Malware Analysis Report

2025-01-23 12:29

Sample ID 241101-hzxqwaybnh
Target Predator.apk
SHA256 d2c2b10763c87c50ef37c323707edab8f9574df4ff5428db22e04dc161d1a175
Tags
spynote banker collection credential_access discovery evasion execution persistence stealth trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Mobile Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

d2c2b10763c87c50ef37c323707edab8f9574df4ff5428db22e04dc161d1a175

Threat Level: Known bad

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

Malicious Activity Summary

spynote banker collection credential_access discovery evasion execution persistence stealth trojan

Spynote family

Removes its main activity from the application launcher

Makes use of the framework's Accessibility service

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

Requests disabling of battery optimizations (often used to enable hiding in the background).

Makes use of the framework's foreground persistence service

Attempts to obfuscate APK file format

Declares broadcast receivers with permission to handle system events

Declares services with permission to bind to the system

Requests dangerous framework permissions

Acquires the wake lock

Performs UI accessibility actions on behalf of the user

Schedules tasks to execute at a specified time

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-01 07:23

Signatures

Spynote family

spynote

Attempts to obfuscate APK file format

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 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: behavioral1

Detonation Overview

Submitted

2024-11-01 07:11

Reported

2024-11-01 07:35

Platform

android-x64-arm64-20240624-en

Max time kernel

59s

Max time network

52s

Command Line

yale.functional.possible

Signatures

Removes its main activity from the application launcher

stealth trojan evasion
Description Indicator Process Target
N/A N/A N/A N/A

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
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId N/A N/A

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

banker discovery

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

Performs UI accessibility actions on behalf of the user

evasion
Description Indicator Process Target
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A

Requests disabling of battery optimizations (often used to enable hiding in the background).

evasion
Description Indicator Process Target
Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS 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

yale.functional.possible

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 172.217.169.14:443 android.apis.google.com tcp
GB 172.217.169.42:443 tcp
GB 172.217.169.14:443 android.apis.google.com tcp
GB 172.217.169.42:443 tcp
NL 89.238.177.28:7744 tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 172.217.169.40:443 ssl.google-analytics.com tcp
GB 142.250.187.196:443 tcp
GB 142.250.187.196:443 tcp

Files

/storage/emulated/0/Config/sys/apps/log/log-2024-11-01.txt

MD5 749af3b8d53606c7777359dff271710a
SHA1 38c222bd446af5f06b689e6d1edb6be053dc1918
SHA256 507d4a875476633d215eb27e67af2b56c3b12b3403328781850508da7c17a5af
SHA512 1bf956585a5d3c2b246e2f4b05292d28776172257599d71f246404b8124450be8a110b37111f929d1717c8bcb414c99ccb490d98f192b7e6e31dfde7c2bacccc

/storage/emulated/0/Config/sys/apps/log/log-2024-11-01.txt

MD5 ba30336bf53d54ed3c0ea69dd545de8c
SHA1 ce99c6724c75b93b7448e2d9fac16ca702a5711f
SHA256 2d6988fb5afdaafc4e33fa1f71d6f10c95ab5a49a8ec820add5b13eef05439af
SHA512 eea34ca526e03349e746d3687ea660b4748f0174fe2ffdb65161e232e08630b345e03329614852ce881a71362ba68575e9dd08fa361a416e5b2fb231e21a0a3e

/storage/emulated/0/Config/sys/apps/log/log-2024-11-01.txt

MD5 1f38239697428f7208668a15e5ae18b1
SHA1 0376df5efbb87c31db0318cd8cdcaa885b0d5608
SHA256 37cf804fba0ff5085240d98c8523051b68147d3265f537e2b1fd58eeca3bfa75
SHA512 3d9c2c846c6d1570c5510347d5f538b737f25540fb93d3d87ee1c211bc73789b0ea1c9e6bfbd01da8f4f7dd21e7bb9c7c5373104de87f2e0808f24970b72d007

/storage/emulated/0/Config/sys/apps/log/log-2024-11-01.txt

MD5 3af69119804d1d999d56d230338ffd36
SHA1 69350826205583c8acc385ee0a6e3fc2673ee2ca
SHA256 10994862cb263ab6b1e4428cc24cc9c585458fc67544fe0f5dfea81a5a7a115c
SHA512 4a41b19d28f637b397d9dff225621694c44c750a9bd65f3e6ad5d3b9acf0d118910ddf53d4618213f9e14c61e0fb154f33f2747dd3b8d50459990767f42fc8cb