Malware Analysis Report

2025-01-19 06:59

Sample ID 240522-nsz6badb76
Target 文件编辑器X.apk
SHA256 5e03e2365dc56ab95e26ca9dd42377af1d2c99d8a09b7141b04e2540894c7a8d
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

5e03e2365dc56ab95e26ca9dd42377af1d2c99d8a09b7141b04e2540894c7a8d

Threat Level: Shows suspicious behavior

The file 文件编辑器X.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 if the internet connection is available

Requests dangerous framework permissions

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-22 11:40

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-22 11:40

Reported

2024-05-22 11:43

Platform

android-x86-arm-20240514-en

Max time kernel

48s

Max time network

132s

Command Line

com.fexdo.fileeditorx

Signatures

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

Checks if the internet connection is available

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

Processes

com.fexdo.fileeditorx

Network

Country Destination Domain Proto
GB 142.250.200.14:443 tcp
N/A 224.0.0.251:5353 udp
GB 172.217.16.234:443 tcp
GB 142.250.180.14:443 tcp
US 1.1.1.1:53 www.google.com udp
GB 172.217.16.228:443 www.google.com tcp
CN 115.28.5.228:80 tcp
US 1.1.1.1:53 www.google.com udp
GB 142.250.200.4:443 www.google.com tcp
US 1.1.1.1:53 ccyuynol udp
US 1.1.1.1:53 jspsfxzcsm udp
US 1.1.1.1:53 sddckebs udp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.204.78:443 android.apis.google.com tcp
GB 216.58.204.78:443 android.apis.google.com tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-22 11:40

Reported

2024-05-22 11:43

Platform

android-x64-20240514-en

Max time kernel

49s

Max time network

154s

Command Line

com.fexdo.fileeditorx

Signatures

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

Checks if the internet connection is available

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

Processes

com.fexdo.fileeditorx

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
CN 115.28.5.228:80 tcp
GB 142.250.187.200:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.212.238:443 android.apis.google.com tcp
GB 172.217.169.14:443 tcp
GB 142.250.200.46:443 tcp
GB 172.217.16.226:443 tcp
GB 216.58.204.68:443 tcp
GB 216.58.204.68:443 tcp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-05-22 11:40

Reported

2024-05-22 11:43

Platform

android-x64-arm64-20240514-en

Max time kernel

22s

Max time network

133s

Command Line

com.fexdo.fileeditorx

Signatures

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

Checks if the internet connection is available

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

Processes

com.fexdo.fileeditorx

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 172.217.169.14:443 tcp
GB 172.217.169.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.238:443 android.apis.google.com tcp
GB 142.250.187.238:443 android.apis.google.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 216.58.204.72:443 ssl.google-analytics.com tcp
CN 115.28.5.228:80 tcp
GB 142.250.200.4:443 tcp
GB 142.250.200.4:443 tcp
US 1.1.1.1:53 www.google.com udp
GB 172.217.16.228:443 www.google.com tcp

Files

N/A