Malware Analysis Report

2025-08-11 07:37

Sample ID 241015-3ls6rasgkf
Target 7994d91e97b9b4c2bf56a6ef6f8880027d25cd57c19f5b5ff644127dc2b27391
SHA256 7994d91e97b9b4c2bf56a6ef6f8880027d25cd57c19f5b5ff644127dc2b27391
Tags
bootkit discovery 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

7994d91e97b9b4c2bf56a6ef6f8880027d25cd57c19f5b5ff644127dc2b27391

Threat Level: Shows suspicious behavior

The file 7994d91e97b9b4c2bf56a6ef6f8880027d25cd57c19f5b5ff644127dc2b27391 was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit discovery persistence

Writes to the Master Boot Record (MBR)

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-15 23:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-15 23:36

Reported

2024-10-15 23:39

Platform

win7-20240903-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7994d91e97b9b4c2bf56a6ef6f8880027d25cd57c19f5b5ff644127dc2b27391.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\7994d91e97b9b4c2bf56a6ef6f8880027d25cd57c19f5b5ff644127dc2b27391.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7994d91e97b9b4c2bf56a6ef6f8880027d25cd57c19f5b5ff644127dc2b27391.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7994d91e97b9b4c2bf56a6ef6f8880027d25cd57c19f5b5ff644127dc2b27391.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7994d91e97b9b4c2bf56a6ef6f8880027d25cd57c19f5b5ff644127dc2b27391.exe

"C:\Users\Admin\AppData\Local\Temp\7994d91e97b9b4c2bf56a6ef6f8880027d25cd57c19f5b5ff644127dc2b27391.exe"

Network

N/A

Files

memory/1804-0-0x0000000000400000-0x00000000004F7000-memory.dmp

memory/1804-2-0x0000000000400000-0x00000000004F7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-15 23:36

Reported

2024-10-15 23:39

Platform

win10v2004-20241007-en

Max time kernel

139s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7994d91e97b9b4c2bf56a6ef6f8880027d25cd57c19f5b5ff644127dc2b27391.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\7994d91e97b9b4c2bf56a6ef6f8880027d25cd57c19f5b5ff644127dc2b27391.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7994d91e97b9b4c2bf56a6ef6f8880027d25cd57c19f5b5ff644127dc2b27391.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7994d91e97b9b4c2bf56a6ef6f8880027d25cd57c19f5b5ff644127dc2b27391.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7994d91e97b9b4c2bf56a6ef6f8880027d25cd57c19f5b5ff644127dc2b27391.exe

"C:\Users\Admin\AppData\Local\Temp\7994d91e97b9b4c2bf56a6ef6f8880027d25cd57c19f5b5ff644127dc2b27391.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/4868-0-0x0000000000400000-0x00000000004F7000-memory.dmp

memory/4868-1-0x0000000000400000-0x00000000004F7000-memory.dmp