Malware Analysis Report

2025-08-06 04:10

Sample ID 240508-3wclraef4z
Target 3aabc186b296466f7b64238fd9d79f2d3f51332132ba95d11a95a6e72d7c16d4
SHA256 3aabc186b296466f7b64238fd9d79f2d3f51332132ba95d11a95a6e72d7c16d4
Tags
bootkit persistence
score
6/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise 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 Overview

score
6/10

SHA256

3aabc186b296466f7b64238fd9d79f2d3f51332132ba95d11a95a6e72d7c16d4

Threat Level: Shows suspicious behavior

The file 3aabc186b296466f7b64238fd9d79f2d3f51332132ba95d11a95a6e72d7c16d4 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Writes to the Master Boot Record (MBR)

Unsigned PE

Program crash

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-08 23:51

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-08 23:51

Reported

2024-05-08 23:54

Platform

win10v2004-20240226-en

Max time kernel

155s

Max time network

170s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3aabc186b296466f7b64238fd9d79f2d3f51332132ba95d11a95a6e72d7c16d4.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\3aabc186b296466f7b64238fd9d79f2d3f51332132ba95d11a95a6e72d7c16d4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3aabc186b296466f7b64238fd9d79f2d3f51332132ba95d11a95a6e72d7c16d4.exe

"C:\Users\Admin\AppData\Local\Temp\3aabc186b296466f7b64238fd9d79f2d3f51332132ba95d11a95a6e72d7c16d4.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3740 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 196 -p 1372 -ip 1372

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 756

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 142.250.178.10:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 pki.goog udp
US 8.8.8.8:53 pki.goog udp
US 216.239.32.29:80 pki.goog tcp
US 8.8.8.8:53 25.14.97.104.in-addr.arpa udp
US 8.8.8.8:53 10.178.250.142.in-addr.arpa udp
US 8.8.8.8:53 29.32.239.216.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 219.183.117.104.in-addr.arpa udp
US 8.8.8.8:53 193.98.74.40.in-addr.arpa udp

Files

memory/1372-0-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/1372-1-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/1372-2-0x0000000002290000-0x0000000002291000-memory.dmp

memory/1372-3-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/1372-4-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/1372-5-0x0000000002910000-0x0000000002990000-memory.dmp

memory/1372-6-0x0000000000400000-0x000000000046F000-memory.dmp

memory/1372-7-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/1372-8-0x0000000002290000-0x0000000002291000-memory.dmp

memory/1372-9-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/1372-11-0x0000000000400000-0x000000000046F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-08 23:51

Reported

2024-05-08 23:54

Platform

win11-20240508-en

Max time kernel

145s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3aabc186b296466f7b64238fd9d79f2d3f51332132ba95d11a95a6e72d7c16d4.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\3aabc186b296466f7b64238fd9d79f2d3f51332132ba95d11a95a6e72d7c16d4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3aabc186b296466f7b64238fd9d79f2d3f51332132ba95d11a95a6e72d7c16d4.exe

"C:\Users\Admin\AppData\Local\Temp\3aabc186b296466f7b64238fd9d79f2d3f51332132ba95d11a95a6e72d7c16d4.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4936 -ip 4936

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 732

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

memory/4936-0-0x00000000007A0000-0x00000000007A1000-memory.dmp

memory/4936-1-0x00000000024A0000-0x0000000002520000-memory.dmp

memory/4936-2-0x0000000000400000-0x000000000046F000-memory.dmp

memory/4936-3-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/4936-4-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/4936-7-0x0000000000400000-0x000000000046F000-memory.dmp