Malware Analysis Report

2025-03-15 07:23

Sample ID 241111-zzyrlszlgn
Target 22d07f3894841719dd063c9434ee9f3c51bfa8e864dadaef44bded9848b9463b
SHA256 22d07f3894841719dd063c9434ee9f3c51bfa8e864dadaef44bded9848b9463b
Tags
discovery macro 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

22d07f3894841719dd063c9434ee9f3c51bfa8e864dadaef44bded9848b9463b

Threat Level: Known bad

The file 22d07f3894841719dd063c9434ee9f3c51bfa8e864dadaef44bded9848b9463b was found to be: Known bad.

Malicious Activity Summary

discovery macro xlm

Process spawned unexpected child process

Suspicious Office macro

System Location Discovery: System Language Discovery

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 21:09

Signatures

Suspicious Office macro

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 21:09

Reported

2024-11-11 21:12

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

150s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\22d07f3894841719dd063c9434ee9f3c51bfa8e864dadaef44bded9848b9463b.xlsm"

Signatures

Process spawned unexpected 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:\Windows\SysWow64\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWow64\regsvr32.exe N/A

Checks processor information in registry

Description Indicator Process Target
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

Enumerates system info in registry

Description Indicator Process Target
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
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\22d07f3894841719dd063c9434ee9f3c51bfa8e864dadaef44bded9848b9463b.xlsm"

C:\Windows\SysWow64\regsvr32.exe

C:\Windows\SysWow64\regsvr32.exe -s ..\wn.ocx

Network

Country Destination Domain Proto
US 8.8.8.8:53 106.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
FR 52.109.68.129:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 www.ajaxmatters.com udp
US 104.21.28.230:80 www.ajaxmatters.com tcp
US 104.21.28.230:443 www.ajaxmatters.com tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.187.227:80 c.pki.goog tcp
US 8.8.8.8:53 129.68.109.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 227.187.250.142.in-addr.arpa udp
US 8.8.8.8:53 230.28.21.104.in-addr.arpa udp
US 8.8.8.8:53 34.197.79.40.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 71.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/3452-1-0x00007FFA1DA0D000-0x00007FFA1DA0E000-memory.dmp

memory/3452-0-0x00007FF9DD9F0000-0x00007FF9DDA00000-memory.dmp

memory/3452-4-0x00007FF9DD9F0000-0x00007FF9DDA00000-memory.dmp

memory/3452-3-0x00007FF9DD9F0000-0x00007FF9DDA00000-memory.dmp

memory/3452-2-0x00007FF9DD9F0000-0x00007FF9DDA00000-memory.dmp

memory/3452-7-0x00007FFA1D970000-0x00007FFA1DB65000-memory.dmp

memory/3452-5-0x00007FF9DD9F0000-0x00007FF9DDA00000-memory.dmp

memory/3452-10-0x00007FFA1D970000-0x00007FFA1DB65000-memory.dmp

memory/3452-9-0x00007FFA1D970000-0x00007FFA1DB65000-memory.dmp

memory/3452-11-0x00007FF9DB5E0000-0x00007FF9DB5F0000-memory.dmp

memory/3452-8-0x00007FFA1D970000-0x00007FFA1DB65000-memory.dmp

memory/3452-12-0x00007FF9DB5E0000-0x00007FF9DB5F0000-memory.dmp

memory/3452-6-0x00007FFA1D970000-0x00007FFA1DB65000-memory.dmp

memory/3452-15-0x00007FFA1D970000-0x00007FFA1DB65000-memory.dmp

memory/3452-17-0x00007FFA1D970000-0x00007FFA1DB65000-memory.dmp

memory/3452-18-0x00007FFA1D970000-0x00007FFA1DB65000-memory.dmp

memory/3452-21-0x00007FFA1D970000-0x00007FFA1DB65000-memory.dmp

memory/3452-22-0x00007FFA1D970000-0x00007FFA1DB65000-memory.dmp

memory/3452-20-0x00007FFA1D970000-0x00007FFA1DB65000-memory.dmp

memory/3452-19-0x00007FFA1D970000-0x00007FFA1DB65000-memory.dmp

memory/3452-16-0x00007FFA1D970000-0x00007FFA1DB65000-memory.dmp

memory/3452-14-0x00007FFA1D970000-0x00007FFA1DB65000-memory.dmp

memory/3452-13-0x00007FFA1D970000-0x00007FFA1DB65000-memory.dmp

C:\Users\Admin\wn.ocx

MD5 4ed8ca5542b641fddd200acebadf4e3c
SHA1 41fd7fb6cb84805fbc229cbf13620f80a5008003
SHA256 3f03ee986c82c3be72da6272448f92d97426f53e07079334edeb502f6386cc33
SHA512 866719609b7200cdd4d97b6a83d7fb6424d3900b555e23d2db8744539b1ae204c0da0a5e595c676ee4cad7df3f743aad1e746c750cd30afe3a74d89bf188979a

memory/3452-44-0x00007FFA1D970000-0x00007FFA1DB65000-memory.dmp

memory/3452-45-0x00007FFA1DA0D000-0x00007FFA1DA0E000-memory.dmp

memory/3452-46-0x00007FFA1D970000-0x00007FFA1DB65000-memory.dmp

memory/3452-47-0x00007FFA1D970000-0x00007FFA1DB65000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

MD5 09a55b6a129bdf7fb0942ecb3bfac6e8
SHA1 30f24fa71dcac53b3ec9021654cdc36b50c5fae5
SHA256 12ab896ed0b06b17704f93f951ebcdd008512fa4368e45b116f43365852a7851
SHA512 cedccb79265ae6d6793540c1cfbeef62918e90eaef2fc99a3aebd73fe7de0e23de9f1edb882ed1a51bb051e43b90c6b48edb279d3a98f42349825c7431bb7b49

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 21:09

Reported

2024-11-11 21:12

Platform

win7-20240903-en

Max time kernel

119s

Max time network

121s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\22d07f3894841719dd063c9434ee9f3c51bfa8e864dadaef44bded9848b9463b.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\regsvr32.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWow64\regsvr32.exe N/A

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

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\22d07f3894841719dd063c9434ee9f3c51bfa8e864dadaef44bded9848b9463b.xlsm

C:\Windows\SysWow64\regsvr32.exe

C:\Windows\SysWow64\regsvr32.exe -s ..\wn.ocx

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.ajaxmatters.com udp
US 104.21.28.230:80 www.ajaxmatters.com tcp
US 104.21.28.230:443 www.ajaxmatters.com tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.187.227:80 c.pki.goog tcp
US 8.8.8.8:53 crl.microsoft.com udp
GB 2.19.117.22:80 crl.microsoft.com tcp

Files

memory/2788-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2788-1-0x00000000722DD000-0x00000000722E8000-memory.dmp

C:\Users\Admin\wn.ocx

MD5 4ed8ca5542b641fddd200acebadf4e3c
SHA1 41fd7fb6cb84805fbc229cbf13620f80a5008003
SHA256 3f03ee986c82c3be72da6272448f92d97426f53e07079334edeb502f6386cc33
SHA512 866719609b7200cdd4d97b6a83d7fb6424d3900b555e23d2db8744539b1ae204c0da0a5e595c676ee4cad7df3f743aad1e746c750cd30afe3a74d89bf188979a

memory/2788-24-0x00000000722DD000-0x00000000722E8000-memory.dmp