Malware Analysis Report

2025-01-23 12:28

Sample ID 241031-jd756atgrr
Target ready (4).apk
SHA256 a5cf09df96aa76a68321a8d9f165212161d5ac9cea89d326afdc9df0487c30a6
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

a5cf09df96aa76a68321a8d9f165212161d5ac9cea89d326afdc9df0487c30a6

Threat Level: Known bad

The file ready (4).apk was found to be: Known bad.

Malicious Activity Summary

spynote banker collection credential_access discovery evasion execution persistence stealth trojan

Spynote family

Spynote payload

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)

Performs UI accessibility actions on behalf of the user

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

Declares broadcast receivers with permission to handle system events

Makes use of the framework's foreground persistence service

Declares services with permission to bind to the system

Requests dangerous framework permissions

Acquires the wake lock

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 07:34

Signatures

Spynote family

spynote

Spynote payload

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

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 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

2024-10-31 07:34

Reported

2024-10-31 07:35

Platform

android-x64-arm64-20240624-en

Max time kernel

59s

Max time network

54s

Command Line

faculty.croatia.tt

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

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

faculty.croatia.tt

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 216.58.201.110:443 android.apis.google.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.180.8:443 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 39cd9eec0d7be0e88434c888a2dfe6bd
SHA1 ba157e6598319f3e8d8e331e4917caa453a92419
SHA256 6b33bdfba9fa0c827cbee5cb22e5b8c2ff4d305d2929eff960204f90fc68c3ac
SHA512 3756de26b88c0da59ed19970c50f2e0dce0571990ce4c1fceb76b6ed2ed7a5237e054ae3ea86ee71880face105b4beb6e35abc77264b4908d826759bdc6d2c03

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

MD5 d49bd19b7a7dde512e2fac1cf67b1ac6
SHA1 d4ddcedffce740e83bae9030706a5cf47298ab5a
SHA256 6bb9f0a0b7c60cfb41c459669db9dbc7f5d7551369527786a26adc0c78fe0605
SHA512 86657c9c0d826905e19304c948c9fa6fab77ff5f6590a8d303576185bbe4d51e61e3287868cf9cf7a43501452d43e86c06623210cc65553cb5cdf9395593cf09

/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 0c7699bed2e84320c2b997e545f4cab5
SHA1 3a5bf24317bd49ad405d113f6c1e05d2aac2a4e5
SHA256 5e2befd19dd0c9291edeb5040952efbb1cb89540580e04f9d23318d01fb0a468
SHA512 dcb79959ee41f537aad53c42cd086e3ec12d3603a9ea2c6ea844def0f68d9ef99b6971a0988868af0431a89349abc21fefb558f73e84008839fd4d76ca379292