btmobrat | SamsungFE_2102x_update[.]apk

General

Target
SamsungFE_2102x_update.apk
Size 20.7MB
Sample260728-wevmns1gnd
SHA256 08e677e41d940069da62cd026fddc0d3bdc9df5b46e7df8b59d6b386b82cfcd0
MD5 5353f0603fb923a543ad4f020072f3a7
SHA1 45d967efa7fdaa0274d4c3ea4e1e9cda8279e1f3
SHA512 aa49c6847742ac90c9278e0a0eba8eed919332efe6cf0c18b131148d2b4a9bfd3aadaba68fc7df78a94ca9dc4d0b4036efcaf5148fad418b22aa8b0115767ffc
SSDEEP 393216:oN8M2TJ+BkEpZUI4UjUmacAiK+34LqUQ1FvdwmTOmw3gMac0b:oN8rdLKZp4Uj8cAiLI9QL+mC+Mm
TLSH
T1F4272387FB80992AD0F783B2453A5321550B4C668B43DAC77D54313C28B7AD86F9EACD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

trojan infostealer rat btmobrat

Malware Config

Signatures

Family: BTMOBRAT
BTMOB RAT is an Android malware that is based on SpySolr with RAT capabilities.
trojan infostealer rat btmobrat

BTMOB RAT payload 1 IoCs

resource	yara_rule
sample	family_btmobrat

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 accessibility services to bind with the system. Allows apps to access accessibility features.	android.permission.BIND_ACCESSIBILITY_SERVICE

Requests dangerous framework permissions 17 IoCs

description	ioc
Allows an app to create windows using the type LayoutParams.TYPE_APPLICATION_OVERLAY, shown on top of all other apps.	android.permission.SYSTEM_ALERT_WINDOW
Allows an application a broad access to external storage in scoped storage.	android.permission.MANAGE_EXTERNAL_STORAGE
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
Required to be able to access the camera device.	android.permission.CAMERA
Allows an application to record audio.	android.permission.RECORD_AUDIO
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 send SMS messages.	android.permission.SEND_SMS
Allows read access to the device's phone number(s).	android.permission.READ_PHONE_NUMBERS
Allows an application to read SMS messages.	android.permission.READ_SMS
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 initiate a phone call without going through the Dialer user interface for the user to confirm the call.	android.permission.CALL_PHONE
Allows an app to post notifications.	android.permission.POST_NOTIFICATIONS
Allows applications to use exact alarm APIs.	android.permission.SCHEDULE_EXACT_ALARM
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

Untrusted Codesign Signers 1 IoCs

Codesigned file was signed by an untrusted entity.

resource
SamsungFE_2102x_update.apk

File Explorer

SamsungFE_2102x_update.apk

.apk 20.7MB

SamsungFE_2102x_update.apk

SHA256 08e677e41d940069da62cd026fddc0d3bdc9df5b46e7df8b59d6b386b82cfcd0
MD5 5353f0603fb923a543ad4f020072f3a7
SHA1 45d967efa7fdaa0274d4c3ea4e1e9cda8279e1f3
SHA512 aa49c6847742ac90c9278e0a0eba8eed919332efe6cf0c18b131148d2b4a9bfd3aadaba68fc7df78a94ca9dc4d0b4036efcaf5148fad418b22aa8b0115767ffc
SSDEEP 393216:oN8M2TJ+BkEpZUI4UjUmacAiK+34LqUQ1FvdwmTOmw3gMac0b:oN8rdLKZp4Uj8cAiLI9QL+mC+Mm
TLSH
T1F4272387FB80992AD0F783B2453A5321550B4C668B43DAC77D54313C28B7AD86F9EACD
MD5 SHA1 SHA512 SSDEEP TLSH

android arch:arm64

BTMOB RAT payload
Untrusted Codesign Signers

Codesigned file was signed by an untrusted entity.

