Malware Analysis Report

2025-01-22 12:11

Sample ID 240531-crra8scg73
Target 4223b1b4e0ee23a5e6bc7b1babd18dd9678bcc9a8fcbabe6c9a262f6dc4c92f7
SHA256 4223b1b4e0ee23a5e6bc7b1babd18dd9678bcc9a8fcbabe6c9a262f6dc4c92f7
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

4223b1b4e0ee23a5e6bc7b1babd18dd9678bcc9a8fcbabe6c9a262f6dc4c92f7

Threat Level: Likely malicious

The file 4223b1b4e0ee23a5e6bc7b1babd18dd9678bcc9a8fcbabe6c9a262f6dc4c92f7 was found to be: Likely malicious.

Malicious Activity Summary

macro

Suspicious Office macro

Office loads VBA resources, possible macro or embedded object present

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-31 02:18

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-31 02:18

Reported

2024-05-31 02:19

Platform

win7-20240215-en

Max time kernel

49s

Max time network

17s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\4223b1b4e0ee23a5e6bc7b1babd18dd9678bcc9a8fcbabe6c9a262f6dc4c92f7.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-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\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-1-5-21-2248906074-2862704502-246302768-1000\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-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\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-1-5-21-2248906074-2862704502-246302768-1000\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-1-5-21-2248906074-2862704502-246302768-1000\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\4223b1b4e0ee23a5e6bc7b1babd18dd9678bcc9a8fcbabe6c9a262f6dc4c92f7.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/1756-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1756-1-0x00000000725DD000-0x00000000725E8000-memory.dmp

memory/1756-26-0x00000000062A0000-0x00000000063A0000-memory.dmp

memory/1756-39-0x00000000062A0000-0x00000000063A0000-memory.dmp

memory/1756-52-0x00000000062A0000-0x00000000063A0000-memory.dmp

memory/1756-65-0x00000000062A0000-0x00000000063A0000-memory.dmp

memory/1756-66-0x00000000062A0000-0x00000000063A0000-memory.dmp

memory/1756-67-0x00000000725DD000-0x00000000725E8000-memory.dmp

memory/1756-68-0x00000000062A0000-0x00000000063A0000-memory.dmp

memory/1756-69-0x00000000062A0000-0x00000000063A0000-memory.dmp

memory/1756-70-0x00000000062A0000-0x00000000063A0000-memory.dmp

memory/1756-71-0x00000000062A0000-0x00000000063A0000-memory.dmp

memory/1756-72-0x00000000062A0000-0x00000000063A0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-31 02:18

Reported

2024-05-31 02:19

Platform

win10v2004-20240508-en

Max time kernel

33s

Max time network

35s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\4223b1b4e0ee23a5e6bc7b1babd18dd9678bcc9a8fcbabe6c9a262f6dc4c92f7.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\4223b1b4e0ee23a5e6bc7b1babd18dd9678bcc9a8fcbabe6c9a262f6dc4c92f7.xlsm"

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
FR 52.109.68.129:443 roaming.officeapps.live.com tcp
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 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 129.68.109.52.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.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
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
BE 88.221.83.187:443 www.bing.com tcp
US 8.8.8.8:53 187.83.221.88.in-addr.arpa udp
BE 88.221.83.187:443 www.bing.com tcp
US 8.8.8.8:53 215.143.182.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp

Files

memory/4856-0-0x00007FFC44BF0000-0x00007FFC44C00000-memory.dmp

memory/4856-1-0x00007FFC44BF0000-0x00007FFC44C00000-memory.dmp

memory/4856-2-0x00007FFC44BF0000-0x00007FFC44C00000-memory.dmp

memory/4856-3-0x00007FFC44BF0000-0x00007FFC44C00000-memory.dmp

memory/4856-4-0x00007FFC44BF0000-0x00007FFC44C00000-memory.dmp

memory/4856-7-0x00007FFC84B70000-0x00007FFC84D65000-memory.dmp

memory/4856-6-0x00007FFC84B70000-0x00007FFC84D65000-memory.dmp

memory/4856-5-0x00007FFC84C0D000-0x00007FFC84C0E000-memory.dmp

memory/4856-9-0x00007FFC84B70000-0x00007FFC84D65000-memory.dmp

memory/4856-8-0x00007FFC42AF0000-0x00007FFC42B00000-memory.dmp

memory/4856-10-0x00007FFC84B70000-0x00007FFC84D65000-memory.dmp

memory/4856-11-0x00007FFC84B70000-0x00007FFC84D65000-memory.dmp

memory/4856-13-0x00007FFC84B70000-0x00007FFC84D65000-memory.dmp

memory/4856-14-0x00007FFC42AF0000-0x00007FFC42B00000-memory.dmp

memory/4856-17-0x00007FFC84B70000-0x00007FFC84D65000-memory.dmp

memory/4856-18-0x00007FFC84B70000-0x00007FFC84D65000-memory.dmp

memory/4856-20-0x00007FFC84B70000-0x00007FFC84D65000-memory.dmp

memory/4856-21-0x00007FFC84B70000-0x00007FFC84D65000-memory.dmp

memory/4856-19-0x00007FFC84B70000-0x00007FFC84D65000-memory.dmp

memory/4856-16-0x00007FFC84B70000-0x00007FFC84D65000-memory.dmp

memory/4856-15-0x00007FFC84B70000-0x00007FFC84D65000-memory.dmp

memory/4856-12-0x00007FFC84B70000-0x00007FFC84D65000-memory.dmp

memory/4856-73-0x00007FFC84B70000-0x00007FFC84D65000-memory.dmp

memory/4856-158-0x00007FFC84B70000-0x00007FFC84D65000-memory.dmp