Malware Analysis Report

2024-09-09 19:09

Sample ID 240427-kxe46afb73
Target 02e231f85558f37da6802142440736f6_JaffaCakes118
SHA256 9d767c41599325ccd0643d6f432b9075775a85c60df176a845605715be230263
Tags
discovery evasion impact persistence privilege_escalation collection credential_access
score
7/10

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: 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

9d767c41599325ccd0643d6f432b9075775a85c60df176a845605715be230263

Threat Level: Shows suspicious behavior

The file 02e231f85558f37da6802142440736f6_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery evasion impact persistence privilege_escalation collection credential_access

Obtains sensitive information copied to the device clipboard

Checks CPU information

Checks memory information

Queries information about running processes on the device

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

Tries to add a device administrator.

Queries the mobile country code (MCC)

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

Declares broadcast receivers with permission to handle system events

Requests dangerous framework permissions

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-27 08:58

Signatures

Declares broadcast receivers with permission to handle system events

Description Indicator Process Target
Required by device admin receivers to bind with the system. Allows apps to manage device administration features. android.permission.BIND_DEVICE_ADMIN N/A N/A

Requests dangerous framework permissions

Description Indicator Process Target
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 read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to send SMS messages. android.permission.SEND_SMS 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 read the user's call log. android.permission.READ_CALL_LOG N/A N/A
Allows an application to read the user's calendar data. android.permission.READ_CALENDAR 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 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 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
Allows an application to send SMS messages. android.permission.SEND_SMS 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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-27 08:58

Reported

2024-04-27 09:01

Platform

android-x86-arm-20240221-en

Max time kernel

150s

Max time network

139s

Command Line

krep.itmtd.ywtjexf

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 information about running processes on the device

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

Tries to add a device administrator.

privilege_escalation impact
Description Indicator Process Target
Intent action android.app.action.ADD_DEVICE_ADMIN N/A N/A

Processes

krep.itmtd.ywtjexf

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 pari.securedapinetworks.com udp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.14:443 android.apis.google.com tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-27 08:58

Reported

2024-04-27 09:01

Platform

android-x64-20240221-en

Max time kernel

154s

Max time network

155s

Command Line

krep.itmtd.ywtjexf

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 information about running processes on the device

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

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

discovery

Processes

krep.itmtd.ywtjexf

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 pari.securedapinetworks.com udp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.201.110:443 android.apis.google.com tcp
GB 216.58.212.228:443 tcp
GB 216.58.212.228:443 tcp
GB 172.217.169.66:443 tcp
GB 172.217.169.14:443 tcp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-04-27 08:58

Reported

2024-04-27 09:01

Platform

android-x64-arm64-20240221-en

Max time kernel

167s

Max time network

166s

Command Line

krep.itmtd.ywtjexf

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 information about running processes on the device

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

Tries to add a device administrator.

privilege_escalation impact
Description Indicator Process Target
Intent action android.app.action.ADD_DEVICE_ADMIN N/A N/A

Processes

krep.itmtd.ywtjexf

Network

Country Destination Domain Proto
GB 142.250.180.14:443 tcp
GB 142.250.180.14:443 tcp
GB 142.250.180.14:443 tcp
N/A 224.0.0.251:5353 udp
GB 216.58.213.10:443 udp
GB 142.250.200.46:443 udp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.180.14:443 android.apis.google.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 172.217.16.232:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 pari.securedapinetworks.com udp
GB 216.58.201.100:443 tcp
GB 216.58.201.100:443 tcp
GB 142.250.187.226:443 tcp

Files

N/A