Malware Analysis Report

2024-09-23 11:16

Sample ID 240615-hzmkxavhnj
Target 4dfddfc67994485069c82a9766aaa47a2ae0cc829b101af2b22ddf8026cdbd98
SHA256 4dfddfc67994485069c82a9766aaa47a2ae0cc829b101af2b22ddf8026cdbd98
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
6/10

SHA256

4dfddfc67994485069c82a9766aaa47a2ae0cc829b101af2b22ddf8026cdbd98

Threat Level: Shows suspicious behavior

The file 4dfddfc67994485069c82a9766aaa47a2ae0cc829b101af2b22ddf8026cdbd98 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Writes to the Master Boot Record (MBR)

Unsigned PE

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-15 07:10

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-15 07:10

Reported

2024-06-15 07:13

Platform

win10v2004-20240508-en

Max time kernel

143s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4dfddfc67994485069c82a9766aaa47a2ae0cc829b101af2b22ddf8026cdbd98.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\4dfddfc67994485069c82a9766aaa47a2ae0cc829b101af2b22ddf8026cdbd98.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4dfddfc67994485069c82a9766aaa47a2ae0cc829b101af2b22ddf8026cdbd98.exe

"C:\Users\Admin\AppData\Local\Temp\4dfddfc67994485069c82a9766aaa47a2ae0cc829b101af2b22ddf8026cdbd98.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 --field-trial-handle=4200,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=4120 /prefetch:8

Network

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

Files

memory/4788-1-0x0000000000590000-0x0000000000690000-memory.dmp

memory/4788-2-0x0000000000760000-0x00000000007CB000-memory.dmp

memory/4788-3-0x0000000000400000-0x000000000046F000-memory.dmp

memory/4788-4-0x0000000000400000-0x00000000004AA000-memory.dmp

memory/4788-5-0x0000000000400000-0x00000000004AA000-memory.dmp

memory/4788-7-0x0000000000590000-0x0000000000690000-memory.dmp

memory/4788-8-0x0000000000760000-0x00000000007CB000-memory.dmp

memory/4788-9-0x0000000000400000-0x000000000046F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-15 07:10

Reported

2024-06-15 07:13

Platform

win11-20240611-en

Max time kernel

141s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4dfddfc67994485069c82a9766aaa47a2ae0cc829b101af2b22ddf8026cdbd98.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\4dfddfc67994485069c82a9766aaa47a2ae0cc829b101af2b22ddf8026cdbd98.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4dfddfc67994485069c82a9766aaa47a2ae0cc829b101af2b22ddf8026cdbd98.exe

"C:\Users\Admin\AppData\Local\Temp\4dfddfc67994485069c82a9766aaa47a2ae0cc829b101af2b22ddf8026cdbd98.exe"

Network

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

Files

memory/4732-1-0x00000000005D0000-0x00000000006D0000-memory.dmp

memory/4732-2-0x00000000021E0000-0x000000000224B000-memory.dmp

memory/4732-3-0x0000000000400000-0x000000000046F000-memory.dmp

memory/4732-4-0x0000000000400000-0x00000000004AA000-memory.dmp

memory/4732-5-0x0000000000400000-0x00000000004AA000-memory.dmp

memory/4732-6-0x00000000005D0000-0x00000000006D0000-memory.dmp

memory/4732-8-0x00000000021E0000-0x000000000224B000-memory.dmp

memory/4732-9-0x0000000000400000-0x000000000046F000-memory.dmp