Malware Analysis Report

2025-01-19 05:20

Sample ID 240415-2bk7qaca3z
Target CovidLockRansomware.apk
SHA256 6b74febe8a8cc8f4189eccc891bdfccebbc57580675af67b1b6f268f52adad9f
Tags
banker discovery evasion persistence
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 Overview

score
8/10

SHA256

6b74febe8a8cc8f4189eccc891bdfccebbc57580675af67b1b6f268f52adad9f

Threat Level: Likely malicious

The file CovidLockRansomware.apk was found to be: Likely malicious.

Malicious Activity Summary

banker discovery evasion persistence

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

Makes use of the framework's foreground persistence service

Declares services with permission to bind to the system

Requests disabling of battery optimizations (often used to enable hiding in the background).

Declares broadcast receivers with permission to handle system events

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-15 22:24

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

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-15 22:24

Reported

2024-04-15 22:31

Platform

android-33-x64-arm64-20240229-en

Max time kernel

320s

Max time network

334s

Command Line

com.device.security

Signatures

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

banker discovery

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

Requests disabling of battery optimizations (often used to enable hiding in the background).

evasion
Description Indicator Process Target
Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS N/A N/A

Processes

com.device.security

Network

Country Destination Domain Proto
GB 142.250.178.4:443 udp
GB 142.250.178.4:443 tcp
GB 142.250.178.4:443 tcp
BE 64.233.166.188:5228 tcp
GB 142.250.178.4:443 tcp
N/A 224.0.0.251:5353 udp
GB 142.250.178.4:443 tcp
GB 172.217.169.10:80 play.googleapis.com tcp
US 1.1.1.1:53 www.google.com udp
GB 142.250.179.228:443 www.google.com tcp
US 1.1.1.1:53 remoteprovisioning.googleapis.com udp
GB 142.250.200.46:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.200.46:443 android.apis.google.com tcp
GB 216.58.212.227:443 tcp
GB 216.58.213.4:443 tcp
GB 216.58.213.4:443 tcp
GB 216.58.213.4:443 tcp
GB 216.58.213.4:443 udp
GB 142.250.178.4:443 tcp
US 1.1.1.1:53 lh3.googleusercontent.com udp
GB 142.250.200.1:443 lh3.googleusercontent.com tcp
GB 142.250.178.4:443 udp
US 172.64.41.3:443 tcp
US 172.64.41.3:443 tcp
GB 142.250.180.3:443 tcp
US 172.64.41.3:443 udp
GB 142.250.180.3:443 udp
GB 142.250.179.232:443 tcp
GB 142.250.200.38:80 tcp
GB 172.217.169.2:443 tcp
GB 142.250.200.38:443 tcp
GB 142.250.200.2:443 tcp
GB 172.217.16.238:443 tcp
US 216.239.32.36:443 tcp
GB 216.58.212.227:443 tcp

Files

N/A