Malware Analysis Report

2025-01-22 12:21

Sample ID 240625-z3czbawdqk
Target 4f5705da985343fe7cd8e491927e2f6879c0dff6de263b389fe57dceef21d521
SHA256 4f5705da985343fe7cd8e491927e2f6879c0dff6de263b389fe57dceef21d521
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

4f5705da985343fe7cd8e491927e2f6879c0dff6de263b389fe57dceef21d521

Threat Level: Likely malicious

The file 4f5705da985343fe7cd8e491927e2f6879c0dff6de263b389fe57dceef21d521 was found to be: Likely malicious.

Malicious Activity Summary

macro

Suspicious Office macro

Office loads VBA resources, possible macro or embedded object present

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Suspicious use of FindShellTrayWindow

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-25 21:14

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 21:14

Reported

2024-06-25 21:15

Platform

win7-20240611-en

Max time kernel

27s

Max time network

19s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\4f5705da985343fe7cd8e491927e2f6879c0dff6de263b389fe57dceef21d521.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 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
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\4f5705da985343fe7cd8e491927e2f6879c0dff6de263b389fe57dceef21d521.xlsm

Network

Country Destination Domain Proto
US 8.8.8.8:53 docs.google.com udp
GB 142.250.187.206:443 docs.google.com tcp
US 8.8.8.8:53 www.dropbox.com udp
GB 162.125.64.18:443 www.dropbox.com tcp
GB 162.125.64.18:443 www.dropbox.com tcp

Files

memory/2204-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2204-1-0x000000007233D000-0x0000000072348000-memory.dmp

memory/2204-26-0x0000000005940000-0x0000000005A40000-memory.dmp

memory/2204-64-0x0000000005940000-0x0000000005A40000-memory.dmp

memory/2204-65-0x0000000005940000-0x0000000005A40000-memory.dmp

memory/2204-63-0x0000000005940000-0x0000000005A40000-memory.dmp

memory/2204-66-0x0000000005940000-0x0000000005A40000-memory.dmp

memory/2204-67-0x000000007233D000-0x0000000072348000-memory.dmp

memory/2204-68-0x0000000005940000-0x0000000005A40000-memory.dmp

memory/2204-69-0x0000000005940000-0x0000000005A40000-memory.dmp

memory/2204-70-0x0000000005940000-0x0000000005A40000-memory.dmp

memory/2204-71-0x0000000005940000-0x0000000005A40000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 21:14

Reported

2024-06-25 21:15

Platform

win10v2004-20240226-en

Max time kernel

49s

Max time network

39s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\4f5705da985343fe7cd8e491927e2f6879c0dff6de263b389fe57dceef21d521.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

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\4f5705da985343fe7cd8e491927e2f6879c0dff6de263b389fe57dceef21d521.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 18.89.109.52.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 101.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 docs.google.com udp
GB 142.250.187.206:443 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 8.8.8.8:53 206.187.250.142.in-addr.arpa udp
US 8.8.8.8:53 26.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 18.64.125.162.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp

Files

memory/4156-0-0x00007FFD57310000-0x00007FFD57320000-memory.dmp

memory/4156-2-0x00007FFD57310000-0x00007FFD57320000-memory.dmp

memory/4156-3-0x00007FFD9732D000-0x00007FFD9732E000-memory.dmp

memory/4156-1-0x00007FFD57310000-0x00007FFD57320000-memory.dmp

memory/4156-4-0x00007FFD57310000-0x00007FFD57320000-memory.dmp

memory/4156-5-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/4156-6-0x00007FFD57310000-0x00007FFD57320000-memory.dmp

memory/4156-7-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/4156-8-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/4156-9-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/4156-10-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/4156-11-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/4156-13-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/4156-14-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/4156-12-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/4156-15-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/4156-16-0x00007FFD54A60000-0x00007FFD54A70000-memory.dmp

memory/4156-17-0x00007FFD54A60000-0x00007FFD54A70000-memory.dmp

memory/4156-68-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/4156-150-0x00007FFD97290000-0x00007FFD97485000-memory.dmp

memory/4156-153-0x00007FFD97290000-0x00007FFD97485000-memory.dmp