Malware Analysis Report

2025-01-19 07:01

Sample ID 240522-pjyrkaaf91
Target AAA_OTL_1.5.1.apk
SHA256 0efdc8f5e0c75e1c4a4b7008b1406a25915f5df9e6b0d08c69dcd2786909c2c3
Tags
discovery evasion persistence collection credential_access impact
score
8/10

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 Overview

score
8/10

SHA256

0efdc8f5e0c75e1c4a4b7008b1406a25915f5df9e6b0d08c69dcd2786909c2c3

Threat Level: Likely malicious

The file AAA_OTL_1.5.1.apk was found to be: Likely malicious.

Malicious Activity Summary

discovery evasion persistence collection credential_access impact

Checks if the Android device is rooted.

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

Declares services with permission to bind to the system

Checks the presence of a debugger

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-22 12:22

Signatures

Declares services with permission to bind to the system

Description Indicator Process Target
Required by VPN services to bind with the system. Allows apps to provision VPN services. android.permission.BIND_VPN_SERVICE N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-22 12:22

Reported

2024-05-22 13:20

Platform

android-x86-arm-20240514-en

Max time kernel

18s

Max time network

146s

Command Line

org.outline.android.client

Signatures

Checks if the Android device is rooted.

evasion
Description Indicator Process Target
N/A /sbin/su N/A N/A
N/A /data/local/bin/su N/A N/A
N/A /data/local/su N/A N/A
N/A /data/local/xbin/su N/A N/A
N/A /sbin/su N/A N/A
N/A /data/local/bin/su N/A N/A
N/A /data/local/su N/A N/A
N/A /data/local/xbin/su N/A N/A

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

Checks the presence of a debugger

evasion

Processes

org.outline.android.client

org.outline.android.client:vpn

Network

Country Destination Domain Proto
GB 142.250.187.195:443 tcp
N/A 224.0.0.251:5353 udp
GB 142.250.178.3:443 tcp
GB 216.58.204.78:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
GB 216.58.204.78:443 tcp
GB 216.58.201.98:443 tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-22 12:22

Reported

2024-05-22 13:19

Platform

android-x64-arm64-20240514-en

Max time kernel

19s

Max time network

132s

Command Line

org.outline.android.client

Signatures

Checks if the Android device is rooted.

evasion
Description Indicator Process Target
N/A /data/local/su N/A N/A
N/A /data/local/xbin/su N/A N/A
N/A /system/app/Superuser.apk N/A N/A
N/A /system/bin/su N/A N/A
N/A /system/app/Superuser.apk N/A N/A
N/A /system/bin/failsafe/su N/A N/A
N/A /data/local/bin/su N/A N/A
N/A /sbin/su N/A N/A
N/A /system/bin/su N/A N/A
N/A /data/local/xbin/su N/A N/A
N/A /sbin/su N/A N/A
N/A /data/local/bin/su N/A N/A
N/A /system/bin/failsafe/su N/A N/A
N/A /data/local/su N/A N/A

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

Checks the presence of a debugger

evasion

Processes

org.outline.android.client

org.outline.android.client:vpn

Network

Country Destination Domain Proto
GB 142.250.180.14:443 tcp
GB 142.250.180.14:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.200.8:443 ssl.google-analytics.com tcp
GB 216.58.201.100:443 tcp
GB 216.58.201.100:443 tcp

Files

N/A