Malware Analysis Report

2025-03-15 07:25

Sample ID 241111-zer4bswdjb
Target 8f8865f636f417ff03165f33192fd488f6fdf4433f2c993b4c6730e7ef792e4b
SHA256 8f8865f636f417ff03165f33192fd488f6fdf4433f2c993b4c6730e7ef792e4b
Tags
macro xlm discovery
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

8f8865f636f417ff03165f33192fd488f6fdf4433f2c993b4c6730e7ef792e4b

Threat Level: Known bad

The file 8f8865f636f417ff03165f33192fd488f6fdf4433f2c993b4c6730e7ef792e4b was found to be: Known bad.

Malicious Activity Summary

macro xlm discovery

Process spawned unexpected child process

Suspicious Office macro

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Checks processor information in registry

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 20:38

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 20:38

Reported

2024-11-11 20:40

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\8f8865f636f417ff03165f33192fd488f6fdf4433f2c993b4c6730e7ef792e4b.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\8f8865f636f417ff03165f33192fd488f6fdf4433f2c993b4c6730e7ef792e4b.xlsm

C:\Windows\SysWow64\regsvr32.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 henrysfreshroast.com udp
US 138.207.69.73:80 henrysfreshroast.com tcp
US 138.207.69.73:443 henrysfreshroast.com tcp
US 8.8.8.8:53 r10.o.lencr.org udp
GB 2.23.210.82:80 r10.o.lencr.org tcp
US 8.8.8.8:53 crl.microsoft.com udp
GB 2.19.117.18:80 crl.microsoft.com tcp

Files

memory/2876-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2876-1-0x000000007254D000-0x0000000072558000-memory.dmp

C:\Users\Admin\si.ocx

MD5 2fc1c11a3c2295b3194b1bf83b86982c
SHA1 8ae7381b0af50a07310f7ffbecfa780f7740305f
SHA256 4ac4fc0780ce238c703abf6b7193462805ecaed4e36cdc2b74a89af0e260cd6c
SHA512 58d05cc0e6f3e767156e50a4e082d86799463cf2f8f09df4d0c5e213ffed9db5e912d5f911d58454d2211a8c7c5d65216477f7bdcd9156e1f54f4f52919bb0b8

memory/2876-21-0x000000007254D000-0x0000000072558000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 20:38

Reported

2024-11-11 20:40

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

143s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\8f8865f636f417ff03165f33192fd488f6fdf4433f2c993b4c6730e7ef792e4b.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 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\8f8865f636f417ff03165f33192fd488f6fdf4433f2c993b4c6730e7ef792e4b.xlsm"

C:\Windows\SysWow64\regsvr32.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 henrysfreshroast.com udp
US 138.207.69.73:80 henrysfreshroast.com tcp
US 138.207.69.73:443 henrysfreshroast.com tcp
US 8.8.8.8:53 r10.o.lencr.org udp
US 8.8.8.8:53 73.69.207.138.in-addr.arpa udp
US 8.8.8.8:53 102.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 69.194.219.23.in-addr.arpa udp
GB 2.23.210.75:80 r10.o.lencr.org tcp
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 75.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 47.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 34.197.79.40.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 108.11.19.2.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/4980-1-0x00007FFFCC12D000-0x00007FFFCC12E000-memory.dmp

memory/4980-0-0x00007FFF8C110000-0x00007FFF8C120000-memory.dmp

memory/4980-3-0x00007FFF8C110000-0x00007FFF8C120000-memory.dmp

memory/4980-2-0x00007FFF8C110000-0x00007FFF8C120000-memory.dmp

memory/4980-5-0x00007FFF8C110000-0x00007FFF8C120000-memory.dmp

memory/4980-4-0x00007FFF8C110000-0x00007FFF8C120000-memory.dmp

memory/4980-9-0x00007FFFCC090000-0x00007FFFCC285000-memory.dmp

memory/4980-10-0x00007FFFCC090000-0x00007FFFCC285000-memory.dmp

memory/4980-11-0x00007FFFCC090000-0x00007FFFCC285000-memory.dmp

memory/4980-8-0x00007FFFCC090000-0x00007FFFCC285000-memory.dmp

memory/4980-12-0x00007FFF89D50000-0x00007FFF89D60000-memory.dmp

memory/4980-7-0x00007FFFCC090000-0x00007FFFCC285000-memory.dmp

memory/4980-14-0x00007FFFCC090000-0x00007FFFCC285000-memory.dmp

memory/4980-13-0x00007FFFCC090000-0x00007FFFCC285000-memory.dmp

memory/4980-6-0x00007FFFCC090000-0x00007FFFCC285000-memory.dmp

memory/4980-15-0x00007FFF89D50000-0x00007FFF89D60000-memory.dmp

memory/4980-16-0x00007FFFCC090000-0x00007FFFCC285000-memory.dmp

memory/4980-17-0x00007FFFCC090000-0x00007FFFCC285000-memory.dmp

memory/4980-19-0x00007FFFCC090000-0x00007FFFCC285000-memory.dmp

memory/4980-21-0x00007FFFCC090000-0x00007FFFCC285000-memory.dmp

memory/4980-20-0x00007FFFCC090000-0x00007FFFCC285000-memory.dmp

memory/4980-18-0x00007FFFCC090000-0x00007FFFCC285000-memory.dmp

C:\Users\Admin\si.ocx

MD5 2fc1c11a3c2295b3194b1bf83b86982c
SHA1 8ae7381b0af50a07310f7ffbecfa780f7740305f
SHA256 4ac4fc0780ce238c703abf6b7193462805ecaed4e36cdc2b74a89af0e260cd6c
SHA512 58d05cc0e6f3e767156e50a4e082d86799463cf2f8f09df4d0c5e213ffed9db5e912d5f911d58454d2211a8c7c5d65216477f7bdcd9156e1f54f4f52919bb0b8

memory/4980-45-0x00007FFFCC090000-0x00007FFFCC285000-memory.dmp

memory/4980-46-0x00007FFFCC12D000-0x00007FFFCC12E000-memory.dmp

memory/4980-47-0x00007FFFCC090000-0x00007FFFCC285000-memory.dmp

memory/4980-50-0x00007FFFCC090000-0x00007FFFCC285000-memory.dmp

memory/4980-51-0x00007FFFCC090000-0x00007FFFCC285000-memory.dmp

memory/4980-52-0x00007FFFCC090000-0x00007FFFCC285000-memory.dmp

memory/4980-49-0x00007FFFCC090000-0x00007FFFCC285000-memory.dmp

memory/4980-48-0x00007FFFCC090000-0x00007FFFCC285000-memory.dmp

memory/4980-53-0x00007FFFCC090000-0x00007FFFCC285000-memory.dmp

memory/4980-54-0x00007FFFCC090000-0x00007FFFCC285000-memory.dmp

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

MD5 01d24856a436aeccca42e62fb826cd83
SHA1 8598d72149f0c36caffdd9c708b763582e76d7aa
SHA256 e6eff7ca7e25805d692341e026a35d76d611b2b8950c926c05264cfce56b5618
SHA512 5b137945831436c6ada47dd29e4308f2d84cedb45c610ddf6e19c92fff294d77f4285d21d945f7e9c141697aa96b0324e1bcb1d6ebe7dd358162411a3a85f53e