Analysis Overview
SHA256
3309ab5e059263d016805bdc874d005e7b31e7853f5c3cd6e76adea7fff778d3
Threat Level: Known bad
The file 3309ab5e059263d016805bdc874d005e7b31e7853f5c3cd6e76adea7fff778d3 was found to be: Known bad.
Malicious Activity Summary
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
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-11 21:05
Signatures
Suspicious Office macro
| 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
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
| 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 SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
Suspicious use of WriteProcessMemory
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
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 |
Suspicious use of SetWindowsHookEx
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
Suspicious use of WriteProcessMemory
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 |