Malware Analysis Report

2025-08-05 21:39

Sample ID 221110-mkc55shae7
Target d951384b5cb5b0c23bd773ed96c6f23367e803a60ff20b7def0dc2403c227caa.xls
SHA256 d951384b5cb5b0c23bd773ed96c6f23367e803a60ff20b7def0dc2403c227caa
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

d951384b5cb5b0c23bd773ed96c6f23367e803a60ff20b7def0dc2403c227caa

Threat Level: Known bad

The file d951384b5cb5b0c23bd773ed96c6f23367e803a60ff20b7def0dc2403c227caa.xls was found to be: Known bad.

Malicious Activity Summary

macro xlm

Process spawned unexpected child process

Suspicious Office macro

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-11-10 10:31

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 10:31

Reported

2022-11-10 10:33

Platform

win10-20220812-en

Max time kernel

128s

Max time network

131s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\d951384b5cb5b0c23bd773ed96c6f23367e803a60ff20b7def0dc2403c227caa.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

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\d951384b5cb5b0c23bd773ed96c6f23367e803a60ff20b7def0dc2403c227caa.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 100.94.2.150:443 www.conceptagency.net tcp
US 8.8.8.8:53 bencevendeghaz.hu udp
N/A 100.99.159.97:443 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 100.121.206.186:80 ruitaiwz.com tcp

Files

memory/2648-115-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

memory/2648-116-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

memory/2648-117-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

memory/2648-118-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

memory/2648-127-0x00007FFC2E8D0000-0x00007FFC2E8E0000-memory.dmp

memory/2648-128-0x00007FFC2E8D0000-0x00007FFC2E8E0000-memory.dmp

memory/1828-259-0x0000000000000000-mapping.dmp

memory/4048-262-0x0000000000000000-mapping.dmp

memory/4156-263-0x0000000000000000-mapping.dmp

memory/4172-264-0x0000000000000000-mapping.dmp

memory/2648-297-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

memory/2648-298-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

memory/2648-299-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

memory/2648-300-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-11-10 10:31

Reported

2022-11-10 10:33

Platform

win10-20220812-en

Max time kernel

101s

Max time network

141s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\d951384b5cb5b0c23bd773ed96c6f23367e803a60ff20b7def0dc2403c227caa.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\d951384b5cb5b0c23bd773ed96c6f23367e803a60ff20b7def0dc2403c227caa.xls"

Network

Country Destination Domain Proto
NL 13.69.109.131:443 tcp
US 8.252.118.126:80 tcp

Files

memory/2496-117-0x00007FFA4D760000-0x00007FFA4D770000-memory.dmp

memory/2496-118-0x00007FFA4D760000-0x00007FFA4D770000-memory.dmp

memory/2496-119-0x00007FFA4D760000-0x00007FFA4D770000-memory.dmp

memory/2496-120-0x00007FFA4D760000-0x00007FFA4D770000-memory.dmp

memory/2496-129-0x00007FFA49C60000-0x00007FFA49C70000-memory.dmp

memory/2496-130-0x00007FFA49C60000-0x00007FFA49C70000-memory.dmp

memory/2496-289-0x00007FFA4D760000-0x00007FFA4D770000-memory.dmp

memory/2496-291-0x00007FFA4D760000-0x00007FFA4D770000-memory.dmp

memory/2496-290-0x00007FFA4D760000-0x00007FFA4D770000-memory.dmp

memory/2496-292-0x00007FFA4D760000-0x00007FFA4D770000-memory.dmp