Malware Analysis Report

2025-01-22 15:48

Sample ID 231226-e33vhsdfhj
Target 542b0826c597fcd924219c0bf238820a
SHA256 57b15e46a4ec8b1eb2ac2c08d545849f95687777b5d9d8f1efb6cb77cbcf3db3
Tags
macro xlm
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

57b15e46a4ec8b1eb2ac2c08d545849f95687777b5d9d8f1efb6cb77cbcf3db3

Threat Level: Likely malicious

The file 542b0826c597fcd924219c0bf238820a was found to be: Likely malicious.

Malicious Activity Summary

macro xlm

Suspicious Office macro

Process spawned suspicious child process

Suspicious use of SetWindowsHookEx

Modifies Internet Explorer settings

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-26 04:28

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-26 04:28

Reported

2023-12-27 07:58

Platform

win7-20231215-en

Max time kernel

2s

Max time network

129s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\ǿ겡.xls

Signatures

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\ǿ겡.xls

Network

N/A

Files

memory/2844-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2844-1-0x000000007247D000-0x0000000072488000-memory.dmp

memory/2844-3-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-6-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-25-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-28-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-30-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-29-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-32-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-27-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-26-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-24-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-55-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-23-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-22-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-79-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-21-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-20-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-19-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-18-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-17-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-105-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-103-0x000000007247D000-0x0000000072488000-memory.dmp

memory/2844-16-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-126-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-15-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-14-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-13-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-157-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-12-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-11-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-10-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-9-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-8-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-7-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-5-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-4-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-2-0x0000000000650000-0x0000000000750000-memory.dmp

memory/2844-158-0x0000000000650000-0x0000000000750000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-26 04:28

Reported

2023-12-27 07:58

Platform

win10v2004-20231215-en

Max time kernel

3s

Max time network

125s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\ǿ겡.xls"

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

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

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\ǿ겡.xls"

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 4620

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4620

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
GB 88.221.134.18:80 tcp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.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 8.8.8.8:53 udp
US 138.91.171.81:80 tcp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
GB 87.248.204.0:80 tcp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp

Files

memory/1084-0-0x00007FFF83430000-0x00007FFF83440000-memory.dmp

memory/1084-3-0x00007FFF83430000-0x00007FFF83440000-memory.dmp

memory/1084-6-0x00007FFF83430000-0x00007FFF83440000-memory.dmp

memory/1084-9-0x00007FFFC33B0000-0x00007FFFC35A5000-memory.dmp

memory/1084-11-0x00007FFFC33B0000-0x00007FFFC35A5000-memory.dmp

memory/1084-13-0x00007FFFC33B0000-0x00007FFFC35A5000-memory.dmp

memory/1084-16-0x00007FFFC33B0000-0x00007FFFC35A5000-memory.dmp

memory/1084-17-0x00007FFFC33B0000-0x00007FFFC35A5000-memory.dmp

memory/1084-20-0x00007FFFC33B0000-0x00007FFFC35A5000-memory.dmp

memory/1084-22-0x00007FFFC33B0000-0x00007FFFC35A5000-memory.dmp

memory/1084-23-0x00007FFFC33B0000-0x00007FFFC35A5000-memory.dmp

memory/1084-21-0x00007FFF80BD0000-0x00007FFF80BE0000-memory.dmp

memory/1084-19-0x00007FFFC33B0000-0x00007FFFC35A5000-memory.dmp

memory/1084-18-0x00007FFFC33B0000-0x00007FFFC35A5000-memory.dmp

memory/1084-14-0x00007FFF80BD0000-0x00007FFF80BE0000-memory.dmp

memory/1084-15-0x00007FFFC33B0000-0x00007FFFC35A5000-memory.dmp

memory/1084-12-0x00007FFFC33B0000-0x00007FFFC35A5000-memory.dmp

memory/1084-10-0x00007FFFC33B0000-0x00007FFFC35A5000-memory.dmp

memory/1084-8-0x00007FFF83430000-0x00007FFF83440000-memory.dmp

memory/1084-7-0x00007FFFC33B0000-0x00007FFFC35A5000-memory.dmp

memory/1084-5-0x00007FFFC33B0000-0x00007FFFC35A5000-memory.dmp

memory/1084-4-0x00007FFFC33B0000-0x00007FFFC35A5000-memory.dmp

memory/1084-2-0x00007FFFC33B0000-0x00007FFFC35A5000-memory.dmp

memory/1084-1-0x00007FFF83430000-0x00007FFF83440000-memory.dmp

memory/1084-31-0x00000258271F0000-0x00000258279F0000-memory.dmp

memory/1084-38-0x00000258271F0000-0x00000258279F0000-memory.dmp

memory/1084-39-0x00000258271F0000-0x00000258279F0000-memory.dmp

memory/1084-46-0x00000258271F0000-0x00000258279F0000-memory.dmp

memory/1084-50-0x000002582C580000-0x000002582D550000-memory.dmp

memory/1084-55-0x00000258271F0000-0x00000258279F0000-memory.dmp

memory/1300-63-0x00007FFFC33B0000-0x00007FFFC35A5000-memory.dmp

memory/1300-62-0x00007FFFC33B0000-0x00007FFFC35A5000-memory.dmp

memory/1084-60-0x000002582C580000-0x000002582D550000-memory.dmp

memory/1084-64-0x00007FFFC33B0000-0x00007FFFC35A5000-memory.dmp

memory/1084-65-0x00000258271F0000-0x00000258279F0000-memory.dmp

memory/1084-66-0x00000258271F0000-0x00000258279F0000-memory.dmp

memory/1084-67-0x00000258271F0000-0x00000258279F0000-memory.dmp

memory/1300-77-0x00007FFF83430000-0x00007FFF83440000-memory.dmp

memory/1300-80-0x00007FFFC33B0000-0x00007FFFC35A5000-memory.dmp

memory/1084-81-0x00000258271F0000-0x00000258279F0000-memory.dmp

memory/1300-79-0x00007FFF83430000-0x00007FFF83440000-memory.dmp

memory/1300-78-0x00007FFF83430000-0x00007FFF83440000-memory.dmp

memory/1300-76-0x00007FFF83430000-0x00007FFF83440000-memory.dmp

memory/1084-82-0x00007FFFC33B0000-0x00007FFFC35A5000-memory.dmp