Malware Analysis Report

2025-03-15 05:23

Sample ID 240629-1clzzawgrf
Target b4ebe05c82addf248ef9af985ee63335b043145feee4ba048f219592b81b8bbc
SHA256 b4ebe05c82addf248ef9af985ee63335b043145feee4ba048f219592b81b8bbc
Tags
macro
score
8/10

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
8/10

SHA256

b4ebe05c82addf248ef9af985ee63335b043145feee4ba048f219592b81b8bbc

Threat Level: Likely malicious

The file b4ebe05c82addf248ef9af985ee63335b043145feee4ba048f219592b81b8bbc was found to be: Likely malicious.

Malicious Activity Summary

macro

Suspicious Office macro

Office loads VBA resources, possible macro or embedded object present

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of FindShellTrayWindow

Enumerates system info in registry

Modifies Internet Explorer settings

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-29 21:30

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-29 21:30

Reported

2024-06-29 21:31

Platform

win7-20240611-en

Max time kernel

30s

Max time network

31s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\b4ebe05c82addf248ef9af985ee63335b043145feee4ba048f219592b81b8bbc.xlsm

Signatures

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Processes

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\b4ebe05c82addf248ef9af985ee63335b043145feee4ba048f219592b81b8bbc.xlsm

Network

Country Destination Domain Proto
US 8.8.8.8:53 docs.google.com udp

Files

memory/1968-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1968-1-0x0000000072AED000-0x0000000072AF8000-memory.dmp

memory/1968-26-0x0000000005BA0000-0x0000000005CA0000-memory.dmp

memory/1968-39-0x0000000005BA0000-0x0000000005CA0000-memory.dmp

memory/1968-64-0x0000000005BA0000-0x0000000005CA0000-memory.dmp

memory/1968-65-0x0000000005BA0000-0x0000000005CA0000-memory.dmp

memory/1968-66-0x0000000072AED000-0x0000000072AF8000-memory.dmp

memory/1968-67-0x0000000005BA0000-0x0000000005CA0000-memory.dmp

memory/1968-68-0x0000000005BA0000-0x0000000005CA0000-memory.dmp

memory/1968-69-0x0000000005BA0000-0x0000000005CA0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-29 21:30

Reported

2024-06-29 21:31

Platform

win10v2004-20240226-en

Max time kernel

61s

Max time network

64s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\b4ebe05c82addf248ef9af985ee63335b043145feee4ba048f219592b81b8bbc.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
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

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\b4ebe05c82addf248ef9af985ee63335b043145feee4ba048f219592b81b8bbc.xlsm"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4756 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 docs.google.com udp
GB 142.250.200.14:443 docs.google.com tcp
US 8.8.8.8:53 14.200.250.142.in-addr.arpa udp
GB 142.250.200.14:443 docs.google.com tcp
US 8.8.8.8:53 40.173.79.40.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 14.200.250.142.in-addr.arpa udp
GB 142.250.200.14:443 docs.google.com tcp
US 8.8.8.8:53 www.dropbox.com udp
GB 162.125.64.18:443 www.dropbox.com tcp
US 8.8.8.8:53 18.64.125.162.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp

Files

memory/3868-0-0x00007FFD57310000-0x00007FFD57320000-memory.dmp

memory/3868-1-0x00007FFD9732D000-0x00007FFD9732E000-memory.dmp

memory/3868-3-0x00007FFD57310000-0x00007FFD57320000-memory.dmp

memory/3868-2-0x00007FFD57310000-0x00007FFD57320000-memory.dmp

memory/3868-5-0x00007FFD57310000-0x00007FFD57320000-memory.dmp

memory/3868-4-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/3868-6-0x00007FFD57310000-0x00007FFD57320000-memory.dmp

memory/3868-9-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/3868-8-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/3868-12-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/3868-11-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/3868-10-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/3868-14-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/3868-13-0x00007FFD54A60000-0x00007FFD54A70000-memory.dmp

memory/3868-7-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/3868-15-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/3868-16-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/3868-17-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/3868-20-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/3868-19-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/3868-18-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/3868-21-0x00007FFD54A60000-0x00007FFD54A70000-memory.dmp

memory/3868-65-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/3868-131-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/3868-132-0x00007FFD9732D000-0x00007FFD9732E000-memory.dmp

memory/3868-133-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/3868-134-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/3868-135-0x00007FFD97290000-0x00007FFD97485000-memory.dmp