Malware Analysis Report

2025-01-19 06:58

Sample ID 240522-nya4daed4v
Target app-debug.apk
SHA256 cc299799cee86dac180dd003389a16024159cd3b27abb1ab120f79ef95eb235b
Tags
collection credential_access discovery evasion impact persistence
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Mobile Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

cc299799cee86dac180dd003389a16024159cd3b27abb1ab120f79ef95eb235b

Threat Level: Shows suspicious behavior

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

Malicious Activity Summary

collection credential_access discovery evasion impact persistence

Checks CPU information

Checks memory information

Obtains sensitive information copied to the device clipboard

Queries the mobile country code (MCC)

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

Requests dangerous framework permissions

Checks the presence of a debugger

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-22 11:47

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
Required to be able to access the camera device. android.permission.CAMERA N/A N/A
Allows an application to request installing packages. android.permission.REQUEST_INSTALL_PACKAGES N/A N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-05-22 11:47

Reported

2024-05-22 12:02

Platform

android-x64-arm64-20240514-en

Max time kernel

139s

Max time network

132s

Command Line

com.gosys.diemar

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

Checks the presence of a debugger

evasion

Processes

com.gosys.diemar

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 142.250.187.200:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 apkdiemar.gosys.solutions udp
US 52.224.90.68:80 apkdiemar.gosys.solutions tcp
GB 216.58.201.100:443 tcp
GB 216.58.201.100:443 tcp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-22 11:47

Reported

2024-05-22 12:02

Platform

android-x86-arm-20240514-en

Max time kernel

28s

Max time network

157s

Command Line

com.gosys.diemar

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

Checks the presence of a debugger

evasion

Processes

com.gosys.diemar

Network

Country Destination Domain Proto
GB 142.250.179.234:443 tcp
GB 172.217.169.74:443 tcp
GB 142.250.179.234:443 tcp
GB 142.250.179.234:443 tcp
GB 142.250.179.234:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 apkdiemar.gosys.solutions udp
US 52.224.90.68:80 apkdiemar.gosys.solutions tcp
GB 142.250.180.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.212.238:443 android.apis.google.com tcp
GB 142.250.200.46:443 tcp
GB 142.250.180.2:443 tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-22 11:47

Reported

2024-05-22 12:01

Platform

android-x64-20240514-en

Max time kernel

49s

Max time network

130s

Command Line

com.gosys.diemar

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

Checks the presence of a debugger

evasion

Processes

com.gosys.diemar

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 apkdiemar.gosys.solutions udp
US 52.224.90.68:80 apkdiemar.gosys.solutions tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.200.40:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.238:443 android.apis.google.com tcp
GB 216.58.213.14:443 tcp
GB 216.58.212.194:443 tcp
GB 142.250.180.14:443 tcp
GB 142.250.180.4:443 tcp
GB 142.250.180.4:443 tcp

Files

N/A