Malware Analysis Report

2024-09-23 10:30

Sample ID 240614-rqfwfathnf
Target avast_free_antivirus_setup_online.exe
SHA256 1d47bc46cdd99ed0d081c9995e1f593b20a67dc651ff2a37706db26040ed81e9
Tags
bootkit persistence
score
6/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
6/10

SHA256

1d47bc46cdd99ed0d081c9995e1f593b20a67dc651ff2a37706db26040ed81e9

Threat Level: Shows suspicious behavior

The file avast_free_antivirus_setup_online.exe was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Writes to the Master Boot Record (MBR)

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-14 14:23

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 14:23

Reported

2024-06-14 14:43

Platform

win11-20240508-en

Max time kernel

516s

Max time network

526s

Command Line

"C:\Users\Admin\AppData\Local\Temp\avast_free_antivirus_setup_online.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\avast_free_antivirus_setup_online.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\avast_free_antivirus_setup_online.exe

"C:\Users\Admin\AppData\Local\Temp\avast_free_antivirus_setup_online.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 iavs9x.u.avcdn.net udp
US 8.8.8.8:53 v7event.stats.avast.com udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 iavs9x.u.avcdn.net udp
US 8.8.8.8:53 iavs9x.u.avcdn.net udp
US 8.8.8.8:53 iavs9x.u.avcdn.net udp
US 8.8.8.8:53 iavs9x.u.avcdn.net udp
US 8.8.8.8:53 iavs9x.u.avcdn.net udp

Files

N/A