Malware Analysis Report

2024-10-19 13:17

Sample ID 240602-zfffxsec31
Target 8f597dc7ae1b549876e7240b3e6d3309_JaffaCakes118
SHA256 7962b0baad5e81522ab16b4914c2f3c33a6dfe7a5202d0cb0d825a7017d8e675
Tags
discovery evasion impact persistence collection credential_access
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 Overview

score
7/10

SHA256

7962b0baad5e81522ab16b4914c2f3c33a6dfe7a5202d0cb0d825a7017d8e675

Threat Level: Shows suspicious behavior

The file 8f597dc7ae1b549876e7240b3e6d3309_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery evasion impact persistence collection credential_access

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

Obtains sensitive information copied to the device clipboard

Checks CPU information

Checks memory information

Queries the mobile country code (MCC)

Requests dangerous framework permissions

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-02 20:39

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
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 read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A
Required to be able to access the camera device. android.permission.CAMERA N/A N/A
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an app to access approximate location. android.permission.ACCESS_COARSE_LOCATION N/A N/A
Allows an app to access precise location. android.permission.ACCESS_FINE_LOCATION N/A N/A
Allows an application to request installing packages. android.permission.REQUEST_INSTALL_PACKAGES N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Allows an application to record audio. android.permission.RECORD_AUDIO N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-02 20:39

Reported

2024-06-02 20:42

Platform

android-x86-arm-20240514-en

Max time kernel

166s

Max time network

183s

Command Line

com.taptap.app.xzuj0b

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

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Processes

com.taptap.app.xzuj0b

Network

Country Destination Domain Proto
GB 142.250.187.195:443 tcp
N/A 224.0.0.251:5353 udp
GB 142.250.187.202:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 gate.upin158.com udp
CN 39.100.76.72:80 gate.upin158.com tcp
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 216.58.201.110:443 android.apis.google.com tcp
US 1.1.1.1:53 www.taptap.com udp
US 1.1.1.1:53 cdn.myapp.ltd udp
CN 39.107.195.45:443 www.taptap.com tcp
CN 39.107.195.45:443 www.taptap.com tcp
CN 120.233.179.103:80 cdn.myapp.ltd tcp
CN 106.8.246.201:80 cdn.myapp.ltd tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-02 20:39

Reported

2024-06-02 20:42

Platform

android-x64-arm64-20240514-en

Max time kernel

169s

Max time network

173s

Command Line

com.taptap.app.xzuj0b

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

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Processes

com.taptap.app.xzuj0b

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 142.250.187.206:443 android.apis.google.com tcp
US 1.1.1.1:53 gate.upin158.com udp
CN 39.100.76.72:80 gate.upin158.com tcp
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 www.taptap.com udp
US 1.1.1.1:53 cdn.myapp.ltd udp
CN 39.107.195.45:443 www.taptap.com tcp
CN 39.107.195.45:443 www.taptap.com tcp
CN 223.247.106.57:80 cdn.myapp.ltd tcp
GB 142.250.178.4:443 tcp
GB 142.250.178.4:443 tcp
CN 119.188.49.80:80 cdn.myapp.ltd tcp

Files

N/A