Malware Analysis Report

2025-01-02 08:04

Sample ID 240510-lkehjaae87
Target 2e7bb88b5b0a81eb1c5851f753279eaf_JaffaCakes118
SHA256 ce05308b288333fe9acfd0f42286bcae9af7c5a12c87a649cd83543065fe5e6d
Tags
privateloader banker discovery evasion persistence
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Mobile Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

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: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral7

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral8

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

ce05308b288333fe9acfd0f42286bcae9af7c5a12c87a649cd83543065fe5e6d

Threat Level: Known bad

The file 2e7bb88b5b0a81eb1c5851f753279eaf_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

privateloader banker discovery evasion persistence

Privateloader family

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

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

Checks CPU information

Queries information about running processes on the device

Queries information about the current Wi-Fi connection

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

Checks if the internet connection is available

Requests dangerous framework permissions

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-10 09:35

Signatures

Privateloader family

privateloader

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 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 app to access approximate location. android.permission.ACCESS_COARSE_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 read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-05-10 09:35

Reported

2024-05-10 09:35

Platform

android-x86-arm-20240506-en

Max time network

6s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
GB 172.217.169.35:443 tcp
N/A 224.0.0.251:5353 udp

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-05-10 09:35

Reported

2024-05-10 09:35

Platform

android-x64-20240506-en

Max time network

8s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp

Files

N/A

Analysis: behavioral6

Detonation Overview

Submitted

2024-05-10 09:35

Reported

2024-05-10 09:38

Platform

android-x86-arm-20240506-en

Max time network

133s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.187.206:443 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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-10 09:35

Reported

2024-05-10 09:38

Platform

android-x86-arm-20240506-en

Max time kernel

47s

Max time network

129s

Command Line

com.egproject.hillslegend

Signatures

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

banker discovery

Checks CPU information

evasion discovery
Description Indicator Process Target
File opened for read /proc/cpuinfo 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 information about the current Wi-Fi connection

discovery
Description Indicator Process Target
Framework service call android.net.wifi.IWifiManager.getConnectionInfo 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.egproject.hillslegend

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 ads.yxdown.com udp
US 1.1.1.1:53 sdk.api.yiwan.com udp
CN 183.134.63.122:80 ads.yxdown.com tcp
US 1.1.1.1:53 stats.unity3d.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

2024-05-10 09:35

Reported

2024-05-10 09:38

Platform

android-x64-20240506-en

Max time kernel

47s

Max time network

144s

Command Line

com.egproject.hillslegend

Signatures

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

banker discovery

Checks CPU information

evasion discovery
Description Indicator Process Target
File opened for read /proc/cpuinfo 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 information about the current Wi-Fi connection

discovery
Description Indicator Process Target
Framework service call android.net.wifi.IWifiManager.getConnectionInfo 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

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

discovery

Processes

com.egproject.hillslegend

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ads.yxdown.com udp
US 1.1.1.1:53 sdk.api.yiwan.com udp
CN 183.134.63.122:80 ads.yxdown.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 216.58.212.200:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 stats.unity3d.com udp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 android.apis.google.com tcp
GB 142.250.187.228:443 tcp
GB 142.250.187.228:443 tcp
GB 216.58.204.78:443 tcp
GB 142.250.180.14:443 tcp
GB 216.58.201.98:443 tcp
GB 216.58.212.234:443 tcp

Files

N/A

Analysis: behavioral5

Detonation Overview

Submitted

2024-05-10 09:35

Reported

2024-05-10 09:35

Platform

android-x64-arm64-20240506-en

Max time network

5s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp

Files

N/A

Analysis: behavioral7

Detonation Overview

Submitted

2024-05-10 09:35

Reported

2024-05-10 09:38

Platform

android-x64-20240506-en

Max time network

188s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.180.10:443 tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.200.40:443 ssl.google-analytics.com tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.180.14:443 android.apis.google.com tcp
GB 142.250.187.206:443 tcp
GB 216.58.212.206:443 tcp
GB 172.217.16.226:443 tcp
GB 216.58.201.100:443 tcp
GB 216.58.201.100:443 tcp
GB 142.250.187.206:443 tcp

Files

N/A

Analysis: behavioral8

Detonation Overview

Submitted

2024-05-10 09:35

Reported

2024-05-10 09:38

Platform

android-x64-arm64-20240506-en

Max time network

135s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
GB 172.217.16.238:443 tcp
GB 172.217.16.238:443 tcp
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 216.58.201.104:443 ssl.google-analytics.com tcp
GB 142.250.180.4:443 tcp
GB 142.250.180.4:443 tcp
GB 142.250.180.2:443 tcp
GB 216.58.213.14:443 tcp

Files

N/A