Malware Analysis Report

2025-08-05 12:50

Sample ID 240509-cet7cscc4s
Target c12a25439c8c3d66307a1629cf67320cfaa5e018ef09d9e6949f6949adae6571.exe
SHA256 c12a25439c8c3d66307a1629cf67320cfaa5e018ef09d9e6949f6949adae6571
Tags
bootkit persistence
score
9/10

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
9/10

SHA256

c12a25439c8c3d66307a1629cf67320cfaa5e018ef09d9e6949f6949adae6571

Threat Level: Likely malicious

The file c12a25439c8c3d66307a1629cf67320cfaa5e018ef09d9e6949f6949adae6571.exe was found to be: Likely malicious.

Malicious Activity Summary

bootkit persistence

Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

Writes to the Master Boot Record (MBR)

Unsigned PE

Program crash

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-09 01:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-09 01:59

Reported

2024-05-09 02:02

Platform

win7-20240221-en

Max time kernel

145s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c12a25439c8c3d66307a1629cf67320cfaa5e018ef09d9e6949f6949adae6571.exe"

Signatures

Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

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

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PHYSICALDRIVE0 C:\Users\Admin\AppData\Local\Temp\c12a25439c8c3d66307a1629cf67320cfaa5e018ef09d9e6949f6949adae6571.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c12a25439c8c3d66307a1629cf67320cfaa5e018ef09d9e6949f6949adae6571.exe

"C:\Users\Admin\AppData\Local\Temp\c12a25439c8c3d66307a1629cf67320cfaa5e018ef09d9e6949f6949adae6571.exe"

Network

N/A

Files

memory/2700-0-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/2700-1-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/2700-2-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/2700-3-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/2700-4-0x0000000000400000-0x00000000004EE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-09 01:59

Reported

2024-05-09 02:02

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c12a25439c8c3d66307a1629cf67320cfaa5e018ef09d9e6949f6949adae6571.exe"

Signatures

Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

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

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PHYSICALDRIVE0 C:\Users\Admin\AppData\Local\Temp\c12a25439c8c3d66307a1629cf67320cfaa5e018ef09d9e6949f6949adae6571.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c12a25439c8c3d66307a1629cf67320cfaa5e018ef09d9e6949f6949adae6571.exe

"C:\Users\Admin\AppData\Local\Temp\c12a25439c8c3d66307a1629cf67320cfaa5e018ef09d9e6949f6949adae6571.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5108 -ip 5108

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 5108 -s 692

Network

Country Destination Domain Proto
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/5108-0-0x0000000002360000-0x0000000002361000-memory.dmp

memory/5108-2-0x0000000000400000-0x000000000046F000-memory.dmp

memory/5108-1-0x0000000002900000-0x0000000002980000-memory.dmp

memory/5108-3-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/5108-4-0x0000000000400000-0x00000000004EE000-memory.dmp

memory/5108-6-0x0000000002360000-0x0000000002361000-memory.dmp

memory/5108-8-0x0000000000400000-0x000000000046F000-memory.dmp