Malware Analysis Report

2025-01-22 15:57

Sample ID 231222-pynj5scdf6
Target 8c3f1a8e66ba145496d0eb11c5d51ca5
SHA256 ae1a73384724381e0f0c58a7761bba4cac031b3aea9247ec26695955fb6db7ef
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

ae1a73384724381e0f0c58a7761bba4cac031b3aea9247ec26695955fb6db7ef

Threat Level: Known bad

The file 8c3f1a8e66ba145496d0eb11c5d51ca5 was found to be: Known bad.

Malicious Activity Summary

xlm

Process spawned unexpected child process

Process spawned suspicious child process

Modifies Internet Explorer settings

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-22 12:44

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-22 12:44

Reported

2023-12-23 15:16

Platform

win7-20231215-en

Max time kernel

1s

Max time network

126s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\8c3f1a8e66ba145496d0eb11c5d51ca5.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-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\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-1-5-21-3308111660-3636268597-2291490419-1000\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-1-5-21-3308111660-3636268597-2291490419-1000\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\8c3f1a8e66ba145496d0eb11c5d51ca5.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/2456-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2456-1-0x0000000071F6D000-0x0000000071F78000-memory.dmp

memory/2456-2-0x0000000071F6D000-0x0000000071F78000-memory.dmp

memory/2456-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2456-5-0x0000000071F6D000-0x0000000071F78000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-22 12:44

Reported

2023-12-23 15:16

Platform

win10v2004-20231215-en

Max time kernel

2s

Max time network

152s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\8c3f1a8e66ba145496d0eb11c5d51ca5.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

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\8c3f1a8e66ba145496d0eb11c5d51ca5.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 3672

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 3672

Network

Country Destination Domain Proto
US 20.231.121.79:80 tcp
US 8.8.8.8:53 148.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.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 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 114.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 100.5.17.2.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.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
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
US 8.8.8.8:53 32.134.221.88.in-addr.arpa udp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
US 104.208.16.89:443 tcp
US 8.8.8.8:53 89.16.208.104.in-addr.arpa udp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp
GB 96.17.178.176:80 tcp

Files

memory/960-0-0x00007FF896A10000-0x00007FF896A20000-memory.dmp

memory/960-1-0x00007FF896A10000-0x00007FF896A20000-memory.dmp

memory/960-3-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/960-4-0x00007FF896A10000-0x00007FF896A20000-memory.dmp

memory/960-2-0x00007FF896A10000-0x00007FF896A20000-memory.dmp

memory/960-5-0x00007FF896A10000-0x00007FF896A20000-memory.dmp

memory/960-6-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/960-7-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/960-8-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/960-10-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/960-9-0x00007FF8940B0000-0x00007FF8940C0000-memory.dmp

memory/960-11-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/960-12-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/960-13-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/960-14-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/960-17-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/960-16-0x00007FF8940B0000-0x00007FF8940C0000-memory.dmp

memory/960-20-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/960-21-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/960-22-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/960-19-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/960-18-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/960-15-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/392-24-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/392-26-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/392-28-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/392-30-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/392-32-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/392-34-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/392-33-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/960-39-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/392-42-0x00007FF896A10000-0x00007FF896A20000-memory.dmp

memory/392-44-0x00007FF896A10000-0x00007FF896A20000-memory.dmp

memory/392-48-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/392-47-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/392-46-0x00007FF8D6990000-0x00007FF8D6B85000-memory.dmp

memory/392-45-0x00007FF896A10000-0x00007FF896A20000-memory.dmp

memory/392-43-0x00007FF896A10000-0x00007FF896A20000-memory.dmp