Malware Analysis Report

2025-08-05 12:51

Sample ID 240509-c1n78sge29
Target feb456f1009fec2626c797ee669305bdc58b78d7f377ef4746385af73c2a10f0
SHA256 feb456f1009fec2626c797ee669305bdc58b78d7f377ef4746385af73c2a10f0
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

feb456f1009fec2626c797ee669305bdc58b78d7f377ef4746385af73c2a10f0

Threat Level: Shows suspicious behavior

The file feb456f1009fec2626c797ee669305bdc58b78d7f377ef4746385af73c2a10f0 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

2024-05-09 02:32

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 02:32

Reported

2024-05-09 02:35

Platform

win10v2004-20240426-en

Max time kernel

141s

Max time network

102s

Command Line

"C:\Users\Admin\AppData\Local\Temp\feb456f1009fec2626c797ee669305bdc58b78d7f377ef4746385af73c2a10f0.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\feb456f1009fec2626c797ee669305bdc58b78d7f377ef4746385af73c2a10f0.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\feb456f1009fec2626c797ee669305bdc58b78d7f377ef4746385af73c2a10f0.exe

"C:\Users\Admin\AppData\Local\Temp\feb456f1009fec2626c797ee669305bdc58b78d7f377ef4746385af73c2a10f0.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
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 23.159.190.20.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
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp

Files

memory/932-0-0x00000000006A0000-0x00000000006A1000-memory.dmp

memory/932-1-0x0000000002840000-0x00000000028C0000-memory.dmp

memory/932-2-0x0000000000400000-0x000000000046F000-memory.dmp

memory/932-3-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/932-4-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/932-7-0x0000000000400000-0x000000000046F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 02:32

Reported

2024-05-09 02:35

Platform

win11-20240426-en

Max time kernel

141s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\feb456f1009fec2626c797ee669305bdc58b78d7f377ef4746385af73c2a10f0.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\feb456f1009fec2626c797ee669305bdc58b78d7f377ef4746385af73c2a10f0.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\feb456f1009fec2626c797ee669305bdc58b78d7f377ef4746385af73c2a10f0.exe

"C:\Users\Admin\AppData\Local\Temp\feb456f1009fec2626c797ee669305bdc58b78d7f377ef4746385af73c2a10f0.exe"

Network

Files

memory/2064-0-0x0000000000780000-0x0000000000781000-memory.dmp

memory/2064-1-0x00000000028F0000-0x0000000002970000-memory.dmp

memory/2064-2-0x0000000000400000-0x000000000046F000-memory.dmp

memory/2064-3-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/2064-4-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/2064-7-0x0000000000400000-0x000000000046F000-memory.dmp