Malware Analysis Report

2025-01-19 06:56

Sample ID 240522-s5dkasgb5t
Target 67c4ff863360105fb4200d625ee08ede_JaffaCakes118
SHA256 5dbcd74803f0f5db906e69e9467b12179423f6af05c988a1d264f122f056cf04
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: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral6

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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

5dbcd74803f0f5db906e69e9467b12179423f6af05c988a1d264f122f056cf04

Threat Level: Shows suspicious behavior

The file 67c4ff863360105fb4200d625ee08ede_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery evasion persistence collection credential_access impact

Obtains sensitive information copied to the device clipboard

Checks memory information

Queries the mobile country code (MCC)

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

Checks if the internet connection is available

Requests dangerous framework permissions

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-22 15:42

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
Allows an app to create windows using the type LayoutParams.TYPE_APPLICATION_OVERLAY, shown on top of all other apps. android.permission.SYSTEM_ALERT_WINDOW 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 initiate a phone call without going through the Dialer user interface for the user to confirm the call. android.permission.CALL_PHONE 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 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
Allows an application to request installing packages. android.permission.REQUEST_INSTALL_PACKAGES N/A N/A
Allows an app to access precise location. android.permission.ACCESS_FINE_LOCATION N/A N/A
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION N/A N/A
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Required to be able to access the camera device. android.permission.CAMERA N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A

Analysis: behavioral5

Detonation Overview

Submitted

2024-05-22 15:42

Reported

2024-05-22 15:45

Platform

android-x64-20240514-en

Max time kernel

3s

Max time network

132s

Command Line

com.maiyou.wechat

Signatures

N/A

Processes

com.maiyou.wechat

Network

Country Destination Domain Proto
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 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
GB 142.250.200.46:443 tcp
GB 216.58.213.14:443 tcp
GB 142.250.200.2:443 tcp
GB 172.217.16.228:443 tcp
GB 172.217.16.228:443 tcp

Files

N/A

Analysis: behavioral6

Detonation Overview

Submitted

2024-05-22 15:42

Reported

2024-05-22 15:45

Platform

android-x64-arm64-20240514-en

Max time kernel

3s

Max time network

134s

Command Line

com.maiyou.wechat

Signatures

N/A

Processes

com.maiyou.wechat

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.178.14:443 tcp
GB 142.250.178.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.179.238:443 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
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 15:42

Reported

2024-05-22 15:45

Platform

android-x86-arm-20240514-en

Max time kernel

165s

Max time network

180s

Command Line

com.maiy.sdk

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.maiy.sdk

Network

Country Destination Domain Proto
GB 142.250.178.10:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 www.google.com udp
GB 142.250.200.36:443 www.google.com tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 sdk2.99maiyou.com udp
CN 47.110.79.173:80 sdk2.99maiyou.com tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.180.14:443 android.apis.google.com tcp
CN 47.110.79.173:80 sdk2.99maiyou.com tcp
GB 172.217.169.66:443 tcp
GB 142.250.179.238:443 tcp
CN 47.110.79.173:80 sdk2.99maiyou.com tcp
CN 47.110.79.173:80 sdk2.99maiyou.com tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-22 15:42

Reported

2024-05-22 15:45

Platform

android-x64-20240514-en

Max time network

175s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 172.217.169.14:443 tcp
GB 216.58.201.106:443 tcp
GB 216.58.201.106:443 tcp
GB 216.58.201.106:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 216.58.204.78:443 android.apis.google.com tcp
GB 216.58.213.10:443 semanticlocation-pa.googleapis.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.200.8:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 mdh-pa.googleapis.com udp
GB 142.250.179.234:443 mdh-pa.googleapis.com tcp
GB 172.217.16.228:443 tcp
GB 172.217.16.228:443 tcp
US 1.1.1.1:53 safebrowsing.googleapis.com udp
BE 66.102.1.95:443 safebrowsing.googleapis.com tcp
US 1.1.1.1:53 growth-pa.googleapis.com udp
GB 216.58.201.106:443 growth-pa.googleapis.com tcp
US 1.1.1.1:53 lh3-dz.googleusercontent.com udp
GB 142.250.187.193:443 lh3-dz.googleusercontent.com tcp
GB 216.58.212.227:443 tcp
GB 216.58.212.227:443 tcp
GB 142.250.187.238:443 tcp
US 1.1.1.1:53 www.google.com udp
GB 172.217.169.68:443 www.google.com tcp
US 1.1.1.1:53 g.tenor.com udp
GB 216.58.201.106:443 g.tenor.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 142.250.187.238:443 android.apis.google.com tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 142.250.179.234:443 semanticlocation-pa.googleapis.com tcp
US 1.1.1.1:53 i.ytimg.com udp
GB 142.250.200.54:443 i.ytimg.com udp
GB 142.250.200.54:443 i.ytimg.com tcp
US 1.1.1.1:53 www.google.com udp
GB 142.250.187.228:443 www.google.com tcp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-05-22 15:42

Reported

2024-05-22 15:45

Platform

android-x64-arm64-20240514-en

Max time kernel

168s

Max time network

185s

Command Line

com.maiy.sdk

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.maiy.sdk

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 172.217.169.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.206:443 android.apis.google.com tcp
US 1.1.1.1:53 sdk2.99maiyou.com udp
CN 47.110.79.173:80 sdk2.99maiyou.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.178.8:443 ssl.google-analytics.com tcp
GB 142.250.200.36:443 tcp
GB 142.250.200.36:443 tcp
CN 47.110.79.173:80 sdk2.99maiyou.com tcp
US 1.1.1.1:53 www.google.com udp
GB 172.217.169.68:443 www.google.com tcp
CN 47.110.79.173:80 sdk2.99maiyou.com tcp
CN 47.110.79.173:80 sdk2.99maiyou.com tcp
GB 172.217.169.68:443 www.google.com tcp

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-05-22 15:42

Reported

2024-05-22 15:45

Platform

android-x86-arm-20240514-en

Max time kernel

2s

Max time network

132s

Command Line

com.maiyou.wechat

Signatures

N/A

Processes

com.maiyou.wechat

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 216.58.212.227:443 tcp
GB 142.250.180.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.16.238:443 android.apis.google.com tcp

Files

N/A