Malware Analysis Report

2025-01-06 07:34

Sample ID 241206-s8raka1jdm
Target build.s.apk
SHA256 bce898587f683c70ea12b8612dd9dc1f791fa748e7c1f4584f4afb2009a1e135
Tags
ahmyth collection credential_access evasion impact stealth trojan
score
10/10

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
10/10

SHA256

bce898587f683c70ea12b8612dd9dc1f791fa748e7c1f4584f4afb2009a1e135

Threat Level: Known bad

The file build.s.apk was found to be: Known bad.

Malicious Activity Summary

ahmyth collection credential_access evasion impact stealth trojan

Ahmyth family

Removes its main activity from the application launcher

Obtains sensitive information copied to the device clipboard

Declares services with permission to bind to the system

Requests dangerous framework permissions

Requests accessing notifications (often used to intercept notifications before users become aware).

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-06 15:48

Signatures

Ahmyth family

ahmyth

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
Required to be able to access the camera device. android.permission.CAMERA 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 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 read from external storage. android.permission.READ_EXTERNAL_STORAGE 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 record audio. android.permission.RECORD_AUDIO 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 precise location. android.permission.ACCESS_FINE_LOCATION N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-06 15:48

Reported

2024-12-06 15:50

Platform

android-x86-arm-20240624-en

Max time kernel

7s

Max time network

136s

Command Line

com.etechd.l3mon

Signatures

Removes its main activity from the application launcher

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

Requests accessing notifications (often used to intercept notifications before users become aware).

collection credential_access
Description Indicator Process Target
Intent action android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS N/A N/A

Processes

com.etechd.l3mon

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 142.250.200.10:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 weeb.rocks udp
US 198.199.74.62:22222 weeb.rocks tcp
US 198.199.74.62:22222 weeb.rocks tcp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.179.238:443 android.apis.google.com tcp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-06 15:48

Reported

2024-12-06 15:50

Platform

android-x64-20240624-en

Max time kernel

8s

Max time network

151s

Command Line

com.etechd.l3mon

Signatures

Removes its main activity from the application launcher

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

Processes

com.etechd.l3mon

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 weeb.rocks udp
US 198.199.74.62:22222 weeb.rocks tcp
US 198.199.74.62:22222 weeb.rocks tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 142.250.179.232:443 ssl.google-analytics.com tcp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.204.78:443 android.apis.google.com tcp
GB 142.250.187.228:443 tcp
GB 142.250.187.228:443 tcp
GB 216.58.213.14:443 tcp
GB 142.250.178.2:443 tcp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-12-06 15:48

Reported

2024-12-06 15:50

Platform

android-x64-arm64-20240624-en

Max time kernel

14s

Max time network

138s

Command Line

com.etechd.l3mon

Signatures

Removes its main activity from the application launcher

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

Requests accessing notifications (often used to intercept notifications before users become aware).

collection credential_access
Description Indicator Process Target
Intent action android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS N/A N/A

Processes

com.etechd.l3mon

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 172.217.16.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.204.78:443 android.apis.google.com tcp
GB 216.58.204.78:443 android.apis.google.com tcp
US 1.1.1.1:53 weeb.rocks udp
US 198.199.74.62:22222 weeb.rocks tcp
US 198.199.74.62:22222 weeb.rocks tcp
US 1.1.1.1:53 ssl.google-analytics.com udp
GB 216.58.212.200:443 ssl.google-analytics.com tcp
GB 142.250.187.196:443 tcp
GB 142.250.187.196:443 tcp

Files

N/A