Malware Analysis Report

2024-10-19 11:58

Sample ID 240701-1yxnlasekb
Target 0636edab4dabf01f5e6b8c823d95753dbab1509aeddc2304340a050a864273cd.bin
SHA256 0636edab4dabf01f5e6b8c823d95753dbab1509aeddc2304340a050a864273cd
Tags
discovery evasion execution impact persistence privilege_escalation stealth trojan
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Mobile Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
8/10

SHA256

0636edab4dabf01f5e6b8c823d95753dbab1509aeddc2304340a050a864273cd

Threat Level: Likely malicious

The file 0636edab4dabf01f5e6b8c823d95753dbab1509aeddc2304340a050a864273cd.bin was found to be: Likely malicious.

Malicious Activity Summary

discovery evasion execution impact persistence privilege_escalation stealth trojan

Removes its main activity from the application launcher

Queries the phone number (MSISDN for GSM devices)

Queries the unique device ID (IMEI, MEID, IMSI)

Queries the mobile country code (MCC)

Reads device software version

Reads information about phone network operator.

Acquires the wake lock

Queries information about active data network

Makes use of the framework's foreground persistence service

Requests dangerous framework permissions

Declares broadcast receivers with permission to handle system events

Tries to add a device administrator.

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

Schedules tasks to execute at a specified time

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-01 22:04

Signatures

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

Requests dangerous framework permissions

Description Indicator Process Target
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 application to see the number being dialed during an outgoing call with the option to redirect the call to a different number or abort the call altogether. android.permission.PROCESS_OUTGOING_CALLS 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 write and read the user's call log data. android.permission.WRITE_CALL_LOG N/A N/A
Allows the app to answer an incoming phone call. android.permission.ANSWER_PHONE_CALLS N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to send SMS messages. android.permission.SEND_SMS N/A N/A
Allows an application to monitor incoming MMS messages. android.permission.RECEIVE_MMS N/A N/A
Allows the app to answer an incoming phone call. android.permission.ANSWER_PHONE_CALLS N/A N/A
Allows an application to receive WAP push messages. android.permission.RECEIVE_WAP_PUSH 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 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 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

Analysis: behavioral3

Detonation Overview

Submitted

2024-07-01 22:04

Reported

2024-07-01 22:17

Platform

android-x64-arm64-20240624-en

Max time kernel

174s

Max time network

182s

Command Line

flj.toxzj.yno

Signatures

Removes its main activity from the application launcher

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

Queries the phone number (MSISDN for GSM devices)

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

Queries information about active data network

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

Queries the mobile country code (MCC)

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone N/A N/A

Reads device software version

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getDeviceSoftwareVersionForSlot N/A N/A

Reads information about phone network operator.

discovery

Tries to add a device administrator.

privilege_escalation impact
Description Indicator Process Target
Intent action android.app.action.ADD_DEVICE_ADMIN 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

flj.toxzj.yno

Network

Country Destination Domain Proto
GB 142.250.180.14:443 tcp
GB 142.250.180.14:443 tcp
GB 142.250.180.14:443 tcp
N/A 224.0.0.251:5353 udp
TW 220.136.212.209:8090 tcp
US 1.1.1.1:53 cb.smskoms.com udp
TW 220.136.212.209:8090 tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.187.200:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 github.com udp
GB 20.26.156.215:443 github.com tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
GB 142.250.200.36:443 tcp
GB 142.250.200.36:443 tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
US 1.1.1.1:53 github.com udp
GB 20.26.156.215:443 github.com tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp

Files

/data/user/0/flj.toxzj.yno/files/config

MD5 cc60cf14387c1bd5dcf03b423eb9976c
SHA1 b032561b0c81637ae3a20de5b1159ba62a4298f2
SHA256 4d14f36b656297ce826d1f95dece4bea9f33e7152ae20e6759861a866d56ebcd
SHA512 b0a0671b2dd3f87622f311e1ac7a4fcc3a10234ffa22d80dc9e48e56a917f495845cfbe65eeb02220351f8c6918d0ea1a1b2ebabf7666a7ec04934f323489515

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-01 22:04

Reported

2024-07-01 22:17

Platform

android-x86-arm-20240624-en

Max time kernel

179s

Max time network

178s

Command Line

flj.toxzj.yno

Signatures

Removes its main activity from the application launcher

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

Queries the phone number (MSISDN for GSM devices)

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

Queries information about active data network

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

Queries the mobile country code (MCC)

