Malware Analysis Report

2024-12-01 03:18

Sample ID 241022-bzxmjsygnd
Target 7f1fb85f14d22d0a5cf5973b00140ff058c1edd2c74392fe0cb66ee7b2e70e53.apk
SHA256 7f1fb85f14d22d0a5cf5973b00140ff058c1edd2c74392fe0cb66ee7b2e70e53
Tags
collection credential_access discovery evasion execution impact persistence golddigger
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

7f1fb85f14d22d0a5cf5973b00140ff058c1edd2c74392fe0cb66ee7b2e70e53

Threat Level: Known bad

The file 7f1fb85f14d22d0a5cf5973b00140ff058c1edd2c74392fe0cb66ee7b2e70e53.apk was found to be: Known bad.

Malicious Activity Summary

collection credential_access discovery evasion execution impact persistence golddigger

GoldDigger payload

Golddigger family

Makes use of the framework's Accessibility service

Queries account information for other applications stored on the device

Queries information about running processes on the device

Makes use of the framework's foreground persistence service

Queries information about active data network

Declares services with permission to bind to the system

Requests dangerous framework permissions

Acquires the wake lock

Declares broadcast receivers with permission to handle system events

Uses Crypto APIs (Might try to encrypt user data)

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

2024-10-22 01:35

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

2024-10-22 01:35

Reported

2024-10-22 01:38

Platform

android-x86-arm-20240624-en

Max time kernel

148s

Max time network

140s

Command Line

com.sextest.test

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.sextest.test

com.sextest.test:s1

com.sextest.test: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 142.250.187.202:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 www.baidu.com udp
HK 103.235.46.96:80 www.baidu.com tcp
HK 103.235.46.96:80 www.baidu.com tcp
HK 103.235.46.96:80 www.baidu.com tcp
HK 103.235.46.96:80 www.baidu.com tcp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.16.238:443 android.apis.google.com tcp
US 1.1.1.1:53 rpc.ynwxjd.vip udp
US 104.21.10.141:443 rpc.ynwxjd.vip tcp
US 104.21.10.141:443 rpc.ynwxjd.vip tcp

Files

/data/data/com.sextest.test/no_backup/androidx.work.workdb-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.sextest.test/no_backup/androidx.work.workdb-wal

MD5 5229ea4330c74d52e505054a5583a2ea
SHA1 0fb319a8f7c3191177ffab4ab9d45d0a980c651a
SHA256 12b564b3436dd020345ecb6d4dffa35b8cbb3ba72aee2623cbba922b674f22fe
SHA512 5990d37d4e1a6178dd1c1ed044310f287b7506acbcb255e5285627ca6521cdf46da3eb4ed3b80440711b8b8d81a6d771aad47c24fb81dac00fd4d54a3ccdde2d

/data/data/com.sextest.test/no_backup/androidx.work.workdb

MD5 3b5c5967d2b5a064cbdd38c71e91be1a
SHA1 44c99438dd1146652f3f220da6337c50f5348bca
SHA256 fa1acb851f551686424542de445e076ea7478fcfa11f5a4fa1f263a87cdc495f
SHA512 79cb70dc0a5988df351460cf2926f110f510ab9998af63da65332b727d5f6d0e04232e2c26fcd66ca6b285b56adb0c17b693a5c4b56dc6a1111d5d8370e871a8