Malware Analysis Report

2024-10-16 05:16

Sample ID 240719-qww9yateml
Target ready.apk
SHA256 5b491059221e92e592326a582f84e416e623c7b5c9da6393340176d0f76df9da
Tags
evasion execution persistence spynote collection credential_access impact privilege_escalation
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Mobile Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

5b491059221e92e592326a582f84e416e623c7b5c9da6393340176d0f76df9da

Threat Level: Known bad

The file ready.apk was found to be: Known bad.

Malicious Activity Summary

evasion execution persistence spynote collection credential_access impact privilege_escalation

Spynote family

Makes use of the framework's Accessibility service

Makes use of the framework's foreground persistence service

Declares broadcast receivers with permission to handle system events

Tries to add a device administrator.

Acquires the wake lock

Requests dangerous framework permissions

Declares services with permission to bind to the system

Schedules tasks to execute at a specified time

Registers a broadcast receiver at runtime (usually for listening for system events)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-19 13:37

Signatures

Spynote family

spynote

Declares broadcast receivers with permission to handle system events

Description Indicator Process Target
Required by device admin receivers to bind with the system. Allows apps to manage device administration features. android.permission.BIND_DEVICE_ADMIN N/A N/A

Declares services with permission to bind to the system

Description Indicator Process Target
Required by accessibility services to bind with the system. Allows apps to access accessibility features. android.permission.BIND_ACCESSIBILITY_SERVICE N/A N/A
Required by VPN services to bind with the system. Allows apps to provision VPN services. android.permission.BIND_VPN_SERVICE N/A N/A
Required by input method services to bind with the system. Allows apps to provide custom input methods (keyboards). android.permission.BIND_INPUT_METHOD N/A N/A

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to send SMS messages. android.permission.SEND_SMS N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to read the user's call log. android.permission.READ_CALL_LOG N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Allows access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS N/A N/A
Required to be able to access the camera device. android.permission.CAMERA N/A N/A
Allows an application to record audio. android.permission.RECORD_AUDIO N/A N/A
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION N/A N/A
Allows an app to access precise location. android.permission.ACCESS_FINE_LOCATION N/A N/A
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 N/A N/A
Allows an application to read from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
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 N/A N/A
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 N/A N/A
Allows an application to request installing packages. android.permission.REQUEST_INSTALL_PACKAGES N/A N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-07-19 13:37

Reported

2024-07-19 13:40

Platform

android-33-x64-arm64-20240624-en

Max time kernel

179s

Max time network

178s

Command Line

um.tahoe.broker

Signatures

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Makes use of the framework's foreground persistence service

evasion persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.setServiceForeground N/A N/A

Schedules tasks to execute at a specified time

execution persistence
Description Indicator Process Target
Framework service call android.app.job.IJobScheduler.schedule N/A N/A

Processes

um.tahoe.broker

Network

Country Destination Domain Proto
GB 142.250.200.36:443 udp
GB 142.250.200.36:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.212.238:443 android.apis.google.com tcp
US 1.1.1.1:53 rcs-acs-tmo-us.jibe.google.com udp
US 216.239.36.155:443 rcs-acs-tmo-us.jibe.google.com tcp
US 172.64.41.3:443 tcp
US 172.64.41.3:443 tcp
GB 172.217.169.67:443 tcp
US 172.64.41.3:443 udp
GB 172.217.169.67:443 udp
GB 142.250.200.36:443 udp
GB 216.58.204.68:443 udp
GB 216.58.204.68:443 tcp
GB 216.58.204.68:443 tcp
GB 216.58.201.99:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.178.14:443 android.apis.google.com udp
US 1.1.1.1:53 remoteprovisioning.googleapis.com udp
GB 216.58.213.10:443 remoteprovisioning.googleapis.com tcp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-19 13:37

Reported

2024-07-19 13:40

Platform

android-x64-20240624-en

Max time kernel

179s

Max time network

157s

Command Line

um.tahoe.broker

Signatures

Makes use of the framework's Accessibility service

collection evasion credential_access
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Makes use of the framework's foreground persistence service

evasion persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.setServiceForeground N/A N/A

Registers a broadcast receiver at runtime (usually for listening for system events)

persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.registerReceiver N/A N/A

Schedules tasks to execute at a specified time

execution persistence
Description Indicator Process Target
Framework service call android.app.job.IJobScheduler.schedule N/A N/A

Processes

um.tahoe.broker

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.187.232:443 ssl.google-analytics.com tcp
GB 142.250.187.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 android.apis.google.com tcp
GB 142.250.179.228:443 tcp
GB 142.250.179.228:443 tcp
GB 216.58.212.206:443 tcp
GB 142.250.200.2:443 tcp

Files

/storage/emulated/0/Config/sys/apps/log/log-2024-07-19.txt

MD5 de2c41a51ee9246eb1708f65b511add0
SHA1 2f442d634c8a18760a232c8829d4b5d74a52f074
SHA256 ad2d914ca347cd1930e32f21c6d5448c34104bea181b93abc85ec518985653ab
SHA512 7cdfbd001594503644e9ed80ae852f90ef9e841a8382e2eec6979e149a2c400a3b83055d205b4d1d66e1600e5127482932d5127eb5800d35a4ee5673fe34d84a

