Malware Analysis Report

2025-01-19 05:35

Sample ID 240304-rq56bscc9z
Target b25a4b632098db2aa0a075bda3958b27
SHA256 0f548db33ca237a4b6ccc8c3ce9ea5a1f2470f5ef42222474131f66bb3c4660e
Tags
evasion stealth trojan banker discovery
score
8/10

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
8/10

SHA256

0f548db33ca237a4b6ccc8c3ce9ea5a1f2470f5ef42222474131f66bb3c4660e

Threat Level: Likely malicious

The file b25a4b632098db2aa0a075bda3958b27 was found to be: Likely malicious.

Malicious Activity Summary

evasion stealth trojan banker discovery

Removes its main activity from the application launcher

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

Loads dropped Dex/Jar

Declares services with permission to bind to the system

Requests dangerous framework permissions

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-04 14:24

Signatures

Declares services with permission to bind to the system

Description Indicator Process Target
Required by notification listener services to bind with the system. Allows apps to listen to and interact with notifications on the device. android.permission.BIND_NOTIFICATION_LISTENER_SERVICE 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 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 access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS 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 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 write the user's contacts data. android.permission.WRITE_CONTACTS 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 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 access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS 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 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 write the user's contacts data. android.permission.WRITE_CONTACTS N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-04 14:24

Reported

2024-03-04 14:27

Platform

android-x86-arm-20240221-en

Max time kernel

7s

Max time network

138s

Command Line

com.coderzheaven.englishtenses

Signatures

Removes its main activity from the application launcher

stealth trojan evasion
Description Indicator Process Target
N/A N/A N/A N/A

Processes

com.coderzheaven.englishtenses

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 216.58.201.110:443 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

2024-03-04 14:24

Reported

2024-03-04 14:27

Platform

android-x64-20240221-en

Max time kernel

7s

Max time network

154s

Command Line

com.coderzheaven.englishtenses

Signatures

Removes its main activity from the application launcher

stealth trojan evasion
Description Indicator Process Target
N/A N/A N/A N/A

Processes

com.coderzheaven.englishtenses

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 142.250.187.232:443 ssl.google-analytics.com tcp
GB 142.250.178.14:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.14:443 android.apis.google.com tcp
GB 216.58.213.4:443 tcp
GB 216.58.213.4:443 tcp
GB 142.250.178.14:443 tcp
GB 216.58.212.226:443 tcp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-03-04 14:24

Reported

2024-03-04 14:27

Platform

android-x64-arm64-20240221-en

Max time kernel

7s

Max time network

140s

Command Line

com.coderzheaven.englishtenses

Signatures

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

banker discovery
Description Indicator Process Target
Framework service call android.content.pm.IPackageManager.getInstalledApplications N/A N/A

Removes its main activity from the application launcher

stealth trojan evasion
Description Indicator Process Target
N/A N/A N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.coderzheaven.englishtenses/cache/1886048100/995207931.jar N/A N/A

Uses Crypto APIs (Might try to encrypt user data)

Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Processes

com.coderzheaven.englishtenses

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 ssl.google-analytics.com udp
GB 142.250.179.232:443 ssl.google-analytics.com tcp
GB 216.58.201.100:443 tcp
GB 216.58.201.100:443 tcp

Files

/data/user/0/com.coderzheaven.englishtenses/cache/1886048100/995207931.jar

MD5 b07ffe0320cf0e17d339c0acf602827b
SHA1 17ba68e36b05031b4347f9944ed5c7aca7a9ab49
SHA256 3316464c72617dd76bd25c2b9317a933df16e0a6106ccf04f784d00f89f93300
SHA512 ebd788c85442b723b9f6f48597b8388ee8ae655afb30cf53573e52a89563085b523f8d24f3aa2ceee80b5fa744a2984033a2a7731de2020b0606b289b3be07e1

/data/user/0/com.coderzheaven.englishtenses/cache/1886048100/995207931.jar

MD5 49d1df425360d08325642cd98a6ed502
SHA1 45608a5882909560ba790c78132e868890beb2f5
SHA256 fba2086e98188153fd7fad31fea508b19d454a74314a532c5f287fa374bb6032
SHA512 4ec0c2d834e4ebf8807214a2f7de12e4d02be4fa22b0b32faac965859ab56488772db36d72320d77aac4f8daa56fe58237f09d60c4830d862ba8243ec2a9750e