Analysis Overview
SHA256
ef2ce641a4e9f270eea626e8e4800b0b97b4a436c40e7af30aeb6f02566b809c
Threat Level: Known bad
The file Payment Status.xls was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Suspicious Office macro
System Location Discovery: System Language Discovery
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-05 13:09
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-05 13:09
Reported
2024-09-05 13:12
Platform
win7-20240708-en
Max time kernel
60s
Max time network
62s
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 FindShellTrayWindow
| 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 |
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\Payment Status.xls"
C:\Windows\SysWOW64\regsvr32.exe
C:\Windows\System32\regsvr32.exe ..\oxnv1.ooccxx
C:\Windows\SysWOW64\regsvr32.exe
C:\Windows\System32\regsvr32.exe ..\oxnv2.ooccxx
C:\Windows\SysWOW64\regsvr32.exe
C:\Windows\System32\regsvr32.exe ..\oxnv3.ooccxx
C:\Windows\SysWOW64\regsvr32.exe
C:\Windows\System32\regsvr32.exe ..\oxnv4.ooccxx
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | audioselec.com | udp |
| CR | 190.171.124.51:443 | audioselec.com | tcp |
| US | 8.8.8.8:53 | r11.o.lencr.org | udp |
| GB | 2.18.190.74:80 | r11.o.lencr.org | tcp |
| US | 8.8.8.8:53 | geringer-muehle.de | udp |
| DE | 85.13.153.253:443 | geringer-muehle.de | tcp |
| DE | 85.13.153.253:443 | geringer-muehle.de | tcp |
| DE | 85.13.153.253:443 | geringer-muehle.de | tcp |
| DE | 85.13.153.253:443 | geringer-muehle.de | tcp |
| US | 8.8.8.8:53 | intolove.co.uk | udp |
| US | 8.8.8.8:53 | isc.net.ua | udp |
| UA | 185.156.41.6:80 | isc.net.ua | tcp |
| US | 8.8.8.8:53 | crl.microsoft.com | udp |
| GB | 2.18.190.73:80 | crl.microsoft.com | tcp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| GB | 95.100.245.144:80 | www.microsoft.com | tcp |
Files
memory/2300-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/2300-1-0x0000000073BCD000-0x0000000073BD8000-memory.dmp
memory/2300-17-0x0000000073BCD000-0x0000000073BD8000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-05 13:09
Reported
2024-09-05 13:12
Platform
win10v2004-20240802-en
Max time kernel
133s
Max time network
124s
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 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 |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily | 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
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\Payment Status.xls"
C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe ..\oxnv1.ooccxx
C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe ..\oxnv2.ooccxx
C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe ..\oxnv3.ooccxx
C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe ..\oxnv4.ooccxx
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 | 104.219.191.52.in-addr.arpa | udp |
| GB | 52.109.28.47:443 | roaming.officeapps.live.com | tcp |
| US | 8.8.8.8:53 | audioselec.com | udp |
| CR | 190.171.124.51:443 | audioselec.com | tcp |
| US | 8.8.8.8:53 | r11.o.lencr.org | udp |
| GB | 2.18.190.73:80 | r11.o.lencr.org | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| 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 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 51.124.171.190.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 168.245.100.95.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | geringer-muehle.de | udp |
| DE | 85.13.153.253:443 | geringer-muehle.de | tcp |
| US | 8.8.8.8:53 | 253.153.13.85.in-addr.arpa | udp |
| US | 8.8.8.8:53 | intolove.co.uk | udp |
| US | 8.8.8.8:53 | isc.net.ua | udp |
| UA | 185.156.41.6:80 | isc.net.ua | tcp |
| US | 8.8.8.8:53 | 6.41.156.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.112.168.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
Files
memory/3240-0-0x00007FFEA1B90000-0x00007FFEA1BA0000-memory.dmp
memory/3240-4-0x00007FFEA1B90000-0x00007FFEA1BA0000-memory.dmp
memory/3240-3-0x00007FFEE1BAD000-0x00007FFEE1BAE000-memory.dmp
memory/3240-2-0x00007FFEA1B90000-0x00007FFEA1BA0000-memory.dmp
memory/3240-1-0x00007FFEA1B90000-0x00007FFEA1BA0000-memory.dmp
memory/3240-8-0x00007FFEE1B10000-0x00007FFEE1D05000-memory.dmp
memory/3240-7-0x00007FFEE1B10000-0x00007FFEE1D05000-memory.dmp
memory/3240-6-0x00007FFEE1B10000-0x00007FFEE1D05000-memory.dmp
memory/3240-5-0x00007FFEA1B90000-0x00007FFEA1BA0000-memory.dmp
memory/3240-10-0x00007FFEE1B10000-0x00007FFEE1D05000-memory.dmp
memory/3240-12-0x00007FFEE1B10000-0x00007FFEE1D05000-memory.dmp
memory/3240-11-0x00007FFEE1B10000-0x00007FFEE1D05000-memory.dmp
memory/3240-13-0x00007FFE9F2E0000-0x00007FFE9F2F0000-memory.dmp
memory/3240-9-0x00007FFEE1B10000-0x00007FFEE1D05000-memory.dmp
memory/3240-16-0x00007FFEE1B10000-0x00007FFEE1D05000-memory.dmp
memory/3240-15-0x00007FFEE1B10000-0x00007FFEE1D05000-memory.dmp
memory/3240-19-0x00007FFEE1B10000-0x00007FFEE1D05000-memory.dmp
memory/3240-18-0x00007FFEE1B10000-0x00007FFEE1D05000-memory.dmp
memory/3240-17-0x00007FFEE1B10000-0x00007FFEE1D05000-memory.dmp
memory/3240-14-0x00007FFE9F2E0000-0x00007FFE9F2F0000-memory.dmp
memory/3240-38-0x00007FFEE1B10000-0x00007FFEE1D05000-memory.dmp
memory/3240-39-0x00007FFEE1B10000-0x00007FFEE1D05000-memory.dmp