Malware Analysis Report

2025-04-03 09:08

Sample ID 250308-rxkszaytc1
Target YO_3316_23.apk
SHA256 76e1da2f80f589d4001fbecebb865f89d18b145d830f7311e138aa23b825a630
Tags
triada
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

76e1da2f80f589d4001fbecebb865f89d18b145d830f7311e138aa23b825a630

Threat Level: Known bad

The file YO_3316_23.apk was found to be: Known bad.

Malicious Activity Summary

triada

Android Triada payload

Triada family

Declares services with permission to bind to the system

Requests dangerous framework permissions

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2025-03-08 14:34

Signatures

Android Triada payload

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

Triada family

triada

Declares services with permission to bind to the system

Description Indicator Process Target
Required by chooser target services to bind with the system. Allows apps to modify targets that handle user actions. android.permission.BIND_CHOOSER_TARGET_SERVICE N/A N/A
Required by remote views services to bind with the system. Allows apps to share and display views across different processes. android.permission.BIND_REMOTEVIEWS N/A N/A
Required by telecom connection services to bind with the system. Allows apps to manage phone call aspects such as call setup and notifications. android.permission.BIND_TELECOM_CONNECTION_SERVICE N/A N/A

Requests dangerous framework permissions

Description Indicator Process Target
Allows an app to post notifications. android.permission.POST_NOTIFICATIONS 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 read access to the device's phone number(s). android.permission.READ_PHONE_NUMBERS N/A N/A
Required to be able to connect to paired Bluetooth devices. android.permission.BLUETOOTH_CONNECT 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 application to access any geographic locations persisted in the user's shared collection. android.permission.ACCESS_MEDIA_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 record audio. android.permission.RECORD_AUDIO N/A N/A
Allows applications to use exact alarm APIs. android.permission.SCHEDULE_EXACT_ALARM N/A N/A
Allows an application to write the user's contacts data. android.permission.WRITE_CONTACTS 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 application to read audio files from external storage. android.permission.READ_MEDIA_AUDIO N/A N/A
Allows an application to read image files from external storage. android.permission.READ_MEDIA_IMAGES N/A N/A
Allows an application to read video files from external storage. android.permission.READ_MEDIA_VIDEO N/A N/A
Allows an application to read image or video files from external storage that a user has selected via the permission prompt photo picker. android.permission.READ_MEDIA_VISUAL_USER_SELECTED N/A N/A
Allows an application to request installing packages. android.permission.REQUEST_INSTALL_PACKAGES 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 advertise and connect to nearby devices via Wi-Fi. android.permission.NEARBY_WIFI_DEVICES N/A N/A
Required to be able to discover and pair nearby Bluetooth devices. android.permission.BLUETOOTH_SCAN N/A N/A
Required to be able to advertise to nearby Bluetooth devices. android.permission.BLUETOOTH_ADVERTISE N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-03-08 14:34

Reported

2025-03-08 14:37

Platform

android-x86-arm-20240910-en

Max time kernel

1s

Max time network

144s

Command Line

com.yardmaster.chat

Signatures

N/A

Processes

com.yardmaster.chat

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
AU 1.1.1.1:53 digitalassetlinks.googleapis.com udp
GB 172.217.16.238:443 tcp
GB 172.217.16.238:443 tcp
GB 216.58.212.238:443 tcp
AU 1.1.1.1:53 android.apis.google.com udp
GB 172.217.169.78:443 android.apis.google.com tcp

Files

N/A