Malware Analysis Report

2024-10-16 02:53

Sample ID 240625-z42ztstdrf
Target 28dd92363338b539aeec00df283e20666ad1bdee90d78c6376f615a0b9481f97
SHA256 28dd92363338b539aeec00df283e20666ad1bdee90d78c6376f615a0b9481f97
Tags
macro macro_on_action
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

28dd92363338b539aeec00df283e20666ad1bdee90d78c6376f615a0b9481f97

Threat Level: Likely malicious

The file 28dd92363338b539aeec00df283e20666ad1bdee90d78c6376f615a0b9481f97 was found to be: Likely malicious.

Malicious Activity Summary

macro macro_on_action

Office macro that triggers on suspicious action

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

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-25 21:17

Signatures

Office macro that triggers on suspicious action

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

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-25 21:17

Reported

2024-06-25 21:18

Platform

win7-20231129-en

Max time kernel

47s

Max time network

17s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\28dd92363338b539aeec00df283e20666ad1bdee90d78c6376f615a0b9481f97.xls

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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\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
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\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-1-5-21-3627615824-4061627003-3019543961-1000\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\28dd92363338b539aeec00df283e20666ad1bdee90d78c6376f615a0b9481f97.xls

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 pki.goog udp
US 216.239.32.29:80 pki.goog tcp
US 8.8.8.8:53 www.microsoft.com udp
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/1420-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1420-1-0x000000007212D000-0x0000000072138000-memory.dmp

memory/1420-26-0x0000000006320000-0x0000000006420000-memory.dmp

memory/1420-39-0x0000000006320000-0x0000000006420000-memory.dmp

memory/1420-52-0x0000000006320000-0x0000000006420000-memory.dmp

memory/1420-65-0x0000000006320000-0x0000000006420000-memory.dmp

memory/1420-80-0x0000000006320000-0x0000000006420000-memory.dmp

memory/1420-81-0x000000007212D000-0x0000000072138000-memory.dmp

memory/1420-82-0x0000000006320000-0x0000000006420000-memory.dmp

memory/1420-83-0x0000000006320000-0x0000000006420000-memory.dmp

memory/1420-84-0x0000000006320000-0x0000000006420000-memory.dmp

memory/1420-85-0x0000000006320000-0x0000000006420000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-25 21:17

Reported

2024-06-25 21:18

Platform

win10v2004-20240508-en

Max time kernel

46s

Max time network

34s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\28dd92363338b539aeec00df283e20666ad1bdee90d78c6376f615a0b9481f97.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\28dd92363338b539aeec00df283e20666ad1bdee90d78c6376f615a0b9481f97.xls"

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 240.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
NL 52.109.89.19:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 19.89.109.52.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
US 8.8.8.8:53 206.187.250.142.in-addr.arpa 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 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 121.150.79.40.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 31.121.18.2.in-addr.arpa udp

Files

memory/4108-0-0x00007FFF45110000-0x00007FFF45120000-memory.dmp

memory/4108-1-0x00007FFF8512D000-0x00007FFF8512E000-memory.dmp

memory/4108-2-0x00007FFF45110000-0x00007FFF45120000-memory.dmp

memory/4108-4-0x00007FFF45110000-0x00007FFF45120000-memory.dmp

memory/4108-3-0x00007FFF45110000-0x00007FFF45120000-memory.dmp

memory/4108-5-0x00007FFF85090000-0x00007FFF85285000-memory.dmp

memory/4108-6-0x00007FFF45110000-0x00007FFF45120000-memory.dmp

memory/4108-7-0x00007FFF85090000-0x00007FFF85285000-memory.dmp

memory/4108-12-0x00007FFF85090000-0x00007FFF85285000-memory.dmp

memory/4108-11-0x00007FFF85090000-0x00007FFF85285000-memory.dmp

memory/4108-13-0x00007FFF85090000-0x00007FFF85285000-memory.dmp

memory/4108-14-0x00007FFF85090000-0x00007FFF85285000-memory.dmp

memory/4108-16-0x00007FFF85090000-0x00007FFF85285000-memory.dmp

memory/4108-17-0x00007FFF42B60000-0x00007FFF42B70000-memory.dmp

memory/4108-15-0x00007FFF85090000-0x00007FFF85285000-memory.dmp

memory/4108-18-0x00007FFF85090000-0x00007FFF85285000-memory.dmp

memory/4108-10-0x00007FFF42B60000-0x00007FFF42B70000-memory.dmp

memory/4108-9-0x00007FFF85090000-0x00007FFF85285000-memory.dmp

memory/4108-8-0x00007FFF85090000-0x00007FFF85285000-memory.dmp

memory/4108-77-0x00007FFF85090000-0x00007FFF85285000-memory.dmp

memory/4108-152-0x00007FFF85090000-0x00007FFF85285000-memory.dmp

memory/4108-153-0x00007FFF8512D000-0x00007FFF8512E000-memory.dmp

memory/4108-154-0x00007FFF85090000-0x00007FFF85285000-memory.dmp

memory/4108-155-0x00007FFF85090000-0x00007FFF85285000-memory.dmp