Malware Analysis Report

2025-03-15 07:24

Sample ID 241111-z55gcawkax
Target 984ec5d3b481b6b2c4c4f3073557ff746b316eedb53ddfcdd7ae0532f32fd9df
SHA256 984ec5d3b481b6b2c4c4f3073557ff746b316eedb53ddfcdd7ae0532f32fd9df
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

984ec5d3b481b6b2c4c4f3073557ff746b316eedb53ddfcdd7ae0532f32fd9df

Threat Level: Known bad

The file 984ec5d3b481b6b2c4c4f3073557ff746b316eedb53ddfcdd7ae0532f32fd9df 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 SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious use of FindShellTrayWindow

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 21:19

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 21:19

Reported

2024-11-11 21:21

Platform

win7-20240729-en

Max time kernel

61s

Max time network

121s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\984ec5d3b481b6b2c4c4f3073557ff746b316eedb53ddfcdd7ae0532f32fd9df.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\984ec5d3b481b6b2c4c4f3073557ff746b316eedb53ddfcdd7ae0532f32fd9df.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 www.microsoft.com udp
US 23.192.22.93:80 www.microsoft.com tcp
US 8.8.8.8:53 crl.microsoft.com udp
GB 2.19.117.18:80 crl.microsoft.com tcp

Files

memory/2236-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2236-1-0x000000007408D000-0x0000000074098000-memory.dmp

C:\Users\Admin\wn.ocx

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

memory/2236-24-0x000000007408D000-0x0000000074098000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 21:19

Reported

2024-11-11 21:21

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\984ec5d3b481b6b2c4c4f3073557ff746b316eedb53ddfcdd7ae0532f32fd9df.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 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:\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

Enumerates system info in registry

Description Indicator Process Target
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
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS 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\984ec5d3b481b6b2c4c4f3073557ff746b316eedb53ddfcdd7ae0532f32fd9df.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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
GB 52.109.28.47:443 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 142.250.187.227:80 c.pki.goog tcp
US 8.8.8.8:53 97.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 47.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 196.147.67.172.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 227.187.250.142.in-addr.arpa udp
US 8.8.8.8:53 123.10.44.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 72.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

memory/4788-2-0x00007FFF38010000-0x00007FFF38020000-memory.dmp

memory/4788-1-0x00007FFF7802D000-0x00007FFF7802E000-memory.dmp

memory/4788-5-0x00007FFF38010000-0x00007FFF38020000-memory.dmp

memory/4788-6-0x00007FFF77F90000-0x00007FFF78185000-memory.dmp

memory/4788-7-0x00007FFF77F90000-0x00007FFF78185000-memory.dmp

memory/4788-8-0x00007FFF77F90000-0x00007FFF78185000-memory.dmp

memory/4788-9-0x00007FFF77F90000-0x00007FFF78185000-memory.dmp

memory/4788-4-0x00007FFF38010000-0x00007FFF38020000-memory.dmp

memory/4788-0-0x00007FFF38010000-0x00007FFF38020000-memory.dmp

memory/4788-13-0x00007FFF77F90000-0x00007FFF78185000-memory.dmp

memory/4788-12-0x00007FFF77F90000-0x00007FFF78185000-memory.dmp

memory/4788-14-0x00007FFF35920000-0x00007FFF35930000-memory.dmp

memory/4788-11-0x00007FFF77F90000-0x00007FFF78185000-memory.dmp

memory/4788-10-0x00007FFF77F90000-0x00007FFF78185000-memory.dmp

memory/4788-3-0x00007FFF38010000-0x00007FFF38020000-memory.dmp

memory/4788-15-0x00007FFF35920000-0x00007FFF35930000-memory.dmp

memory/4788-18-0x00007FFF77F90000-0x00007FFF78185000-memory.dmp

memory/4788-17-0x00007FFF77F90000-0x00007FFF78185000-memory.dmp

memory/4788-19-0x00007FFF77F90000-0x00007FFF78185000-memory.dmp

memory/4788-16-0x00007FFF77F90000-0x00007FFF78185000-memory.dmp

C:\Users\Admin\wn.ocx

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

memory/4788-41-0x00007FFF77F90000-0x00007FFF78185000-memory.dmp

memory/4788-43-0x00007FFF77F90000-0x00007FFF78185000-memory.dmp

memory/4788-42-0x00007FFF7802D000-0x00007FFF7802E000-memory.dmp

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

MD5 bbbf357351b59c173971ba3058f27dc6
SHA1 c88839941cb1c17fc2de19f33b11c46690c92e03
SHA256 2c99c80ead3726adec74cf99b044a8fa460d2f6d92aae2b003ed6a4c9c2d77ae
SHA512 0567960212261f4fe855da0e4a4f9da359e4edb7336db31daf595d2c0679f032a2845aa8e8e33b90c36363e0f4fdad8ec11343363102b7766c33d9ba654c5afa