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone N/A N/A

Queries the unique device ID (IMEI, MEID, IMSI)

discovery

Reads information about phone network operator.

discovery

Tries to add a device administrator.

privilege_escalation impact
Description Indicator Process Target
Intent action android.app.action.ADD_DEVICE_ADMIN 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

Processes

flj.toxzj.yno

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

/system/bin/ping -c 1 8.8.8.8

/system/bin/ping -c 1 www.baidu.com

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
TW 220.136.212.209:8090 tcp
US 1.1.1.1:53 cb.smskoms.com udp
US 1.1.1.1:53 www.baidu.com udp
TW 220.136.212.209:8090 tcp
US 1.1.1.1:53 188.47.235.103.in-addr.arpa udp
US 1.1.1.1:53 github.com udp
GB 20.26.156.215:443 github.com tcp
US 1.1.1.1:53 www.baidu.com udp
TW 220.136.212.209:8090 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 216.58.204.78:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.212.238:443 android.apis.google.com tcp
TW 220.136.212.209:8090 tcp
GB 142.250.179.234:443 semanticlocation-pa.googleapis.com tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
US 1.1.1.1:53 www.baidu.com udp
US 1.1.1.1:53 www.baidu.com udp
TW 220.136.212.209:8090 tcp
US 1.1.1.1:53 www.baidu.com udp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
US 1.1.1.1:53 www.baidu.com udp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
US 1.1.1.1:53 www.baidu.com udp
US 1.1.1.1:53 96.46.235.103.in-addr.arpa udp
TW 220.136.212.209:8090 tcp
US 1.1.1.1:53 github.com udp
GB 20.26.156.215:443 github.com tcp
TW 220.136.212.209:8090 tcp
US 1.1.1.1:53 www.baidu.com udp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp

Files

/data/data/flj.toxzj.yno/files/config

MD5 cc60cf14387c1bd5dcf03b423eb9976c
SHA1 b032561b0c81637ae3a20de5b1159ba62a4298f2
SHA256 4d14f36b656297ce826d1f95dece4bea9f33e7152ae20e6759861a866d56ebcd
SHA512 b0a0671b2dd3f87622f311e1ac7a4fcc3a10234ffa22d80dc9e48e56a917f495845cfbe65eeb02220351f8c6918d0ea1a1b2ebabf7666a7ec04934f323489515

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-01 22:04

Reported

2024-07-01 22:17

Platform

android-x64-20240624-en

Max time kernel

173s

Max time network

184s

Command Line

flj.toxzj.yno

Signatures

Removes its main activity from the application launcher

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

Queries the phone number (MSISDN for GSM devices)

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

Queries information about active data network

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

Queries the mobile country code (MCC)

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone N/A N/A

Queries the unique device ID (IMEI, MEID, IMSI)

discovery

Reads device software version

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getDeviceSoftwareVersionForSlot N/A N/A

Reads information about phone network operator.

discovery

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

Processes

flj.toxzj.yno

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 cb.smskoms.com udp
TW 220.136.212.209:8090 tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
US 1.1.1.1:53 www.baidu.com udp
US 1.1.1.1:53 188.47.235.103.in-addr.arpa udp
TW 220.136.212.209:8090 tcp
US 1.1.1.1:53 github.com udp
GB 142.250.200.8:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 www.baidu.com udp
US 1.1.1.1:53 96.46.235.103.in-addr.arpa udp
TW 220.136.212.209:8090 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 142.250.200.10:443 semanticlocation-pa.googleapis.com tcp
GB 20.26.156.215:443 github.com tcp
GB 142.250.180.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
GB 172.217.16.228:443 tcp
GB 172.217.16.228:443 tcp
GB 216.58.213.10:443 semanticlocation-pa.googleapis.com tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
GB 142.250.179.238:443 tcp
GB 142.250.200.34:443 tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
US 1.1.1.1:53 github.com udp
GB 20.26.156.215:443 github.com tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp
TW 220.136.212.209:8090 tcp

Files

/data/data/flj.toxzj.yno/files/config

MD5 cc60cf14387c1bd5dcf03b423eb9976c
SHA1 b032561b0c81637ae3a20de5b1159ba62a4298f2
SHA256 4d14f36b656297ce826d1f95dece4bea9f33e7152ae20e6759861a866d56ebcd
SHA512 b0a0671b2dd3f87622f311e1ac7a4fcc3a10234ffa22d80dc9e48e56a917f495845cfbe65eeb02220351f8c6918d0ea1a1b2ebabf7666a7ec04934f323489515