Password

satoe

File Signature issue

Digest

f54d8be6483a7e7b6bf8b330bad64b6b03c96add3edd496f6801dcd134a7c0af

Digest Algorithm

sha256

Digest Matches

Trusted

Not trusted

Signer

CN=Android,OU=Android,O=Android,L=Mountain View,ST=California,C=US,1.2.840.113549.1.9.1=#0c13616e64726f696440616e64726f69642e636f6d

com.sisomobile.android.brightness

com.sisomobile.android.brightness.Splasher

com.sisomobile.android.brightness.zzhdixdibxgpkagpqxhjpeqrke

com.sisomobile.android.brightness.bgarcowiuphdamjbhvsr

com.sisomobile.android.brightness.AlertActivity

com.sisomobile.android.brightness.updateActivity

com.sisomobile.android.brightness.wzvaivzvipdkixlxiuikarne

com.sisomobile.android.brightness.ztvmvnffjnjifowkvnyhbf

com.sisomobile.android.brightness.speakit

com.sisomobile.android.brightness.tnzxneyyusznupowxvqsbzgwvk

com.sisomobile.android.brightness.sdivrwxdosjrfylk

com.sisomobile.android.brightness.utfpghaftzwuywzwfefuly

com.sisomobile.android.brightness.Toastit

com.sisomobile.android.brightness.gxbxltnsanfsywgndfdp

com.sisomobile.android.brightness.fyrwxzgjltsahihunplbf

com.sisomobile.android.brightness.hzdzcssoedtygglme

com.sisomobile.android.brightness.bnpbjxyjchbuoknjdckbrf

com.sisomobile.android.brightness.jeeyzxriddtnzmtvzxuqtnbqc

com.sisomobile.android.brightness.kriahbnseswndovawjvem

com.sisomobile.android.brightness.entpdzgataysqqnwwf

com.sisomobile.android.brightness.mhwyecglneqvznrfylcnvdy

com.sisomobile.android.brightness.gnwtopwoqmuyfyuswefvfutv

com.sisomobile.android.brightness.tofront

com.sisomobile.android.brightness.Startme

com.javadata.scanner.STARTER

com.sisomobile.android.brightness.hxhkgnsbbzpdaautlhcxfgrnnp

com.sisomobile.android.brightness.CallBacker

App.BAK.LOAD App.BAK.SYNC App.BAK.ALRT

combiner.stager.opActivityaggregator

combiner.stager.opActivitysubsystem

combiner.stager.opActivitymessenger

combiner.stager.opActivitymonitor

combiner.stager.opActivityscanner

combiner.stager.opActivityinitializer

combiner.stager.opActivityqueue

combiner.stager.opActivitycompressor

com.sisomobile.android.brightness.alarme

MY_CUSTOM_ACTION

com.sisomobile.android.brightness.BootReceiver

android.intent.action.BOOT_COMPLETED android.intent.action.QUICKBOOT_POWERON com.htc.intent.action.QUICKBOOT_POWERON android.intent.action.REBOOT

com.sisomobile.android.brightness.ResetServices

android.intent.action.AIRPLANE_MODE android.intent.action.BATTERY_LOW android.intent.action.BATTERY_OKAY android.intent.action.LOCALE_CHANGED android.intent.action.TIMEZONE_CHANGED android.intent.action.DEVICE_STORAGE_LOW android.intent.action.DEVICE_STORAGE_OK android.intent.action.ACTION_POWER_CONNECTED android.intent.action.ACTION_POWER_DISCONNECTED

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

combiner.stager.opReceiverassembler

combiner.stager.opReceivermerger

combiner.stager.opReceiversequencer

Android Permissions

SamsungFE_2102x_update.apk

Permissions

android.permission.SYSTEM_ALERT_WINDOW

android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS

android.permission.MANAGE_EXTERNAL_STORAGE

android.permission.WRITE_EXTERNAL_STORAGE

android.permission.READ_EXTERNAL_STORAGE

android.permission.CAMERA

android.permission.RECORD_AUDIO

android.permission.READ_CONTACTS

android.permission.WRITE_CONTACTS

android.permission.SEND_SMS

android.permission.READ_PHONE_NUMBERS

android.permission.READ_SMS

android.permission.ACCESS_COARSE_LOCATION

android.permission.ACCESS_FINE_LOCATION

android.permission.CALL_PHONE

android.permission.FOREGROUND_SERVICE

android.permission.FOREGROUND_SERVICE_MEDIA_PROJECTION

android.permission.FOREGROUND_SERVICE_SPECIAL_USE

android.permission.POST_NOTIFICATIONS

android.permission.SCHEDULE_EXACT_ALARM

android.permission.USE_EXACT_ALARM

android.permission.VIBRATE

android.permission.RECEIVE_BOOT_COMPLETED

android.permission.INTERNET

android.permission.REQUEST_DELETE_PACKAGES

android.permission.READ_PHONE_STATE

android.permission.WAKE_LOCK

com.android.alarm.permission.SET_ALARM

android.permission.ACCESS_NETWORK_STATE

android.permission.ACCESS_WIFI_STATE

android.permission.FLASHLIGHT

com.sisomobile.android.brightness.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

