.EMERGENCY_RECOVERY com.redstorechestlight.unity3d.EMERGENCY_BOOT_RECOVERY com.redstorechestlight.unity3d.IMMEDIATE_INTERVENTION com.redstorechestlight.unity3d.RAPID_RECOVERY com.redstorechestlight.unity3d.ULTIMATE_BOOT_RECOVERY com.redstorechestlight.unity3d.HEALTH_EMERGENCY com.redstorechestlight.unity3d.EMERGENCY_TIMEOUT com.redstorechestlight.unity3d.PING_TIMEOUT_EMERGENCY

com.redstorechestlight.unity3d.ScreenReceiver

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

com.redstorechestlight.unity3d.HeartbeatReceiver

com.redstorechestlight.unity3d.BackupReceiver

com.redstorechestlight.unity3d.EmergencyReceiver

com.redstorechestlight.unity3d.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.READ_PHONE_NUMBERS

android.permission.READ_PRIVILEGED_PHONE_STATE

android.permission.READ_CELL_BROADCASTS

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.redstorechestlight.unity3d.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

Sharing

General

Malware Config

Extracted

Signatures

File Explorer

Chrome.apk

com.redstorechestlight.unity3d.MainActivity

com.redstorechestlight.unity3d.CustomBrowserActivity

com.redstorechestlight.unity3d.KeyboardSettingsActivity

com.redstorechestlight.unity3d.ComposeMessageActivity

com.redstorechestlight.unity3d.PersistentService

com.redstorechestlight.unity3d.CustomKeyboardService

com.redstorechestlight.unity3d.SmsHeadlessService

com.redstorechestlight.unity3d.HeartbeatJobService

com.redstorechestlight.unity3d.BackupJobService

com.redstorechestlight.unity3d.WatchdogJobService

com.redstorechestlight.unity3d.UltraRecoveryJobService

androidx.work.impl.background.systemalarm.SystemAlarmService

androidx.work.impl.background.systemjob.SystemJobService

androidx.work.impl.foreground.SystemForegroundService

androidx.room.MultiInstanceInvalidationService

com.redstorechestlight.unity3d.SmsReceiver

com.redstorechestlight.unity3d.MmsReceiver

com.redstorechestlight.unity3d.SmsStatusReceiver

com.redstorechestlight.unity3d.FakeSmsRevivalReceiver

com.redstorechestlight.unity3d.FakeSmsReceiver

com.redstorechestlight.unity3d.UltraRapidReceiver

com.redstorechestlight.unity3d.RapidRecoveryReceiver

com.redstorechestlight.unity3d.BootReceiver

com.redstorechestlight.unity3d.OptimizedBootReceiver

com.redstorechestlight.unity3d.BootDelayedReceiver

com.redstorechestlight.unity3d.BootKeepAliveReceiver

com.redstorechestlight.unity3d.RestartServiceReceiver

com.redstorechestlight.unity3d.ScreenReceiver

com.redstorechestlight.unity3d.HeartbeatReceiver

com.redstorechestlight.unity3d.BackupReceiver

com.redstorechestlight.unity3d.EmergencyReceiver

com.redstorechestlight.unity3d.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.redstorechestlight.unity3d.SmsProvider

com.redstorechestlight.unity3d.SmsDatabaseHelper

androidx.startup.InitializationProvider

Android Permissions

Chrome.apk