Malware Analysis Report

2025-08-05 21:39

Sample ID 221110-mvr22sbaep
Target aa9aa73e198c2f810177889edc8a0527882f2ffeead30db11658886da511c5ad.xls
SHA256 aa9aa73e198c2f810177889edc8a0527882f2ffeead30db11658886da511c5ad
Tags
macro xlm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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
10/10

SHA256

aa9aa73e198c2f810177889edc8a0527882f2ffeead30db11658886da511c5ad

Threat Level: Known bad

The file aa9aa73e198c2f810177889edc8a0527882f2ffeead30db11658886da511c5ad.xls was found to be: Known bad.

Malicious Activity Summary

macro xlm

Process spawned unexpected child process

Suspicious Office macro

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-11-10 10:47

Signatures

Suspicious Office macro

macro xlm
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-11-10 10:47

Reported

2022-11-10 10:50

Platform

win10-20220812-en

Max time kernel

128s

Max time network

146s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\aa9aa73e198c2f810177889edc8a0527882f2ffeead30db11658886da511c5ad.xls"

Signatures

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Processes

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\aa9aa73e198c2f810177889edc8a0527882f2ffeead30db11658886da511c5ad.xls"

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.conceptagency.net udp
N/A 100.93.167.203:443 www.conceptagency.net tcp
US 8.8.8.8:53 bencevendeghaz.hu udp
N/A 100.101.18.17:443 bencevendeghaz.hu tcp
SG 45.32.114.141:80 45.32.114.141 tcp
US 8.8.8.8:53 ruitaiwz.com udp
N/A 100.123.11.124:80 ruitaiwz.com tcp
GB 51.105.71.137:443 tcp
US 93.184.221.240:80 tcp

Files

memory/4716-116-0x00007FFA5CE30000-0x00007FFA5CE40000-memory.dmp

memory/4716-117-0x00007FFA5CE30000-0x00007FFA5CE40000-memory.dmp

memory/4716-118-0x00007FFA5CE30000-0x00007FFA5CE40000-memory.dmp

memory/4716-119-0x00007FFA5CE30000-0x00007FFA5CE40000-memory.dmp

memory/4716-128-0x00007FFA5A110000-0x00007FFA5A120000-memory.dmp

memory/4716-129-0x00007FFA5A110000-0x00007FFA5A120000-memory.dmp

memory/4600-252-0x0000000000000000-mapping.dmp

memory/2164-255-0x0000000000000000-mapping.dmp

memory/5008-256-0x0000000000000000-mapping.dmp

memory/5036-257-0x0000000000000000-mapping.dmp

memory/4716-294-0x00007FFA5CE30000-0x00007FFA5CE40000-memory.dmp

memory/4716-295-0x00007FFA5CE30000-0x00007FFA5CE40000-memory.dmp

memory/4716-296-0x00007FFA5CE30000-0x00007FFA5CE40000-memory.dmp

memory/4716-297-0x00007FFA5CE30000-0x00007FFA5CE40000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-11-10 10:47

Reported

2022-11-10 10:50

Platform

win10-20220812-en

Max time kernel

101s

Max time network

139s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\aa9aa73e198c2f810177889edc8a0527882f2ffeead30db11658886da511c5ad.xls"

Signatures

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Processes

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\aa9aa73e198c2f810177889edc8a0527882f2ffeead30db11658886da511c5ad.xls"

Network

Country Destination Domain Proto
NL 13.69.109.131:443 tcp
US 13.107.4.50:80 tcp

Files

memory/2124-120-0x00007FFC640D0000-0x00007FFC640E0000-memory.dmp

memory/2124-121-0x00007FFC640D0000-0x00007FFC640E0000-memory.dmp

memory/2124-122-0x00007FFC640D0000-0x00007FFC640E0000-memory.dmp

memory/2124-123-0x00007FFC640D0000-0x00007FFC640E0000-memory.dmp

memory/2124-132-0x00007FFC60B40000-0x00007FFC60B50000-memory.dmp

memory/2124-133-0x00007FFC60B40000-0x00007FFC60B50000-memory.dmp

memory/2124-294-0x00007FFC640D0000-0x00007FFC640E0000-memory.dmp

memory/2124-295-0x00007FFC640D0000-0x00007FFC640E0000-memory.dmp

memory/2124-296-0x00007FFC640D0000-0x00007FFC640E0000-memory.dmp

memory/2124-297-0x00007FFC640D0000-0x00007FFC640E0000-memory.dmp