Malware Analysis Report

2025-03-15 07:11

Sample ID 230405-k65feaeg7v
Target 11e794058ecb3d3dd1fd975634b563cd.zip
SHA256 67d9df139ef84d58456c5aa203283af9aafdcc4cfde70d842b0fdb73d4c3efc1
Tags
macro xlm
score
8/10

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 Overview

score
8/10

SHA256

67d9df139ef84d58456c5aa203283af9aafdcc4cfde70d842b0fdb73d4c3efc1

Threat Level: Likely malicious

The file 11e794058ecb3d3dd1fd975634b563cd.zip was found to be: Likely malicious.

Malicious Activity Summary

macro xlm

Suspicious Office macro

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-04-05 09:13

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-05 09:13

Reported

2023-04-05 09:16

Platform

win10-20230220-en

Max time kernel

173s

Max time network

177s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\11e794058ecb3d3dd1fd975634b563cd.xlsm"

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

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2288 wrote to memory of 4368 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\splwow64.exe
PID 2288 wrote to memory of 4368 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\splwow64.exe

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\11e794058ecb3d3dd1fd975634b563cd.xlsm"

C:\Windows\splwow64.exe

C:\Windows\splwow64.exe 12288

Network

Country Destination Domain Proto
US 8.8.8.8:53 191.88.109.52.in-addr.arpa udp
US 8.8.8.8:53 2.77.109.52.in-addr.arpa udp
US 8.8.8.8:53 16.42.107.13.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
GB 51.105.71.136:443 tcp
US 8.8.8.8:53 27.178.89.13.in-addr.arpa udp
NL 8.238.179.126:80 tcp

Files

memory/2288-121-0x00007FFD041A0000-0x00007FFD041B0000-memory.dmp

memory/2288-122-0x00007FFD041A0000-0x00007FFD041B0000-memory.dmp

memory/2288-123-0x00007FFD041A0000-0x00007FFD041B0000-memory.dmp

memory/2288-124-0x00007FFD041A0000-0x00007FFD041B0000-memory.dmp

memory/2288-133-0x00007FFD00630000-0x00007FFD00640000-memory.dmp

memory/2288-134-0x00007FFD00630000-0x00007FFD00640000-memory.dmp

memory/2288-273-0x0000022BF24B0000-0x0000022BF24DF000-memory.dmp

memory/2288-321-0x00007FFD041A0000-0x00007FFD041B0000-memory.dmp

memory/2288-322-0x00007FFD041A0000-0x00007FFD041B0000-memory.dmp

memory/2288-323-0x00007FFD041A0000-0x00007FFD041B0000-memory.dmp

memory/2288-324-0x00007FFD041A0000-0x00007FFD041B0000-memory.dmp

memory/2288-325-0x0000022BF24B0000-0x0000022BF24DF000-memory.dmp