/storage/emulated/0/Config/sys/apps/log/log-2024-07-19.txt

MD5 d5df609115a56748e3ee4746c4519c10
SHA1 5072ac1782b18245b27301fe11a8dd6684520d20
SHA256 563a222f0ead65d2aa7a4a4b34e341b11efedc4e622684d572a48dfe3a15921a
SHA512 d6d769c3d8124722e4e58358c595f731a1e5261d6b5844cd9b35b906f0dc05e4b951349bc70174a1c7486a7ef1db7f86478d2c16789aed64b1023897f642d60f

/storage/emulated/0/Config/sys/apps/log/log-2024-07-19.txt

MD5 11fa7fad5a8ff5baea05ef1d75d56402
SHA1 dd9778eb3a0fa8204ad9dccb9fbf6b711cb736ba
SHA256 76daa30be424486bb90569267769be8bbc28d5770b9d8b07d41372d064df9ba7
SHA512 6bc8d9f1a98cd5bd6bf3f496b201a50780afce5e2b288850a303a4f0d0dfcef9bc5c0a8a750bd1d8245061482c837b1fe1244e452e8aa6f05d6e56aec81e6616

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-19 13:37

Reported

2024-07-19 13:40

Platform

android-x64-arm64-20240624-en

Max time kernel

179s

Max time network

174s

Command Line

um.tahoe.broker

Signatures

Makes use of the framework's Accessibility service

collection evasion credential_access
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Makes use of the framework's foreground persistence service

evasion persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.setServiceForeground N/A N/A

Tries to add a device administrator.

privilege_escalation impact
Description Indicator Process Target
Intent action android.app.action.ADD_DEVICE_ADMIN N/A N/A

Schedules tasks to execute at a specified time

execution persistence
Description Indicator Process Target
Framework service call android.app.job.IJobScheduler.schedule N/A N/A

Processes

um.tahoe.broker

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 172.217.16.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.212.238:443 android.apis.google.com tcp
GB 216.58.212.238:443 android.apis.google.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.187.232:443 ssl.google-analytics.com tcp
GB 142.250.187.196:443 tcp
GB 142.250.187.196:443 tcp
US 1.1.1.1:53 accounts.google.com udp
US 1.1.1.1:53 accounts.google.com udp
US 1.1.1.1:53 static.xx.fbcdn.net udp
US 1.1.1.1:53 www.google.com udp
GB 74.125.71.84:443 accounts.google.com tcp
GB 157.240.221.16:443 static.xx.fbcdn.net tcp
GB 142.250.180.4:443 www.google.com tcp
GB 142.250.180.4:443 www.google.com tcp
US 1.1.1.1:53 www.google.com udp
GB 142.250.180.4:443 www.google.com tcp
US 1.1.1.1:53 update.googleapis.com udp
GB 172.217.16.227:443 update.googleapis.com tcp
US 1.1.1.1:53 clients1.google.com udp
GB 142.250.178.14:443 clients1.google.com tcp
US 1.1.1.1:53 update.googleapis.com udp
GB 216.58.204.66:443 tcp
GB 216.58.212.206:443 tcp

Files

/storage/emulated/0/Config/sys/apps/log/log-2024-07-19.txt

MD5 de2c41a51ee9246eb1708f65b511add0
SHA1 2f442d634c8a18760a232c8829d4b5d74a52f074
SHA256 ad2d914ca347cd1930e32f21c6d5448c34104bea181b93abc85ec518985653ab
SHA512 7cdfbd001594503644e9ed80ae852f90ef9e841a8382e2eec6979e149a2c400a3b83055d205b4d1d66e1600e5127482932d5127eb5800d35a4ee5673fe34d84a

/storage/emulated/0/Config/sys/apps/log/log-2024-07-19.txt

MD5 ece45f8623243feea4df6c2fe45b36e1
SHA1 ef24e005271d92ed255e24a40a15d94b0d5f6bd3
SHA256 e011b2d4119782d41972729f76497925f6f503f6b87dbf8363a50d5134ff39a2
SHA512 86e5a142bb1c4607af14414558fca4711e9a043842aef5add7229d2b49a640d43d62383729edd60869f26e2ad28218d48228303e358b56038267d8bdaf6353da

/storage/emulated/0/Config/sys/apps/log/log-2024-07-19.txt

MD5 deb420cd909c714a23133f72faf37546
SHA1 ae0a435f72478eb9a755c329c51db2e5ed8a2313
SHA256 d245375582d6d72c8dd2f5ffdf918c67c85edb943674e0e9660aa32de675ce94
SHA512 444eace31d60b1a62bc4bcce86270ab5ab918ac475b75ff1ab71f678e0195b00ef831bf31b2a8f20dec92a49b4d8d6340eace357cce585ef71b12279467fad48