Malware Analysis Report

2025-03-15 07:22

Sample ID 241111-zcme3avlhw
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: 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

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

Suspicious use of WriteProcessMemory

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 20:34

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 20:34

Reported

2024-11-11 20:36

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

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 18.89.109.52.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 172.67.147.196:80 www.ajaxmatters.com tcp
US 172.67.147.196:443 www.ajaxmatters.com tcp
US 8.8.8.8:53 c.pki.goog udp
GB 142.250.187.195:80 c.pki.goog tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 243.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.147.67.172.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 195.187.250.142.in-addr.arpa udp
US 8.8.8.8:53 13.179.89.13.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 82.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

memory/4568-1-0x00007FFBA05ED000-0x00007FFBA05EE000-memory.dmp

memory/4568-0-0x00007FFB605D0000-0x00007FFB605E0000-memory.dmp

memory/4568-2-0x00007FFB605D0000-0x00007FFB605E0000-memory.dmp

memory/4568-3-0x00007FFB605D0000-0x00007FFB605E0000-memory.dmp

memory/4568-4-0x00007FFB605D0000-0x00007FFB605E0000-memory.dmp

memory/4568-6-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

memory/4568-8-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

memory/4568-7-0x00007FFB605D0000-0x00007FFB605E0000-memory.dmp

memory/4568-5-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

memory/4568-9-0x00007FFB5DC70000-0x00007FFB5DC80000-memory.dmp

memory/4568-11-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

memory/4568-14-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

memory/4568-15-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

memory/4568-16-0x00007FFB5DC70000-0x00007FFB5DC80000-memory.dmp

memory/4568-13-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

memory/4568-12-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

memory/4568-10-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

memory/4568-19-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

memory/4568-18-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

memory/4568-17-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

C:\Users\Admin\wn.ocx

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

memory/4568-43-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

memory/4568-44-0x00007FFBA05ED000-0x00007FFBA05EE000-memory.dmp

memory/4568-45-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

memory/4568-46-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp

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

MD5 b9f2a9773ccc0e3325b3d93f2442ba87
SHA1 2eed8bf28d3a438ffe0e2e0bef6fb7014f0228e0
SHA256 d99cdeaa5d5f6e2af1b7dad8d3475222894680b18e85395ec0b71b5b72d4bf9f
SHA512 0bf6829dc26c8e7af26c60730b14aed862d8e1945fa917752459c15fcefc7f8f6c89c92f19d9dd8cfe583e77448e2b71787e9973e81d4169154e63666dd20312

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 20:34

Reported

2024-11-11 20:36

Platform

win7-20240903-en

Max time kernel

122s

Max time network

123s

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 172.67.147.196:80 www.ajaxmatters.com tcp
US 172.67.147.196:443 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/276-1-0x000000007227D000-0x0000000072288000-memory.dmp

memory/276-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

C:\Users\Admin\wn.ocx

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

memory/276-22-0x000000007227D000-0x0000000072288000-memory.dmp