Malware Analysis Report

2025-01-23 12:30

Sample ID 241031-jlpzjstfqd
Target ready_1.apk
SHA256 1841e8606b464685bb24440f01b96a0d8b7d310654e6c14b6418e93a16d12c52
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

1841e8606b464685bb24440f01b96a0d8b7d310654e6c14b6418e93a16d12c52

Threat Level: Known bad

The file ready_1.apk was found to be: Known bad.

Malicious Activity Summary

spynote banker collection credential_access discovery evasion execution persistence stealth trojan

Spynote payload

Spynote family

Removes its main activity from the application launcher

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

Makes use of the framework's Accessibility service

Acquires the wake lock

Requests dangerous framework permissions

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

Declares services with permission to bind to the system

Makes use of the framework's foreground persistence service

Performs UI accessibility actions on behalf of the user

Declares broadcast receivers with permission to handle system events

Attempts to obfuscate APK file format

Queries information about active data network

Schedules tasks to execute at a specified time

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-31 07:48

Signatures

Spynote family

spynote

Spynote payload

Description Indicator Process Target
N/A N/A N/A N/A

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
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

2024-10-31 07:45

Reported

2024-10-31 07:50

Platform

android-x64-arm64-20240624-en

Max time kernel

59s

Max time network

67s

Command Line

mess.mcdonald.contests

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

Queries information about active data network

discovery
Description Indicator Process Target
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo 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

mess.mcdonald.contests

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 172.217.169.42:443 tcp
GB 172.217.169.42:443 tcp
GB 172.217.16.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.179.238:443 android.apis.google.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 216.58.212.232:443 ssl.google-analytics.com tcp
DE 193.233.254.67:7777 tcp
GB 142.250.187.196:443 tcp
GB 142.250.187.196:443 tcp

Files

/storage/emulated/0/Config/sys/apps/log/log-2024-10-31.txt

MD5 ea2cd29c192da6b91c2d9c5ab7871659
SHA1 fbc2f5f7cba4581aa7788645826fc56b542f88e8
SHA256 f33d22e972838b1c4322a0bd77e1b0abe1b1a01bec7454fac71a698154749301
SHA512 7078fa705af06cff9072101120e9c6ff7454785bd564cafeb6f15825c3373887154a6ab2a18d2823ce0fc1d042d04de6aad87e7f682f246ca498b2fe5cf8cdfa

/storage/emulated/0/Config/sys/apps/log/log-2024-10-31.txt

MD5 ba30336bf53d54ed3c0ea69dd545de8c
SHA1 ce99c6724c75b93b7448e2d9fac16ca702a5711f
SHA256 2d6988fb5afdaafc4e33fa1f71d6f10c95ab5a49a8ec820add5b13eef05439af
SHA512 eea34ca526e03349e746d3687ea660b4748f0174fe2ffdb65161e232e08630b345e03329614852ce881a71362ba68575e9dd08fa361a416e5b2fb231e21a0a3e

/storage/emulated/0/Config/sys/apps/log/log-2024-10-31.txt

MD5 0fe2175cebbfa5838ba9aedd873e3f62
SHA1 3657f5418c8499df9ffe7121b98f535103ac451c
SHA256 112c4edbd77fe022d3f8276dd856f290fa1956de23fa146384382a49b274cd6e
SHA512 60d3903724554d4fd8146059ac50e5cccee33c250f561adfd6e6e9b1dd6e1ffbc37b62cb698880e2acc74c6af71cebcc2472260e5897163924b76b0c65a25497

/storage/emulated/0/Config/sys/apps/log/log-2024-10-31.txt

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