Malware Analysis Report

2025-03-15 07:25

Sample ID 241111-y961asvlcy
Target 1b971c17934aa587f293c6585b9abf213a39570145c73f4bac40760fc17569a7
SHA256 1b971c17934aa587f293c6585b9abf213a39570145c73f4bac40760fc17569a7
Tags
discovery macro 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

1b971c17934aa587f293c6585b9abf213a39570145c73f4bac40760fc17569a7

Threat Level: Known bad

The file 1b971c17934aa587f293c6585b9abf213a39570145c73f4bac40760fc17569a7 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

Checks processor information in registry

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 20:30

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 20:30

Reported

2024-11-11 20:32

Platform

win7-20240903-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\1b971c17934aa587f293c6585b9abf213a39570145c73f4bac40760fc17569a7.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\1b971c17934aa587f293c6585b9abf213a39570145c73f4bac40760fc17569a7.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/2116-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2116-1-0x000000007268D000-0x0000000072698000-memory.dmp

C:\Users\Admin\wn.ocx

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

memory/2116-22-0x000000007268D000-0x0000000072698000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 20:30

Reported

2024-11-11 20:32

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

135s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\1b971c17934aa587f293c6585b9abf213a39570145c73f4bac40760fc17569a7.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\1b971c17934aa587f293c6585b9abf213a39570145c73f4bac40760fc17569a7.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
IE 52.109.76.243:443 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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 243.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 230.28.21.104.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 2.17.178.52.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 73.208.201.84.in-addr.arpa udp
US 8.8.8.8:53 104.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/2992-0-0x00007FFC29530000-0x00007FFC29540000-memory.dmp

memory/2992-3-0x00007FFC6954D000-0x00007FFC6954E000-memory.dmp

memory/2992-5-0x00007FFC29530000-0x00007FFC29540000-memory.dmp

memory/2992-7-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

memory/2992-10-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

memory/2992-9-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

memory/2992-8-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

memory/2992-6-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

memory/2992-4-0x00007FFC29530000-0x00007FFC29540000-memory.dmp

memory/2992-2-0x00007FFC29530000-0x00007FFC29540000-memory.dmp

memory/2992-1-0x00007FFC29530000-0x00007FFC29540000-memory.dmp

memory/2992-13-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

memory/2992-15-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

memory/2992-14-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

memory/2992-16-0x00007FFC27230000-0x00007FFC27240000-memory.dmp

memory/2992-12-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

memory/2992-17-0x00007FFC27230000-0x00007FFC27240000-memory.dmp

memory/2992-11-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

memory/2992-18-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

C:\Users\Admin\wn.ocx

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

memory/2992-40-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp

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

MD5 40a8fccb1546f9dc005f60588a305c5e
SHA1 f055c44bf2777bc75914a1b4617d8fbf86f86ab8
SHA256 c9decd70a1f32bebc6c099a94ebc96af1d477d5b41888765dbc70a81f71a3738
SHA512 33ccf73cb8f6d66434efe7441c8c642074e0e598e1ff675ca7e551b5f7d41e7ee0d50a6be9dae241c4e397d51c3cd759a4eef0caf6be4f92781b8f4260d975e4