Malware Analysis Report

2024-12-01 03:13

Sample ID 241121-dt6z5sygmr
Target MySSM.apk
SHA256 5bc409a54f7e89c5a3c465d3126326b7c22a35b9d2386eee5a979c6504eb2e42
Tags
golddigger collection credential_access discovery evasion execution impact persistence
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

5bc409a54f7e89c5a3c465d3126326b7c22a35b9d2386eee5a979c6504eb2e42

Threat Level: Known bad

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

Malicious Activity Summary

golddigger collection credential_access discovery evasion execution impact persistence

GoldDigger payload

Golddigger family

Queries information about running processes on the device

Queries account information for other applications stored on the device

Makes use of the framework's Accessibility service

Declares services with permission to bind to the system

Makes use of the framework's foreground persistence service

Requests dangerous framework permissions

Declares broadcast receivers with permission to handle system events

Queries information about active data network

Acquires the wake lock

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

Uses Crypto APIs (Might try to encrypt user data)

Schedules tasks to execute at a specified time

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-21 03:23

Signatures

GoldDigger payload

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

Golddigger family

golddigger

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 wallpaper services to bind with the system. Allows apps to provide live wallpapers. android.permission.BIND_WALLPAPER N/A N/A

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to record audio. android.permission.RECORD_AUDIO N/A N/A
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an application to read from external storage. android.permission.READ_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 an application to read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows an application to send SMS messages. android.permission.SEND_SMS 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 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 app to access location in the background. android.permission.ACCESS_BACKGROUND_LOCATION N/A N/A
Required to be able to access the camera device. android.permission.CAMERA N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Allows an application to write the user's contacts data. android.permission.WRITE_CONTACTS N/A N/A
Allows access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS N/A N/A
Allows applications to use exact alarm APIs. android.permission.SCHEDULE_EXACT_ALARM N/A N/A
Allows an application a broad access to external storage in scoped storage. android.permission.MANAGE_EXTERNAL_STORAGE 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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-21 03:19

Reported

2024-11-21 03:54

Platform

android-x86-arm-20240624-en

Max time kernel

148s

Max time network

157s

Command Line

com.aa.bb

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

Queries account information for other applications stored on the device

collection
Description Indicator Process Target
Framework service call android.accounts.IAccountManager.getAccountsAsUser N/A N/A
Framework service call android.accounts.IAccountManager.getAccountsAsUser N/A N/A
Framework service call android.accounts.IAccountManager.getAccountsAsUser N/A N/A

Queries information about running processes on the device

discovery
Description Indicator Process Target
Framework service call android.app.IActivityManager.getRunningAppProcesses N/A N/A
Framework service call android.app.IActivityManager.getRunningAppProcesses N/A N/A
Framework service call android.app.IActivityManager.getRunningAppProcesses 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

Queries information about active data network

discovery
Description Indicator Process Target
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo 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
Framework service call android.app.job.IJobScheduler.schedule N/A N/A

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A
Framework API call javax.crypto.Cipher.doFinal N/A N/A
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Processes

com.aa.bb

com.aa.bb:s1

com.aa.bb:main

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

getprop ro.build.display.id

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 216.58.204.74:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 www.baidu.com udp
HK 103.235.47.188:80 www.baidu.com tcp
HK 103.235.47.188:80 www.baidu.com tcp
HK 103.235.47.188:80 www.baidu.com tcp
HK 103.235.47.188:80 www.baidu.com tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 android.apis.google.com tcp
US 1.1.1.1:53 rpc.wxml.xyz udp
US 172.67.197.99:443 rpc.wxml.xyz tcp

Files

/data/data/com.aa.bb/no_backup/androidx.work.workdb-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.aa.bb/no_backup/androidx.work.workdb-wal

MD5 1103e9da0512d4eb4a30e1ec418760cf
SHA1 7fbd2f904ba08e8c4558c4466ba4ae68286bf530
SHA256 a110b1a55818aa54afec03182d3bb04227dcae65c2b5cabc6acc59c1af64c6fc
SHA512 d31c76b21baf1f7c0e69d318f9c0bbc4abfe98af69bd8b2586388a1c23a4a261e1ef101cfcd854574d8af8ed2f2cd195628a0558139c00d1a2bed23bad5b758e

/data/data/com.aa.bb/no_backup/androidx.work.workdb

MD5 b0f38c867c1faf23b1b07ebf9dc0ae65
SHA1 72f3c35197714785d850795861812f9256c9b1a1
SHA256 fe78d2137f68f27fab5e3869737fbf1ba813034a4315f3e19d3900945ea92d37
SHA512 a37f66a922467c3685948453e4f36ce8080c93765831e0dcf6f93e9f96f9538797f932dc28d544707d5440570173e0f8d0d76649684d0993d91abb7d50e92f9c