Malware Analysis Report

2025-01-22 15:49

Sample ID 231222-lnvnxsghg9
Target 821bf4028c0e7e17d232bbcce960f776
SHA256 c8395e8c9eefaf6fa50b8d65e3cad4fc9b4cdf156354bdbb03d8f1160ccc8405
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

c8395e8c9eefaf6fa50b8d65e3cad4fc9b4cdf156354bdbb03d8f1160ccc8405

Threat Level: Known bad

The file 821bf4028c0e7e17d232bbcce960f776 was found to be: Known bad.

Malicious Activity Summary

xlm

Process spawned unexpected child process

Modifies Internet Explorer settings

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-22 09:41

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-22 09:41

Reported

2023-12-23 13:30

Platform

win7-20231215-en

Max time kernel

0s

Max time network

119s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\821bf4028c0e7e17d232bbcce960f776.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-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\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-1-5-21-3601492379-692465709-652514833-1000\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-1-5-21-3601492379-692465709-652514833-1000\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\821bf4028c0e7e17d232bbcce960f776.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/2080-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2080-1-0x000000007237D000-0x0000000072388000-memory.dmp

memory/2080-2-0x000000007237D000-0x0000000072388000-memory.dmp

memory/2080-5-0x000000007237D000-0x0000000072388000-memory.dmp

memory/2080-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-22 09:41

Reported

2023-12-23 13:30

Platform

win10v2004-20231222-en

Max time kernel

0s

Max time network

130s

Command Line

"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 4120

Signatures

N/A

Processes

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 4120

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4120

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\821bf4028c0e7e17d232bbcce960f776.xlsm"

Network

Country Destination Domain Proto
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 18.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp

Files

memory/2472-3-0x00007FFAEBD70000-0x00007FFAEBD80000-memory.dmp

memory/2472-7-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/2472-9-0x00007FFAE94B0000-0x00007FFAE94C0000-memory.dmp

memory/2472-12-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/2472-14-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/2472-16-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/2472-19-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/2472-20-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/2472-21-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/2472-23-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/2472-22-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/2472-18-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/2472-17-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/2472-15-0x00007FFAE94B0000-0x00007FFAE94C0000-memory.dmp

memory/2472-13-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/2472-11-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/4472-33-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/4472-32-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/4472-31-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/2472-10-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/2472-8-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/2472-6-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/2472-5-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/2472-38-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/2472-4-0x00007FFAEBD70000-0x00007FFAEBD80000-memory.dmp

memory/4472-46-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/4472-45-0x00007FFB2BCF0000-0x00007FFB2BEE5000-memory.dmp

memory/4472-44-0x00007FFAEBD70000-0x00007FFAEBD80000-memory.dmp

memory/4472-43-0x00007FFAEBD70000-0x00007FFAEBD80000-memory.dmp

memory/4472-42-0x00007FFAEBD70000-0x00007FFAEBD80000-memory.dmp

memory/4472-41-0x00007FFAEBD70000-0x00007FFAEBD80000-memory.dmp

memory/2472-2-0x00007FFAEBD70000-0x00007FFAEBD80000-memory.dmp

memory/2472-1-0x00007FFAEBD70000-0x00007FFAEBD80000-memory.dmp

memory/2472-0-0x00007FFAEBD70000-0x00007FFAEBD80000-memory.dmp