Malware Analysis Report

2024-09-23 11:20

Sample ID 240614-zn2dcsvhke
Target 659f531f03a26ef251474719acc0ce9ea79da3c2d562ac2a0be809c04580585b
SHA256 659f531f03a26ef251474719acc0ce9ea79da3c2d562ac2a0be809c04580585b
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

659f531f03a26ef251474719acc0ce9ea79da3c2d562ac2a0be809c04580585b

Threat Level: Shows suspicious behavior

The file 659f531f03a26ef251474719acc0ce9ea79da3c2d562ac2a0be809c04580585b 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 20:52

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 20:52

Reported

2024-06-14 20:55

Platform

win10v2004-20240508-en

Max time kernel

143s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\659f531f03a26ef251474719acc0ce9ea79da3c2d562ac2a0be809c04580585b.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\659f531f03a26ef251474719acc0ce9ea79da3c2d562ac2a0be809c04580585b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\659f531f03a26ef251474719acc0ce9ea79da3c2d562ac2a0be809c04580585b.exe

"C:\Users\Admin\AppData\Local\Temp\659f531f03a26ef251474719acc0ce9ea79da3c2d562ac2a0be809c04580585b.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=3244,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=4340 /prefetch:8

Network

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

Files

memory/380-1-0x0000000000740000-0x0000000000840000-memory.dmp

memory/380-2-0x0000000000940000-0x00000000009AB000-memory.dmp

memory/380-3-0x0000000000400000-0x000000000046F000-memory.dmp

memory/380-4-0x0000000000400000-0x00000000004AA000-memory.dmp

memory/380-5-0x0000000000400000-0x00000000004AA000-memory.dmp

memory/380-7-0x0000000000740000-0x0000000000840000-memory.dmp

memory/380-8-0x0000000000940000-0x00000000009AB000-memory.dmp

memory/380-9-0x0000000000400000-0x000000000046F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-14 20:52

Reported

2024-06-14 20:55

Platform

win11-20240419-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\659f531f03a26ef251474719acc0ce9ea79da3c2d562ac2a0be809c04580585b.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\659f531f03a26ef251474719acc0ce9ea79da3c2d562ac2a0be809c04580585b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\659f531f03a26ef251474719acc0ce9ea79da3c2d562ac2a0be809c04580585b.exe

"C:\Users\Admin\AppData\Local\Temp\659f531f03a26ef251474719acc0ce9ea79da3c2d562ac2a0be809c04580585b.exe"

Network

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

Files

memory/4224-1-0x0000000000650000-0x0000000000750000-memory.dmp

memory/4224-2-0x0000000002270000-0x00000000022DB000-memory.dmp

memory/4224-3-0x0000000000400000-0x000000000046F000-memory.dmp

memory/4224-4-0x0000000000400000-0x00000000004AA000-memory.dmp

memory/4224-5-0x0000000000400000-0x00000000004AA000-memory.dmp

memory/4224-7-0x0000000000650000-0x0000000000750000-memory.dmp

memory/4224-8-0x0000000002270000-0x00000000022DB000-memory.dmp

memory/4224-9-0x0000000000400000-0x000000000046F000-memory.dmp