Malware Analysis Report

2025-01-22 15:51

Sample ID 231222-bmp2yadec6
Target 4330206e56f9a115a0c7a618f323effd
SHA256 32642f981e8db409984b515edda29a3981a902e1399b251733ddcb3bfb219c2c
Tags
xlm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

32642f981e8db409984b515edda29a3981a902e1399b251733ddcb3bfb219c2c

Threat Level: Known bad

The file 4330206e56f9a115a0c7a618f323effd was found to be: Known bad.

Malicious Activity Summary

xlm

Process spawned unexpected child process

Process spawned suspicious child process

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-22 01:15

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-22 01:15

Reported

2023-12-23 03:32

Platform

win10v2004-20231215-en

Max time kernel

143s

Max time network

150s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\4330206e56f9a115a0c7a618f323effd.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:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\EXCEL.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
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\EXCEL.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\4330206e56f9a115a0c7a618f323effd.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 4072

C:\Windows\system32\dwwin.exe

C:\Windows\system32\dwwin.exe -x -s 4072

Network

Country Destination Domain Proto
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 138.91.171.81:80 tcp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 46.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.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 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa 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 8.8.8.8:53 209.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 13.173.189.20.in-addr.arpa udp

Files

memory/808-4-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

memory/808-6-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

memory/808-5-0x00007FF8DAE30000-0x00007FF8DAE40000-memory.dmp

memory/808-7-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

memory/808-3-0x00007FF8DAE30000-0x00007FF8DAE40000-memory.dmp

memory/808-8-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

memory/808-10-0x00007FF8D8BC0000-0x00007FF8D8BD0000-memory.dmp

memory/808-12-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

memory/808-13-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

memory/808-15-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

memory/808-17-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

memory/808-19-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

memory/808-18-0x00007FF8D8BC0000-0x00007FF8D8BD0000-memory.dmp

memory/808-22-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

memory/808-21-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

memory/808-20-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

memory/808-16-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

memory/808-14-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

memory/808-11-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

memory/808-9-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

memory/808-2-0x00007FF8DAE30000-0x00007FF8DAE40000-memory.dmp

memory/808-1-0x00007FF8DAE30000-0x00007FF8DAE40000-memory.dmp

memory/808-0-0x00007FF8DAE30000-0x00007FF8DAE40000-memory.dmp

memory/4812-31-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

memory/808-36-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

memory/4812-40-0x00007FF8DAE30000-0x00007FF8DAE40000-memory.dmp

memory/4812-44-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

memory/4812-43-0x00007FF91ADB0000-0x00007FF91AFA5000-memory.dmp

memory/4812-42-0x00007FF8DAE30000-0x00007FF8DAE40000-memory.dmp

memory/4812-41-0x00007FF8DAE30000-0x00007FF8DAE40000-memory.dmp

memory/4812-39-0x00007FF8DAE30000-0x00007FF8DAE40000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-22 01:15

Reported

2023-12-23 03:32

Platform

win7-20231129-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\4330206e56f9a115a0c7a618f323effd.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

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\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
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A 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\4330206e56f9a115a0c7a618f323effd.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 216.58.212.238:80 google.com tcp

Files

memory/2224-1-0x00000000720CD000-0x00000000720D8000-memory.dmp

memory/2224-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2224-2-0x00000000720CD000-0x00000000720D8000-memory.dmp

memory/2224-5-0x00000000720CD000-0x00000000720D8000-memory.dmp

memory/2224-4-0x000000005FFF0000-0x0000000060000000-memory.dmp