Malware Analysis Report

2025-03-15 05:41

Sample ID 240628-zwjtaavekr
Target 8f79eed45d0b308d4d4467708cc6bb4830c59784097ffad8bd0d1cfa97c941dc
SHA256 8f79eed45d0b308d4d4467708cc6bb4830c59784097ffad8bd0d1cfa97c941dc
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

8f79eed45d0b308d4d4467708cc6bb4830c59784097ffad8bd0d1cfa97c941dc

Threat Level: Likely malicious

The file 8f79eed45d0b308d4d4467708cc6bb4830c59784097ffad8bd0d1cfa97c941dc was found to be: Likely malicious.

Malicious Activity Summary

macro

Suspicious Office macro

Office loads VBA resources, possible macro or embedded object present

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-28 21:04

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-28 21:04

Reported

2024-06-28 21:05

Platform

win7-20240611-en

Max time kernel

28s

Max time network

20s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\8f79eed45d0b308d4d4467708cc6bb4830c59784097ffad8bd0d1cfa97c941dc.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\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\Toolbar 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 (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\E&xport to Microsoft Excel\Contexts = "1" 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 (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

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\8f79eed45d0b308d4d4467708cc6bb4830c59784097ffad8bd0d1cfa97c941dc.xlsm

Network

Country Destination Domain Proto
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 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/1704-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1704-1-0x0000000072B4D000-0x0000000072B58000-memory.dmp

memory/1704-26-0x0000000006280000-0x0000000006380000-memory.dmp

memory/1704-39-0x0000000006280000-0x0000000006380000-memory.dmp

memory/1704-65-0x0000000006280000-0x0000000006380000-memory.dmp

memory/1704-64-0x0000000006280000-0x0000000006380000-memory.dmp

memory/1704-66-0x0000000006280000-0x0000000006380000-memory.dmp

memory/1704-67-0x0000000072B4D000-0x0000000072B58000-memory.dmp

memory/1704-68-0x0000000006280000-0x0000000006380000-memory.dmp

memory/1704-69-0x0000000006280000-0x0000000006380000-memory.dmp

memory/1704-70-0x0000000006280000-0x0000000006380000-memory.dmp

memory/1704-71-0x0000000006280000-0x0000000006380000-memory.dmp

memory/1704-72-0x0000000006280000-0x0000000006380000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-28 21:04

Reported

2024-06-28 21:05

Platform

win10v2004-20240508-en

Max time kernel

46s

Max time network

38s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\8f79eed45d0b308d4d4467708cc6bb4830c59784097ffad8bd0d1cfa97c941dc.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

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\8f79eed45d0b308d4d4467708cc6bb4830c59784097ffad8bd0d1cfa97c941dc.xlsm"

Network

Country Destination Domain Proto
US 8.8.8.8:53 46.28.109.52.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 www.dropbox.com udp
GB 162.125.64.18:443 www.dropbox.com tcp
US 8.8.8.8:53 roaming.officeapps.live.com udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 14.200.250.142.in-addr.arpa udp
US 8.8.8.8:53 18.64.125.162.in-addr.arpa udp
IE 52.109.76.243:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 243.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 137.71.105.51.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp

Files

memory/4532-0-0x00007FFCA9E50000-0x00007FFCA9E60000-memory.dmp

memory/4532-1-0x00007FFCA9E50000-0x00007FFCA9E60000-memory.dmp

memory/4532-2-0x00007FFCA9E50000-0x00007FFCA9E60000-memory.dmp

memory/4532-5-0x00007FFCE9E6D000-0x00007FFCE9E6E000-memory.dmp

memory/4532-4-0x00007FFCA9E50000-0x00007FFCA9E60000-memory.dmp

memory/4532-3-0x00007FFCA9E50000-0x00007FFCA9E60000-memory.dmp

memory/4532-8-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

memory/4532-9-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

memory/4532-10-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

memory/4532-11-0x00007FFCA7690000-0x00007FFCA76A0000-memory.dmp

memory/4532-7-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

memory/4532-6-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

memory/4532-12-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

memory/4532-14-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

memory/4532-15-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

memory/4532-17-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

memory/4532-16-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp

memory/4532-13-0x00007FFCA7690000-0x00007FFCA76A0000-memory.dmp

memory/4532-152-0x00007FFCE9DD0000-0x00007FFCE9FC5000-memory.dmp