Malware Analysis Report

2025-03-15 07:23

Sample ID 241111-zxmasswhjd
Target 3309ab5e059263d016805bdc874d005e7b31e7853f5c3cd6e76adea7fff778d3
SHA256 3309ab5e059263d016805bdc874d005e7b31e7853f5c3cd6e76adea7fff778d3
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

3309ab5e059263d016805bdc874d005e7b31e7853f5c3cd6e76adea7fff778d3

Threat Level: Known bad

The file 3309ab5e059263d016805bdc874d005e7b31e7853f5c3cd6e76adea7fff778d3 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

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 21:05

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 21:05

Reported

2024-11-11 21:08

Platform

win7-20240708-en

Max time kernel

136s

Max time network

140s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\3309ab5e059263d016805bdc874d005e7b31e7853f5c3cd6e76adea7fff778d3.xls

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
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
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
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
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2184 wrote to memory of 2848 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2848 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2848 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2848 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2848 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2848 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2848 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2580 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2580 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2580 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2580 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2580 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2580 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2580 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2600 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2600 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2600 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2600 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2600 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2600 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2600 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2692 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2692 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2692 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2692 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2692 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2692 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 2184 wrote to memory of 2692 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe

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\3309ab5e059263d016805bdc874d005e7b31e7853f5c3cd6e76adea7fff778d3.xls

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\hhwe1.ocx

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\hhwe2.ocx

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\hhwe3.ocx

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\hhwe4.ocx

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.careofu.com udp
TW 175.98.167.158:443 www.careofu.com tcp
TW 175.98.167.158:443 www.careofu.com tcp
TW 175.98.167.158:443 www.careofu.com tcp
TW 175.98.167.158:443 www.careofu.com tcp
US 8.8.8.8:53 cedeco.es udp
ES 217.76.130.178:443 cedeco.es tcp
US 8.8.8.8:53 balticcontrolbd.com udp
US 216.219.81.50:80 balticcontrolbd.com tcp
US 8.8.8.8:53 fikti.bem.gunadarma.ac.id udp
ID 202.125.95.154:443 fikti.bem.gunadarma.ac.id tcp
ID 202.125.95.154:443 fikti.bem.gunadarma.ac.id tcp
ID 202.125.95.154:443 fikti.bem.gunadarma.ac.id tcp
ID 202.125.95.154:443 fikti.bem.gunadarma.ac.id tcp

Files

memory/2184-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2184-1-0x0000000072B1D000-0x0000000072B28000-memory.dmp

memory/2184-2-0x0000000072B1D000-0x0000000072B28000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 21:05

Reported

2024-11-11 21:08

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

148s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\3309ab5e059263d016805bdc874d005e7b31e7853f5c3cd6e76adea7fff778d3.xls"

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\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

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\3309ab5e059263d016805bdc874d005e7b31e7853f5c3cd6e76adea7fff778d3.xls"

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\hhwe1.ocx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\hhwe2.ocx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\hhwe3.ocx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\hhwe4.ocx

Network

Country Destination Domain Proto
US 8.8.8.8:53 roaming.officeapps.live.com udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 97.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
GB 52.109.28.47:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 www.careofu.com udp
TW 175.98.167.158:443 www.careofu.com tcp
US 8.8.8.8:53 47.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 r10.o.lencr.org udp
GB 2.23.210.75:80 r10.o.lencr.org tcp
US 8.8.8.8:53 158.167.98.175.in-addr.arpa udp
US 8.8.8.8:53 32.169.19.2.in-addr.arpa udp
US 8.8.8.8:53 75.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 cedeco.es udp
ES 217.76.130.178:443 cedeco.es tcp
US 8.8.8.8:53 25.173.189.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 balticcontrolbd.com udp
US 216.219.81.50:80 balticcontrolbd.com tcp
US 8.8.8.8:53 fikti.bem.gunadarma.ac.id udp
ID 202.125.95.154:443 fikti.bem.gunadarma.ac.id tcp
US 8.8.8.8:53 50.81.219.216.in-addr.arpa udp
US 8.8.8.8:53 154.95.125.202.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 8.8.8.8:53 107.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/1032-0-0x00007FFB77EB0000-0x00007FFB77EC0000-memory.dmp

memory/1032-4-0x00007FFB77EB0000-0x00007FFB77EC0000-memory.dmp

memory/1032-3-0x00007FFB77EB0000-0x00007FFB77EC0000-memory.dmp

memory/1032-2-0x00007FFB77EB0000-0x00007FFB77EC0000-memory.dmp

memory/1032-1-0x00007FFBB7ECD000-0x00007FFBB7ECE000-memory.dmp

memory/1032-5-0x00007FFB77EB0000-0x00007FFB77EC0000-memory.dmp

memory/1032-8-0x00007FFBB7E30000-0x00007FFBB8025000-memory.dmp

memory/1032-9-0x00007FFBB7E30000-0x00007FFBB8025000-memory.dmp

memory/1032-12-0x00007FFBB7E30000-0x00007FFBB8025000-memory.dmp

memory/1032-11-0x00007FFBB7E30000-0x00007FFBB8025000-memory.dmp

memory/1032-10-0x00007FFBB7E30000-0x00007FFBB8025000-memory.dmp

memory/1032-13-0x00007FFB75B80000-0x00007FFB75B90000-memory.dmp

memory/1032-7-0x00007FFBB7E30000-0x00007FFBB8025000-memory.dmp

memory/1032-6-0x00007FFBB7E30000-0x00007FFBB8025000-memory.dmp

memory/1032-14-0x00007FFB75B80000-0x00007FFB75B90000-memory.dmp

memory/1032-30-0x00007FFBB7ECD000-0x00007FFBB7ECE000-memory.dmp

memory/1032-31-0x00007FFBB7E30000-0x00007FFBB8025000-memory.dmp

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

MD5 1af11a936165a6865da60e07d92d5118
SHA1 560a2ad12298012ef3d26bbe0a24c9b6e3650c8d
SHA256 dd4f94e8fbadcd8a38347ffb5674fa6b8b7245150a3da0c22dfcfd56ac77bfa5
SHA512 4037399664ca93e3647a1774210b98dc38c597fb78f43e33a5a6aaceb258021a7310d58d23d5427789323ce11dfc2d79db00434511904965c331e0e50b926069