Malware Analysis Report

2024-10-18 22:06

Sample ID 240611-tqqrrashkb
Target 83ad4084d2cf02138572bb475965877d5652393f059e44cd04446003a58b30be
SHA256 83ad4084d2cf02138572bb475965877d5652393f059e44cd04446003a58b30be
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

83ad4084d2cf02138572bb475965877d5652393f059e44cd04446003a58b30be

Threat Level: Shows suspicious behavior

The file 83ad4084d2cf02138572bb475965877d5652393f059e44cd04446003a58b30be was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Writes to the Master Boot Record (MBR)

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-11 16:15

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-11 16:15

Reported

2024-06-11 16:18

Platform

win10v2004-20240508-en

Max time kernel

143s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\83ad4084d2cf02138572bb475965877d5652393f059e44cd04446003a58b30be.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\83ad4084d2cf02138572bb475965877d5652393f059e44cd04446003a58b30be.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\83ad4084d2cf02138572bb475965877d5652393f059e44cd04446003a58b30be.exe

"C:\Users\Admin\AppData\Local\Temp\83ad4084d2cf02138572bb475965877d5652393f059e44cd04446003a58b30be.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=4404,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=4252 /prefetch:8

Network

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

Files

memory/432-3-0x0000000000400000-0x000000000046F000-memory.dmp

memory/432-2-0x0000000000850000-0x00000000008BB000-memory.dmp

memory/432-1-0x0000000000560000-0x0000000000660000-memory.dmp

memory/432-4-0x0000000000400000-0x00000000004A5000-memory.dmp

memory/432-5-0x0000000000400000-0x00000000004A5000-memory.dmp

memory/432-6-0x0000000000560000-0x0000000000660000-memory.dmp

memory/432-8-0x0000000000400000-0x000000000046F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-11 16:15

Reported

2024-06-11 16:18

Platform

win11-20240508-en

Max time kernel

141s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\83ad4084d2cf02138572bb475965877d5652393f059e44cd04446003a58b30be.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\83ad4084d2cf02138572bb475965877d5652393f059e44cd04446003a58b30be.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\83ad4084d2cf02138572bb475965877d5652393f059e44cd04446003a58b30be.exe

"C:\Users\Admin\AppData\Local\Temp\83ad4084d2cf02138572bb475965877d5652393f059e44cd04446003a58b30be.exe"

Network

Country Destination Domain Proto
IE 52.111.236.21:443 tcp

Files

memory/240-2-0x0000000002220000-0x000000000228B000-memory.dmp

memory/240-1-0x0000000000530000-0x0000000000630000-memory.dmp

memory/240-3-0x0000000000400000-0x000000000046F000-memory.dmp

memory/240-4-0x0000000000400000-0x00000000004A5000-memory.dmp

memory/240-5-0x0000000000400000-0x00000000004A5000-memory.dmp

memory/240-7-0x0000000000530000-0x0000000000630000-memory.dmp

memory/240-8-0x0000000002220000-0x000000000228B000-memory.dmp

memory/240-9-0x0000000000400000-0x000000000046F000-memory.dmp