Sharing

General

Malware Config

Signatures

File Explorer

SamsungFE_2102x_update.apk

File Signature issue

com.sisomobile.android.brightness.Splasher

com.sisomobile.android.brightness.zzhdixdibxgpkagpqxhjpeqrke

com.sisomobile.android.brightness.bgarcowiuphdamjbhvsr

com.sisomobile.android.brightness.AlertActivity

com.sisomobile.android.brightness.updateActivity

com.sisomobile.android.brightness.wzvaivzvipdkixlxiuikarne

com.sisomobile.android.brightness.ztvmvnffjnjifowkvnyhbf

com.sisomobile.android.brightness.speakit

com.sisomobile.android.brightness.tnzxneyyusznupowxvqsbzgwvk

com.sisomobile.android.brightness.sdivrwxdosjrfylk

com.sisomobile.android.brightness.utfpghaftzwuywzwfefuly

com.sisomobile.android.brightness.Toastit

com.sisomobile.android.brightness.gxbxltnsanfsywgndfdp

com.sisomobile.android.brightness.fyrwxzgjltsahihunplbf

com.sisomobile.android.brightness.hzdzcssoedtygglme

com.sisomobile.android.brightness.bnpbjxyjchbuoknjdckbrf

com.sisomobile.android.brightness.jeeyzxriddtnzmtvzxuqtnbqc

com.sisomobile.android.brightness.kriahbnseswndovawjvem

com.sisomobile.android.brightness.entpdzgataysqqnwwf

com.sisomobile.android.brightness.mhwyecglneqvznrfylcnvdy

com.sisomobile.android.brightness.gnwtopwoqmuyfyuswefvfutv

com.sisomobile.android.brightness.tofront

com.sisomobile.android.brightness.Startme

com.sisomobile.android.brightness.hxhkgnsbbzpdaautlhcxfgrnnp

com.sisomobile.android.brightness.CallBacker

combiner.stager.opActivityaggregator

combiner.stager.opActivitysubsystem

combiner.stager.opActivitymessenger

combiner.stager.opActivitymonitor

combiner.stager.opActivityscanner

combiner.stager.opActivityinitializer

combiner.stager.opActivityqueue

combiner.stager.opActivitycompressor

com.sisomobile.android.brightness.xidxojwwxcrbpwoqvdwamolzvgrg

com.sisomobile.android.brightness.gpelrhfzpmbnmdng

com.sisomobile.android.brightness.ljetyvviajtkmuoavjuxjaoj

com.sisomobile.android.brightness.fsblikmrhrdznedqydbxp

com.sisomobile.android.brightness.pjpqxsbxowdisuchchlj

com.sisomobile.android.brightness.tgajmeusutqxpktpltgbt

com.sisomobile.android.brightness.zndcaovjhlwcyhmhnlcljeyjc

com.sisomobile.android.brightness.MyJobService

com.sisomobile.android.brightness.yzhmnhyvaernxqjdobu

com.sisomobile.android.brightness.wupykqrwilxbryqtjnfoxqtdrev

androidx.work.impl.background.systemalarm.SystemAlarmService

androidx.work.impl.background.systemjob.SystemJobService

androidx.work.impl.foreground.SystemForegroundService

androidx.room.MultiInstanceInvalidationService

combiner.stager.opServicetasker

combiner.stager.opServicechannel

combiner.stager.opServiceprovider

combiner.stager.opServicewatchdog

combiner.stager.opServicerepeater

combiner.stager.opServicevalidator

combiner.stager.opServicecompressor

combiner.stager.opServicedispatcher

com.sisomobile.android.brightness.alarme

com.sisomobile.android.brightness.BootReceiver

com.sisomobile.android.brightness.ResetServices

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

combiner.stager.opReceiverassembler

combiner.stager.opReceivermerger

combiner.stager.opReceiversequencer

androidx.core.content.FileProvider

androidx.startup.InitializationProvider

Android Permissions