Malware Analysis Report

2025-01-22 12:11

Sample ID 240531-cnwfsacf77
Target d52d109e6950671919fd5078790d00840b1c188e99bdc34c5343f4920ee7f41e
SHA256 d52d109e6950671919fd5078790d00840b1c188e99bdc34c5343f4920ee7f41e
Tags
macro
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
8/10

SHA256

d52d109e6950671919fd5078790d00840b1c188e99bdc34c5343f4920ee7f41e

Threat Level: Likely malicious

The file d52d109e6950671919fd5078790d00840b1c188e99bdc34c5343f4920ee7f41e 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

Modifies Internet Explorer settings

Checks processor information in registry

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-31 02:13

Signatures

Suspicious Office macro

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-31 02:13

Reported

2024-05-31 02:14

Platform

win10v2004-20240426-en

Max time kernel

47s

Max time network

35s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\d52d109e6950671919fd5078790d00840b1c188e99bdc34c5343f4920ee7f41e.xlsm"

Signatures

Checks processor information in registry

Description Indicator Process Target
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
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 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\d52d109e6950671919fd5078790d00840b1c188e99bdc34c5343f4920ee7f41e.xlsm"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.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 97.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 129.68.109.52.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
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
GB 162.125.64.18:443 www.dropbox.com tcp
US 8.8.8.8:53 14.200.250.142.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 18.64.125.162.in-addr.arpa udp
US 8.8.8.8:53 136.71.105.51.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp

Files

memory/1792-6-0x00007FFAFE0F0000-0x00007FFAFE2E5000-memory.dmp

memory/1792-5-0x00007FFAFE18D000-0x00007FFAFE18E000-memory.dmp

memory/1792-13-0x00007FFAFE0F0000-0x00007FFAFE2E5000-memory.dmp

memory/1792-18-0x00007FFAFE0F0000-0x00007FFAFE2E5000-memory.dmp

memory/1792-21-0x00007FFAFE0F0000-0x00007FFAFE2E5000-memory.dmp

memory/1792-22-0x00007FFABBFD0000-0x00007FFABBFE0000-memory.dmp

memory/1792-20-0x00007FFAFE0F0000-0x00007FFAFE2E5000-memory.dmp

memory/1792-19-0x00007FFAFE0F0000-0x00007FFAFE2E5000-memory.dmp

memory/1792-17-0x00007FFAFE0F0000-0x00007FFAFE2E5000-memory.dmp

memory/1792-16-0x00007FFAFE0F0000-0x00007FFAFE2E5000-memory.dmp

memory/1792-15-0x00007FFABBFD0000-0x00007FFABBFE0000-memory.dmp

memory/1792-14-0x00007FFAFE0F0000-0x00007FFAFE2E5000-memory.dmp

memory/1792-12-0x00007FFAFE0F0000-0x00007FFAFE2E5000-memory.dmp

memory/1792-11-0x00007FFAFE0F0000-0x00007FFAFE2E5000-memory.dmp

memory/1792-10-0x00007FFAFE0F0000-0x00007FFAFE2E5000-memory.dmp

memory/1792-9-0x00007FFAFE0F0000-0x00007FFAFE2E5000-memory.dmp

memory/1792-8-0x00007FFAFE0F0000-0x00007FFAFE2E5000-memory.dmp

memory/1792-7-0x00007FFAFE0F0000-0x00007FFAFE2E5000-memory.dmp

memory/1792-4-0x00007FFABE170000-0x00007FFABE180000-memory.dmp

memory/1792-3-0x00007FFABE170000-0x00007FFABE180000-memory.dmp

memory/1792-2-0x00007FFABE170000-0x00007FFABE180000-memory.dmp

memory/1792-1-0x00007FFABE170000-0x00007FFABE180000-memory.dmp

memory/1792-0-0x00007FFABE170000-0x00007FFABE180000-memory.dmp

memory/1792-74-0x00007FFAFE0F0000-0x00007FFAFE2E5000-memory.dmp

memory/1792-159-0x00007FFAFE0F0000-0x00007FFAFE2E5000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-31 02:13

Reported

2024-05-31 02:14

Platform

win7-20240508-en

Max time kernel

45s

Max time network

16s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\d52d109e6950671919fd5078790d00840b1c188e99bdc34c5343f4920ee7f41e.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
Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\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-1-5-21-3691908287-3775019229-3534252667-1000\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-1-5-21-3691908287-3775019229-3534252667-1000\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-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\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-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\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\d52d109e6950671919fd5078790d00840b1c188e99bdc34c5343f4920ee7f41e.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/2384-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2384-1-0x00000000725FD000-0x0000000072608000-memory.dmp

memory/2384-26-0x00000000062F0000-0x00000000063F0000-memory.dmp

memory/2384-64-0x00000000062F0000-0x00000000063F0000-memory.dmp

memory/2384-40-0x00000000062F0000-0x00000000063F0000-memory.dmp

memory/2384-65-0x00000000062F0000-0x00000000063F0000-memory.dmp

memory/2384-66-0x00000000062F0000-0x00000000063F0000-memory.dmp

memory/2384-67-0x00000000725FD000-0x0000000072608000-memory.dmp

memory/2384-68-0x00000000062F0000-0x00000000063F0000-memory.dmp

memory/2384-69-0x00000000062F0000-0x00000000063F0000-memory.dmp

memory/2384-70-0x00000000062F0000-0x00000000063F0000-memory.dmp

memory/2384-71-0x00000000062F0000-0x00000000063F0000-memory.dmp