Malware Analysis Report

2024-09-09 13:37

Sample ID 240610-md5ltagd52
Target VirusShare_d597de85a073d1ba7bf1c1a82e6e0f96
SHA256 dab0847dbb9f33aadc8cca8f62eecb3124d2556148a845ffea35214a79135293
Tags
discovery evasion persistence stealth trojan
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
8/10

SHA256

dab0847dbb9f33aadc8cca8f62eecb3124d2556148a845ffea35214a79135293

Threat Level: Likely malicious

The file VirusShare_d597de85a073d1ba7bf1c1a82e6e0f96 was found to be: Likely malicious.

Malicious Activity Summary

discovery evasion persistence stealth trojan

Removes its main activity from the application launcher

Queries the phone number (MSISDN for GSM devices)

Makes use of the framework's foreground persistence service

Reads information about phone network operator.

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

Declares broadcast receivers with permission to handle system events

Requests dangerous framework permissions

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-10 10:21

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 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 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
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 read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-10 10:21

Reported

2024-06-10 10:35

Platform

android-x86-arm-20240603-en

Max time kernel

8s

Max time network

130s

Command Line

com.ass.player

Signatures

Removes its main activity from the application launcher

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

Queries the phone number (MSISDN for GSM devices)

discovery

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

Reads information about phone network operator.

discovery

Processes

com.ass.player

com.ass.player:zprt

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 android.apis.google.com tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-10 10:21

Reported

2024-06-10 10:35

Platform

android-x64-20240603-en

Max time kernel

9s

Max time network

129s

Command Line

com.ass.player

Signatures

Removes its main activity from the application launcher

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

Queries the phone number (MSISDN for GSM devices)

discovery

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 the unique device ID (IMEI, MEID, IMSI)

discovery

Reads information about phone network operator.

discovery

Processes

com.ass.player

com.ass.player:zprt

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 216.58.201.106:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.238:443 android.apis.google.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.200.40:443 ssl.google-analytics.com tcp
GB 142.250.179.238:443 tcp
GB 142.250.187.226:443 tcp
GB 142.250.200.36:443 tcp
GB 142.250.200.36:443 tcp
GB 216.58.212.206:443 tcp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-10 10:21

Reported

2024-06-10 10:36

Platform

android-x64-arm64-20240603-en

Max time kernel

12s

Max time network

132s

Command Line

com.ass.player

Signatures

Removes its main activity from the application launcher

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

Queries the phone number (MSISDN for GSM devices)

discovery

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

Reads information about phone network operator.

discovery

Processes

com.ass.player

com.ass.player:zprt

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.187.234:443 tcp
GB 142.250.187.234:443 tcp
GB 142.250.179.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 216.58.212.200:443 ssl.google-analytics.com tcp
GB 142.250.180.4:443 tcp
GB 142.250.180.4:443 tcp

Files

N/A