Malware Analysis Report

2024-09-23 11:23

Sample ID 240614-ynnltstdka
Target ce465cfa1104959feeba6c0d089b2e550e1b4e902646d10185d18dfe5e6c8898
SHA256 ce465cfa1104959feeba6c0d089b2e550e1b4e902646d10185d18dfe5e6c8898
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

ce465cfa1104959feeba6c0d089b2e550e1b4e902646d10185d18dfe5e6c8898

Threat Level: Shows suspicious behavior

The file ce465cfa1104959feeba6c0d089b2e550e1b4e902646d10185d18dfe5e6c8898 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

2024-06-14 19:56

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 19:56

Reported

2024-06-14 19:58

Platform

win10v2004-20240611-en

Max time kernel

141s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ce465cfa1104959feeba6c0d089b2e550e1b4e902646d10185d18dfe5e6c8898.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\ce465cfa1104959feeba6c0d089b2e550e1b4e902646d10185d18dfe5e6c8898.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ce465cfa1104959feeba6c0d089b2e550e1b4e902646d10185d18dfe5e6c8898.exe

"C:\Users\Admin\AppData\Local\Temp\ce465cfa1104959feeba6c0d089b2e550e1b4e902646d10185d18dfe5e6c8898.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 --field-trial-handle=4212,i,11751898164297348119,13021661521765644467,262144 --variations-seed-version --mojo-platform-channel-handle=4036 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 21.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 198.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp

Files

memory/2076-1-0x0000000000660000-0x0000000000760000-memory.dmp

memory/2076-2-0x0000000000860000-0x00000000008CB000-memory.dmp

memory/2076-3-0x0000000000400000-0x000000000046F000-memory.dmp

memory/2076-4-0x0000000000400000-0x00000000004AA000-memory.dmp

memory/2076-5-0x0000000000400000-0x00000000004AA000-memory.dmp

memory/2076-7-0x0000000000660000-0x0000000000760000-memory.dmp

memory/2076-8-0x0000000000860000-0x00000000008CB000-memory.dmp

memory/2076-9-0x0000000000400000-0x000000000046F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 19:56

Reported

2024-06-14 19:58

Platform

win11-20240508-en

Max time kernel

141s

Max time network

114s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ce465cfa1104959feeba6c0d089b2e550e1b4e902646d10185d18dfe5e6c8898.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\ce465cfa1104959feeba6c0d089b2e550e1b4e902646d10185d18dfe5e6c8898.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ce465cfa1104959feeba6c0d089b2e550e1b4e902646d10185d18dfe5e6c8898.exe

"C:\Users\Admin\AppData\Local\Temp\ce465cfa1104959feeba6c0d089b2e550e1b4e902646d10185d18dfe5e6c8898.exe"

Network

Files

memory/4628-1-0x0000000000570000-0x0000000000670000-memory.dmp

memory/4628-2-0x00000000021C0000-0x000000000222B000-memory.dmp

memory/4628-3-0x0000000000400000-0x000000000046F000-memory.dmp

memory/4628-4-0x0000000000400000-0x00000000004AA000-memory.dmp

memory/4628-5-0x0000000000400000-0x00000000004AA000-memory.dmp

memory/4628-7-0x0000000000570000-0x0000000000670000-memory.dmp

memory/4628-8-0x00000000021C0000-0x000000000222B000-memory.dmp

memory/4628-9-0x0000000000400000-0x000000000046F000-memory.dmp