Malware Analysis Report

2025-01-22 15:57

Sample ID 231222-lvpq9ahbf2
Target 82b7e2eb41fe72f13228de55404b7aad
SHA256 8688e041cd2c0a6441fb87dca3e341327b09d4ce352272a5bc5121fdae889e02
Tags
xlm
score
10/10

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
10/10

SHA256

8688e041cd2c0a6441fb87dca3e341327b09d4ce352272a5bc5121fdae889e02

Threat Level: Known bad

The file 82b7e2eb41fe72f13228de55404b7aad was found to be: Known bad.

Malicious Activity Summary

xlm

Process spawned unexpected child process

Process spawned suspicious child process

Suspicious behavior: AddClipboardFormatListener

Suspicious use of FindShellTrayWindow

Modifies Internet Explorer settings

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-22 09:51

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-22 09:51

Reported

2023-12-23 13:36

Platform

win7-20231215-en

Max time kernel

1s

Max time network

125s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\82b7e2eb41fe72f13228de55404b7aad.xlsm

Signatures

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\SysWOW64\wscript.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\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-1-5-21-928733405-3780110381-2966456290-1000\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-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" 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\82b7e2eb41fe72f13228de55404b7aad.xlsm

C:\Windows\SysWOW64\wscript.exe

wscript C:\zer\spp.vbs

Network

Country Destination Domain Proto
NL 46.17.98.187:80 tcp
NL 46.17.98.187:80 tcp
US 8.8.8.8:53 google.com udp
GB 172.217.169.78:80 google.com tcp

Files

memory/1648-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1648-1-0x0000000072D4D000-0x0000000072D58000-memory.dmp

memory/1648-2-0x0000000072D4D000-0x0000000072D58000-memory.dmp

memory/1648-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1648-5-0x0000000072D4D000-0x0000000072D58000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-22 09:51

Reported

2023-12-23 13:36

Platform

win10v2004-20231215-en

Max time kernel

143s

Max time network

152s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\82b7e2eb41fe72f13228de55404b7aad.xlsm"

Signatures

Process spawned suspicious child process

Description Indicator Process Target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\system32\dwwin.exe N/A
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Windows\system32\dwwin.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Windows\system32\dwwin.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Windows\system32\dwwin.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Windows\system32\dwwin.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

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\82b7e2eb41fe72f13228de55404b7aad.xlsm"

C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE

"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 3896

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 3896

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 19.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 100.5.17.2.in-addr.arpa udp
US 8.8.8.8:53 209.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 211.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 211.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
GB 88.221.135.211:80 tcp
GB 88.221.135.211:80 tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 24.73.42.20.in-addr.arpa udp

Files

memory/1556-0-0x00007FFAFF790000-0x00007FFAFF7A0000-memory.dmp

memory/1556-1-0x00007FFB3F710000-0x00007FFB3F905000-memory.dmp

memory/1556-3-0x00007FFB3F710000-0x00007FFB3F905000-memory.dmp

memory/1556-5-0x00007FFB3F710000-0x00007FFB3F905000-memory.dmp

memory/1556-4-0x00007FFAFF790000-0x00007FFAFF7A0000-memory.dmp

memory/1556-7-0x00007FFAFF790000-0x00007FFAFF7A0000-memory.dmp

memory/1556-2-0x00007FFAFF790000-0x00007FFAFF7A0000-memory.dmp

memory/1556-6-0x00007FFAFF790000-0x00007FFAFF7A0000-memory.dmp

memory/1556-8-0x00007FFB3F710000-0x00007FFB3F905000-memory.dmp

memory/1556-9-0x00007FFB3F710000-0x00007FFB3F905000-memory.dmp

memory/1556-10-0x00007FFAFD440000-0x00007FFAFD450000-memory.dmp

memory/1556-11-0x00007FFAFD440000-0x00007FFAFD450000-memory.dmp

memory/4848-15-0x00007FFB3F710000-0x00007FFB3F905000-memory.dmp

memory/4848-16-0x00007FFB3F710000-0x00007FFB3F905000-memory.dmp

memory/4848-18-0x00007FFB3F710000-0x00007FFB3F905000-memory.dmp

memory/4848-20-0x00007FFB3F710000-0x00007FFB3F905000-memory.dmp

memory/4848-21-0x00007FFB3F710000-0x00007FFB3F905000-memory.dmp

memory/1556-26-0x00007FFB3F710000-0x00007FFB3F905000-memory.dmp

memory/4848-29-0x00007FFAFF790000-0x00007FFAFF7A0000-memory.dmp

memory/4848-30-0x00007FFAFF790000-0x00007FFAFF7A0000-memory.dmp

memory/4848-31-0x00007FFAFF790000-0x00007FFAFF7A0000-memory.dmp

memory/4848-32-0x00007FFAFF790000-0x00007FFAFF7A0000-memory.dmp

memory/4848-33-0x00007FFB3F710000-0x00007FFB3F905000-memory.dmp