Malware Analysis Report

2025-01-22 15:57

Sample ID 231222-cglb8shah5
Target 4ec1a61a5b993f2fcaaf7f282fcddf3b
SHA256 14f7ac1325b2461a3291b7699fcf647d1293675343aa17ee2f0ba1b503cd6257
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

14f7ac1325b2461a3291b7699fcf647d1293675343aa17ee2f0ba1b503cd6257

Threat Level: Known bad

The file 4ec1a61a5b993f2fcaaf7f282fcddf3b was found to be: Known bad.

Malicious Activity Summary

xlm

Process spawned unexpected child process

Modifies Internet Explorer settings

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-22 02:02

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-22 02:02

Reported

2023-12-23 05:06

Platform

win7-20231129-en

Max time kernel

0s

Max time network

122s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\4ec1a61a5b993f2fcaaf7f282fcddf3b.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\msiexec.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
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-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\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-1-5-21-3470981204-343661084-3367201002-1000\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-1-5-21-3470981204-343661084-3367201002-1000\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\4ec1a61a5b993f2fcaaf7f282fcddf3b.xlsm

C:\Windows\SysWOW64\msiexec.exe

msiexec.exe

C:\Windows\SysWOW64\wscript.exe

wscript C:\ProgramData\start.vbs

Network

Country Destination Domain Proto
NL 46.17.98.187:80 tcp
NL 46.17.98.187:80 tcp

Files

memory/2548-1-0x000000007260D000-0x0000000072618000-memory.dmp

memory/2548-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2548-2-0x000000007260D000-0x0000000072618000-memory.dmp

memory/2548-5-0x000000007260D000-0x0000000072618000-memory.dmp

memory/2548-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-22 02:02

Reported

2023-12-23 05:06

Platform

win10v2004-20231215-en

Max time kernel

0s

Max time network

74s

Command Line

msiexec.exe

Signatures

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Processes

C:\Windows\SYSTEM32\msiexec.exe

msiexec.exe

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 3768

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 3768

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

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\4ec1a61a5b993f2fcaaf7f282fcddf3b.xlsm"

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe

C:\Windows\System32\svchost.exe

C:\Windows\System32\svchost.exe -k UnistackSvcGroup

Network

Country Destination Domain Proto
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 97.32.109.52.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 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.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
US 4.231.128.59:443 tcp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
GB 87.248.204.0:80 tcp
GB 87.248.204.0:80 tcp

Files

memory/4556-4-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/4556-5-0x00007FFA69790000-0x00007FFA697A0000-memory.dmp

memory/4556-10-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/4556-13-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/4556-16-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/4556-18-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/4556-20-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/4556-21-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/4556-19-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/4556-17-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/4556-15-0x00007FFA66ED0000-0x00007FFA66EE0000-memory.dmp

memory/4556-14-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/4556-12-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/1332-27-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/1332-31-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/1332-32-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/1332-29-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/1332-25-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/4556-37-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/1332-23-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/4556-11-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/4556-9-0x00007FFA66ED0000-0x00007FFA66EE0000-memory.dmp

memory/1332-43-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/1332-45-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/1332-47-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/1332-46-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/1332-44-0x00007FFA69790000-0x00007FFA697A0000-memory.dmp

memory/1332-42-0x00007FFA69790000-0x00007FFA697A0000-memory.dmp

memory/1332-41-0x00007FFA69790000-0x00007FFA697A0000-memory.dmp

memory/1332-40-0x00007FFA69790000-0x00007FFA697A0000-memory.dmp

memory/4556-8-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/4556-7-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/4556-6-0x00007FFAA9710000-0x00007FFAA9905000-memory.dmp

memory/4556-3-0x00007FFA69790000-0x00007FFA697A0000-memory.dmp

memory/4556-2-0x00007FFA69790000-0x00007FFA697A0000-memory.dmp

memory/4556-1-0x00007FFA69790000-0x00007FFA697A0000-memory.dmp

memory/4556-0-0x00007FFA69790000-0x00007FFA697A0000-memory.dmp

memory/640-64-0x0000021936240000-0x0000021936250000-memory.dmp

memory/640-82-0x000002193E860000-0x000002193E861000-memory.dmp

memory/640-87-0x000002193E860000-0x000002193E861000-memory.dmp

memory/640-89-0x000002193E860000-0x000002193E861000-memory.dmp

memory/640-90-0x000002193E860000-0x000002193E861000-memory.dmp

memory/640-88-0x000002193E860000-0x000002193E861000-memory.dmp

memory/640-86-0x000002193E860000-0x000002193E861000-memory.dmp

memory/640-91-0x000002193E480000-0x000002193E481000-memory.dmp

memory/640-97-0x000002193E470000-0x000002193E471000-memory.dmp

memory/640-94-0x000002193E480000-0x000002193E481000-memory.dmp

memory/640-92-0x000002193E470000-0x000002193E471000-memory.dmp

memory/640-85-0x000002193E860000-0x000002193E861000-memory.dmp

memory/640-84-0x000002193E860000-0x000002193E861000-memory.dmp

memory/640-83-0x000002193E860000-0x000002193E861000-memory.dmp

memory/640-81-0x000002193E860000-0x000002193E861000-memory.dmp

memory/640-80-0x000002193E830000-0x000002193E831000-memory.dmp

memory/640-48-0x0000021936140000-0x0000021936150000-memory.dmp