Malware Analysis Report

2025-01-19 07:02

Sample ID 240523-petxtagg78
Target app-release.apk
SHA256 fe9b657bba2b6110cc8fdc9ca5c6be778806482341a5dc63c6b29aa942681aa0
Tags
discovery evasion persistence collection credential_access impact
score
7/10

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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

fe9b657bba2b6110cc8fdc9ca5c6be778806482341a5dc63c6b29aa942681aa0

Threat Level: Shows suspicious behavior

The file app-release.apk was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery evasion persistence collection credential_access impact

Checks memory information

Queries the mobile country code (MCC)

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

Obtains sensitive information copied to the device clipboard

Checks CPU information

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-23 12:15

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-23 12:14

Reported

2024-05-23 12:37

Platform

android-x86-arm-20240514-en

Max time kernel

150s

Max time network

130s

Command Line

com.moyun.myapplication

Signatures

Checks CPU information

evasion discovery
Description Indicator Process Target
File opened for read /proc/cpuinfo N/A N/A

Checks memory information

evasion discovery
Description Indicator Process Target
File opened for read /proc/meminfo 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

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

Processes

com.moyun.myapplication

Network

Country Destination Domain Proto
GB 142.250.187.195:443 tcp
N/A 224.0.0.251:5353 udp
GB 216.58.204.78:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.212.206:443 android.apis.google.com tcp
CN 47.111.81.250:8100 tcp
CN 47.111.81.250:8100 tcp
GB 142.250.178.3:443 tcp
CN 47.111.81.250:8100 tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-23 12:14

Reported

2024-05-23 12:36

Platform

android-x64-20240514-en

Max time kernel

156s

Max time network

151s

Command Line

com.moyun.myapplication

Signatures

Checks CPU information

evasion discovery
Description Indicator Process Target
File opened for read /proc/cpuinfo N/A N/A

Checks memory information

evasion discovery
Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Obtains sensitive information copied to the device clipboard

collection credential_access impact
Description Indicator Process Target
Framework service call android.content.IClipboard.addPrimaryClipChangedListener 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

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

Processes

com.moyun.myapplication

Network

Country Destination Domain Proto
GB 142.250.187.227:443 tcp
N/A 224.0.0.251:5353 udp
GB 142.250.178.10:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.238:443 android.apis.google.com tcp
GB 172.217.169.14:443 tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.178.8:443 ssl.google-analytics.com tcp
CN 47.111.81.250:8100 tcp
CN 47.111.81.250:8100 tcp
CN 47.111.81.250:8100 tcp
GB 142.250.200.46:443 tcp
GB 142.250.187.194:443 tcp
GB 172.217.16.228:443 tcp
GB 172.217.16.228:443 tcp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-05-23 12:14

Reported

2024-05-23 12:36

Platform

android-x64-arm64-20240514-en

Max time kernel

154s

Max time network

131s

Command Line

com.moyun.myapplication

Signatures

Checks CPU information

evasion discovery
Description Indicator Process Target
File opened for read /proc/cpuinfo N/A N/A

Checks memory information

evasion discovery
Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Obtains sensitive information copied to the device clipboard

collection credential_access impact
Description Indicator Process Target
Framework service call android.content.IClipboard.addPrimaryClipChangedListener N/A N/A

Processes

com.moyun.myapplication

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.178.14:443 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 142.250.187.232:443 ssl.google-analytics.com tcp
CN 47.111.81.250:8100 tcp
CN 47.111.81.250:8100 tcp
CN 47.111.81.250:8100 tcp
GB 142.250.178.4:443 tcp
GB 142.250.178.4:443 tcp

Files

N/A