Malware Analysis Report

2024-09-09 17:50

Sample ID 240613-f247mazalk
Target a3f81367dad5417e9080f83ca1c21c91_JaffaCakes118
SHA256 1fc40e3c054c1f71324271e3b65202145332ba544e0bd948de877a4ef4cb2652
Tags
banker discovery evasion impact persistence
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
8/10

SHA256

1fc40e3c054c1f71324271e3b65202145332ba544e0bd948de877a4ef4cb2652

Threat Level: Likely malicious

The file a3f81367dad5417e9080f83ca1c21c91_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary

banker discovery evasion impact persistence

Checks if the Android device is rooted.

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

Queries information about running processes on the device

Queries the mobile country code (MCC)

Queries information about active data network

Queries the unique device ID (IMEI, MEID, IMSI)

Requests dangerous framework permissions

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

Uses Crypto APIs (Might try to encrypt user data)

Checks CPU information

Checks memory information

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-13 05:23

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
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
Required to be able to access the camera device. android.permission.CAMERA 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 request installing packages. android.permission.REQUEST_INSTALL_PACKAGES 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 app to access approximate location. android.permission.ACCESS_COARSE_LOCATION 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
Required to be able to access the camera device. android.permission.CAMERA N/A N/A
Allows an application to read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A
Allows an app to access precise location. android.permission.ACCESS_FINE_LOCATION N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 05:23

Reported

2024-06-13 05:26

Platform

android-x86-arm-20240611.1-en

Max time kernel

151s

Max time network

130s

Command Line

com.marszlh.cdg

Signatures

Checks if the Android device is rooted.

evasion
Description Indicator Process Target
N/A /system/bin/su N/A N/A
N/A /system/xbin/su N/A N/A

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

banker discovery

Queries information about running processes on the device

discovery
Description Indicator Process Target
Framework service call android.app.IActivityManager.getRunningAppProcesses N/A N/A

Queries information about active data network

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

Queries the unique device ID (IMEI, MEID, IMSI)

discovery

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

Checks CPU information

Description Indicator Process Target
File opened for read /proc/cpuinfo N/A N/A

Checks memory information

Description Indicator Process Target
File opened for read /proc/meminfo N/A N/A

Processes

com.marszlh.cdg

Network

Country Destination Domain Proto
GB 172.217.169.74:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 telxon.cplotus.com udp
US 1.1.1.1:53 a.apicloud.com udp
CN 101.230.201.90:80 telxon.cplotus.com tcp
CN 101.230.201.90:80 telxon.cplotus.com tcp
CN 47.93.90.46:443 a.apicloud.com tcp
GB 142.250.187.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.213.14:443 android.apis.google.com tcp

Files

N/A