Malware Analysis Report

2024-09-09 14:26

Sample ID 240611-kjhyws1anc
Target ba8f0890c4c7f9952a2827aebedf4e586d0bd97ef85f1c0f880a564786da5292.apk
SHA256 ba8f0890c4c7f9952a2827aebedf4e586d0bd97ef85f1c0f880a564786da5292
Tags
discovery evasion impact persistence ermac
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

ba8f0890c4c7f9952a2827aebedf4e586d0bd97ef85f1c0f880a564786da5292

Threat Level: Known bad

The file ba8f0890c4c7f9952a2827aebedf4e586d0bd97ef85f1c0f880a564786da5292.apk was found to be: Known bad.

Malicious Activity Summary

discovery evasion impact persistence ermac

Ermac family

Ermac2 payload

Makes use of the framework's foreground persistence service

Queries the mobile country code (MCC)

Declares services with permission to bind to the system

Acquires the wake lock

Declares broadcast receivers with permission to handle system events

Requests dangerous framework permissions

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-11 08:37

Signatures

Ermac family

ermac

Ermac2 payload

Description Indicator Process Target
N/A N/A N/A N/A

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

Declares services with permission to bind to the system

Description Indicator Process Target
Required by accessibility services to bind with the system. Allows apps to access accessibility features. android.permission.BIND_ACCESSIBILITY_SERVICE N/A N/A

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to request installing packages. android.permission.REQUEST_INSTALL_PACKAGES 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
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 read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Allows access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS 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 read access to the device's phone number(s). android.permission.READ_PHONE_NUMBERS 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

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-11 08:37

Reported

2024-06-11 08:40

Platform

android-x64-20240603-en

Max time kernel

13s

Max time network

131s

Command Line

com.jitidulayuxeba.vuve

Signatures

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Makes use of the framework's foreground persistence service

evasion persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.setServiceForeground 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

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.jitidulayuxeba.vuve

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 216.58.201.106:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.187.238:443 android.apis.google.com tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.187.200:443 ssl.google-analytics.com tcp
GB 172.217.169.14:443 tcp
GB 142.250.200.34:443 tcp
GB 142.250.178.4:443 tcp
GB 142.250.178.4:443 tcp
GB 172.217.169.46:443 tcp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-11 08:37

Reported

2024-06-11 08:40

Platform

android-x64-arm64-20240603-en

Max time kernel

13s

Max time network

119s

Command Line

com.jitidulayuxeba.vuve

Signatures

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Makes use of the framework's foreground persistence service

evasion persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.setServiceForeground 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

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.jitidulayuxeba.vuve

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.179.238:443 tcp
GB 142.250.179.238:443 tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.200.8:443 ssl.google-analytics.com tcp
GB 142.250.179.228:443 tcp
GB 142.250.179.228:443 tcp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-11 08:37

Reported

2024-06-11 08:41

Platform

android-x86-arm-20240603-en

Max time kernel

12s

Max time network

131s

Command Line

com.jitidulayuxeba.vuve

Signatures

Makes use of the framework's foreground persistence service

evasion persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.setServiceForeground 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

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.jitidulayuxeba.vuve

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.200.42:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.180.14:443 android.apis.google.com tcp

Files

N/A