Malware Analysis Report

2025-01-19 08:09

Sample ID 240606-bm5gmaee22
Target 99b16f8e990850b90f1ae3a599b078ba_JaffaCakes118
SHA256 f43cdcf04140d7a75851204ecb694cbc7f298e1b6597239e43ea233a4e42c58c
Tags
discovery impact persistence
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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

f43cdcf04140d7a75851204ecb694cbc7f298e1b6597239e43ea233a4e42c58c

Threat Level: Shows suspicious behavior

The file 99b16f8e990850b90f1ae3a599b078ba_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery impact persistence

Queries the phone number (MSISDN for GSM devices)

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

Requests dangerous framework permissions

Queries information about active data network

Queries the mobile country code (MCC)

Reads information about phone network operator.

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

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-06 01:16

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 write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-06 01:16

Reported

2024-06-06 01:25

Platform

android-x86-arm-20240603-en

Max time kernel

8s

Max time network

150s

Command Line

cn.rimkpij.khijtk.spgvr

Signatures

Queries the phone number (MSISDN for GSM devices)

discovery

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

Reads information about phone network operator.

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

Processes

cn.rimkpij.khijtk.spgvr

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 52.71.57.184:80 52.71.57.184 tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.238:443 android.apis.google.com tcp
GB 216.58.201.110:443 tcp
GB 142.250.187.194:443 tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-06 01:16

Reported

2024-06-06 01:25

Platform

android-x64-20240603-en

Max time kernel

7s

Max time network

149s

Command Line

cn.rimkpij.khijtk.spgvr

Signatures

Queries the phone number (MSISDN for GSM devices)

discovery

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

Reads information about phone network operator.

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

Processes

cn.rimkpij.khijtk.spgvr

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 y1.ygmobile.com udp
US 3.94.41.167:80 y1.ygmobile.com tcp
GB 142.250.187.234:443 tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 216.58.204.72:443 ssl.google-analytics.com tcp
GB 142.250.187.238:443 tcp
GB 142.250.187.228:443 tcp
US 1.1.1.1:53 www.google.com udp
GB 142.250.187.228:443 www.google.com tcp
GB 172.217.169.14:443 tcp
GB 142.250.187.226:443 tcp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-06 01:16

Reported

2024-06-06 01:25

Platform

android-x64-arm64-20240603-en

Max time kernel

7s

Max time network

132s

Command Line

cn.rimkpij.khijtk.spgvr

Signatures

Queries the phone number (MSISDN for GSM devices)

discovery

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

Reads information about phone network operator.

discovery

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

cn.rimkpij.khijtk.spgvr

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 172.217.16.238:443 tcp
GB 172.217.16.238:443 tcp
GB 216.58.201.106:443 tcp
GB 216.58.201.106:443 tcp
US 1.1.1.1:53 y1.ygmobile.com udp
US 3.130.253.23:80 y1.ygmobile.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 172.217.169.68:443 tcp
GB 172.217.169.68:443 tcp

Files

N/A