Malware Analysis Report

2025-01-22 16:12

Sample ID 241111-vydb3asepb
Target c9a5c29583e993b2c4eefa34e88da0e623398eb0585a7e6243876d1ed6fec39c
SHA256 c9a5c29583e993b2c4eefa34e88da0e623398eb0585a7e6243876d1ed6fec39c
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

c9a5c29583e993b2c4eefa34e88da0e623398eb0585a7e6243876d1ed6fec39c

Threat Level: Known bad

The file c9a5c29583e993b2c4eefa34e88da0e623398eb0585a7e6243876d1ed6fec39c 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 SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 17:23

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 17:23

Reported

2024-11-11 17:26

Platform

win7-20240903-en

Max time kernel

137s

Max time network

142s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\c9a5c29583e993b2c4eefa34e88da0e623398eb0585a7e6243876d1ed6fec39c.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:\Windows\SysWOW64\regsvr32.exe N/A
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

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 1144 wrote to memory of 2260 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 2260 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 2260 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 2260 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 2260 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 2260 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 2260 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 2752 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 2752 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 2752 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 2752 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 2752 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 2752 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 2752 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 1108 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 1108 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 1108 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 1108 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 1108 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 1108 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 1108 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 2192 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 2192 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 2192 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 2192 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 2192 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 2192 N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE C:\Windows\SysWOW64\regsvr32.exe
PID 1144 wrote to memory of 2192 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\c9a5c29583e993b2c4eefa34e88da0e623398eb0585a7e6243876d1ed6fec39c.xls

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx

C:\Windows\SysWOW64\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx

Network

Country Destination Domain Proto
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
US 8.8.8.8:53 ebuysa.co.za udp
ZA 41.76.213.195:80 ebuysa.co.za tcp
ZA 41.76.213.195:443 ebuysa.co.za tcp
US 8.8.8.8:53 r11.o.lencr.org udp
GB 2.23.210.82:80 r11.o.lencr.org tcp
US 8.8.8.8:53 3dstudioa.com.br udp
BR 189.45.192.54:80 3dstudioa.com.br tcp
US 8.8.8.8:53 boardmart.co.za udp
ZA 41.203.16.248:80 boardmart.co.za tcp
ZA 41.203.16.248:443 boardmart.co.za 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/1144-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1144-1-0x00000000724AD000-0x00000000724B8000-memory.dmp

memory/1144-19-0x00000000724AD000-0x00000000724B8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 17:23

Reported

2024-11-11 17:26

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

147s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\c9a5c29583e993b2c4eefa34e88da0e623398eb0585a7e6243876d1ed6fec39c.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\c9a5c29583e993b2c4eefa34e88da0e623398eb0585a7e6243876d1ed6fec39c.xls"

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\soci1.ocx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\soci2.ocx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\soci3.ocx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\soci4.ocx

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
FR 52.109.68.129:443 roaming.officeapps.live.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 97.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 129.68.109.52.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 154.95.125.202.in-addr.arpa udp
US 8.8.8.8:53 32.169.19.2.in-addr.arpa udp
US 8.8.8.8:53 ebuysa.co.za udp
ZA 41.76.213.195:80 ebuysa.co.za tcp
ZA 41.76.213.195:443 ebuysa.co.za tcp
US 8.8.8.8:53 r11.o.lencr.org udp
GB 2.23.210.82:80 r11.o.lencr.org tcp
US 8.8.8.8:53 195.213.76.41.in-addr.arpa udp
US 8.8.8.8:53 82.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 3dstudioa.com.br udp
BR 189.45.192.54:80 3dstudioa.com.br tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 54.192.45.189.in-addr.arpa udp
US 8.8.8.8:53 boardmart.co.za udp
ZA 41.203.16.248:80 boardmart.co.za tcp
ZA 41.203.16.248:443 boardmart.co.za tcp
US 8.8.8.8:53 r10.o.lencr.org udp
GB 2.23.210.75:80 r10.o.lencr.org tcp
US 8.8.8.8:53 248.16.203.41.in-addr.arpa udp
US 8.8.8.8:53 27.73.42.20.in-addr.arpa udp
US 8.8.8.8:53 75.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp

Files

memory/3820-1-0x00007FFDD5430000-0x00007FFDD5440000-memory.dmp

memory/3820-3-0x00007FFE1544D000-0x00007FFE1544E000-memory.dmp

memory/3820-0-0x00007FFDD5430000-0x00007FFDD5440000-memory.dmp

memory/3820-2-0x00007FFDD5430000-0x00007FFDD5440000-memory.dmp

memory/3820-6-0x00007FFE153B0000-0x00007FFE155A5000-memory.dmp

memory/3820-10-0x00007FFE153B0000-0x00007FFE155A5000-memory.dmp

memory/3820-9-0x00007FFE153B0000-0x00007FFE155A5000-memory.dmp

memory/3820-8-0x00007FFE153B0000-0x00007FFE155A5000-memory.dmp

memory/3820-14-0x00007FFE153B0000-0x00007FFE155A5000-memory.dmp

memory/3820-13-0x00007FFE153B0000-0x00007FFE155A5000-memory.dmp

memory/3820-15-0x00007FFDD2C20000-0x00007FFDD2C30000-memory.dmp

memory/3820-12-0x00007FFE153B0000-0x00007FFE155A5000-memory.dmp

memory/3820-16-0x00007FFE153B0000-0x00007FFE155A5000-memory.dmp

memory/3820-11-0x00007FFE153B0000-0x00007FFE155A5000-memory.dmp

memory/3820-17-0x00007FFDD2C20000-0x00007FFDD2C30000-memory.dmp

memory/3820-7-0x00007FFDD5430000-0x00007FFDD5440000-memory.dmp

memory/3820-19-0x00007FFE153B0000-0x00007FFE155A5000-memory.dmp

memory/3820-22-0x00007FFE153B0000-0x00007FFE155A5000-memory.dmp

memory/3820-21-0x00007FFE153B0000-0x00007FFE155A5000-memory.dmp

memory/3820-20-0x00007FFE153B0000-0x00007FFE155A5000-memory.dmp

memory/3820-18-0x00007FFE153B0000-0x00007FFE155A5000-memory.dmp

memory/3820-5-0x00007FFE153B0000-0x00007FFE155A5000-memory.dmp

memory/3820-4-0x00007FFDD5430000-0x00007FFDD5440000-memory.dmp

memory/3820-39-0x00007FFE153B0000-0x00007FFE155A5000-memory.dmp

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

MD5 88457d2d872b4157c2d07ed655c5d6e7
SHA1 1e067c801f308de0fa7e124abfc0d859631b196a
SHA256 95340ccf42444bebd6bf097ed2caa72550d57e7fec7c9b81c2b9ba940c244982
SHA512 6b1777314d13609389170b28812783639d683c322d0142b4b505874d399ea091700137175652317a2cbc711d8e3e521cf29b66ab38f4d004910ffc68afb3d0aa