Malware Analysis Report

2025-03-14 22:58

Sample ID 240406-31jwmaeg3v
Target fa5483e886963635f54900d3e1822d7e2f9b1431e55b1b0fc8546ebdec27547e
SHA256 fa5483e886963635f54900d3e1822d7e2f9b1431e55b1b0fc8546ebdec27547e
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

fa5483e886963635f54900d3e1822d7e2f9b1431e55b1b0fc8546ebdec27547e

Threat Level: Shows suspicious behavior

The file fa5483e886963635f54900d3e1822d7e2f9b1431e55b1b0fc8546ebdec27547e 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

2024-04-06 23:58

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-06 23:58

Reported

2024-04-07 00:01

Platform

win7-20240221-en

Max time kernel

142s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fa5483e886963635f54900d3e1822d7e2f9b1431e55b1b0fc8546ebdec27547e.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fa5483e886963635f54900d3e1822d7e2f9b1431e55b1b0fc8546ebdec27547e.exe

"C:\Users\Admin\AppData\Local\Temp\fa5483e886963635f54900d3e1822d7e2f9b1431e55b1b0fc8546ebdec27547e.exe"

Network

N/A

Files

memory/2148-0-0x0000000000400000-0x0000000000865000-memory.dmp

memory/2148-2-0x0000000000360000-0x00000000003C6000-memory.dmp

memory/2148-3-0x0000000000250000-0x0000000000261000-memory.dmp

memory/2148-4-0x0000000000270000-0x000000000027A000-memory.dmp

memory/2148-1-0x0000000000360000-0x00000000003C6000-memory.dmp

memory/2148-5-0x0000000000240000-0x0000000000241000-memory.dmp

memory/2148-6-0x0000000000400000-0x0000000000865000-memory.dmp

memory/2148-7-0x0000000000360000-0x00000000003C6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-06 23:58

Reported

2024-04-07 00:01

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fa5483e886963635f54900d3e1822d7e2f9b1431e55b1b0fc8546ebdec27547e.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\fa5483e886963635f54900d3e1822d7e2f9b1431e55b1b0fc8546ebdec27547e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fa5483e886963635f54900d3e1822d7e2f9b1431e55b1b0fc8546ebdec27547e.exe

"C:\Users\Admin\AppData\Local\Temp\fa5483e886963635f54900d3e1822d7e2f9b1431e55b1b0fc8546ebdec27547e.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 105.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 145.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 6.173.189.20.in-addr.arpa udp

Files

memory/3860-0-0x0000000000400000-0x0000000000865000-memory.dmp

memory/3860-2-0x0000000000B40000-0x0000000000BA6000-memory.dmp

memory/3860-1-0x0000000000B40000-0x0000000000BA6000-memory.dmp

memory/3860-3-0x0000000000BB0000-0x0000000000BC1000-memory.dmp

memory/3860-4-0x00000000009D0000-0x00000000009DA000-memory.dmp

memory/3860-5-0x00000000009C0000-0x00000000009C1000-memory.dmp

memory/3860-6-0x0000000000400000-0x0000000000865000-memory.dmp

memory/3860-7-0x0000000000B40000-0x0000000000BA6000-memory.dmp