Analysis Overview
SHA256
1df21784d6eefa3a65dd50c54db3f1e18b4e183b1d4ab60293b96e1e0e1517da
Threat Level: Known bad
The file 1df21784d6eefa3a65dd50c54db3f1e18b4e183b1d4ab60293b96e1e0e1517da 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 use of SetWindowsHookEx
Suspicious use of FindShellTrayWindow
Suspicious behavior: AddClipboardFormatListener
Suspicious use of WriteProcessMemory
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-04 21:08
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-04 21:08
Reported
2024-09-04 21:09
Platform
win7-20240729-en
Max time kernel
16s
Max time network
16s
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 |
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 |
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
| Description | Indicator | Process | Target |
| PID 2136 wrote to memory of 2888 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2136 wrote to memory of 2888 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2136 wrote to memory of 2888 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2136 wrote to memory of 2888 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2136 wrote to memory of 2888 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2136 wrote to memory of 2888 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\regsvr32.exe |
| PID 2136 wrote to memory of 2888 | 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\1df21784d6eefa3a65dd50c54db3f1e18b4e183b1d4ab60293b96e1e0e1517da.xls
C:\Windows\SysWOW64\regsvr32.exe
C:\Windows\System32\regsvr32.exe ..\hvxda.ocx
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | praachichemfood.com | udp |
| US | 13.248.213.45:80 | praachichemfood.com | tcp |
Files
memory/2136-1-0x000000007258D000-0x0000000072598000-memory.dmp
memory/2136-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
C:\Users\Admin\hvxda.ocx
| MD5 | e89f75f918dbdcee28604d4e09dd71d7 |
| SHA1 | f9d9055e9878723a12063b47d4a1a5f58c3eb1e9 |
| SHA256 | 6dc9c7fc93bb488bb0520a6c780a8d3c0fb5486a4711aca49b4c53fac7393023 |
| SHA512 | 8df0ab2e3679b64a6174deff4259ae5680f88e3ae307e0ea2dfff88ec4ba14f3477c9fe3a5aa5da3a8e857601170a5108ed75f6d6975958ac7a314e4a336aed0 |
memory/2136-7-0x000000007258D000-0x0000000072598000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-04 21:08
Reported
2024-09-04 21:09
Platform
win10v2004-20240802-en
Max time kernel
46s
Max time network
35s
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 |
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\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 |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | 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
| Description | Indicator | Process | Target |
| PID 2096 wrote to memory of 1888 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\System32\regsvr32.exe |
| PID 2096 wrote to memory of 1888 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\System32\regsvr32.exe |
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\1df21784d6eefa3a65dd50c54db3f1e18b4e183b1d4ab60293b96e1e0e1517da.xls"
C:\Windows\System32\regsvr32.exe
C:\Windows\System32\regsvr32.exe ..\hvxda.ocx
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.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 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.76.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | praachichemfood.com | udp |
| US | 13.248.213.45:80 | praachichemfood.com | tcp |
| US | 8.8.8.8:53 | 129.68.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.213.248.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
Files
memory/2096-3-0x00007FFBA5AAD000-0x00007FFBA5AAE000-memory.dmp
memory/2096-4-0x00007FFB65A90000-0x00007FFB65AA0000-memory.dmp
memory/2096-5-0x00007FFB65A90000-0x00007FFB65AA0000-memory.dmp
memory/2096-2-0x00007FFB65A90000-0x00007FFB65AA0000-memory.dmp
memory/2096-1-0x00007FFB65A90000-0x00007FFB65AA0000-memory.dmp
memory/2096-0-0x00007FFB65A90000-0x00007FFB65AA0000-memory.dmp
memory/2096-6-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-9-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-10-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-8-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-11-0x00007FFB633D0000-0x00007FFB633E0000-memory.dmp
memory/2096-7-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-14-0x00007FFB633D0000-0x00007FFB633E0000-memory.dmp
memory/2096-13-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-15-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-16-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-19-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-18-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-17-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-12-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-22-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-21-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-20-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
C:\Users\Admin\hvxda.ocx
| MD5 | e89f75f918dbdcee28604d4e09dd71d7 |
| SHA1 | f9d9055e9878723a12063b47d4a1a5f58c3eb1e9 |
| SHA256 | 6dc9c7fc93bb488bb0520a6c780a8d3c0fb5486a4711aca49b4c53fac7393023 |
| SHA512 | 8df0ab2e3679b64a6174deff4259ae5680f88e3ae307e0ea2dfff88ec4ba14f3477c9fe3a5aa5da3a8e857601170a5108ed75f6d6975958ac7a314e4a336aed0 |
memory/2096-37-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
| MD5 | 587e5d0380701cb3ba2d8a89f87abdaf |
| SHA1 | 3041757c35931d7374e0adeff188527da1a95d04 |
| SHA256 | 06bc2d78fef16c2dcdcafb3047d0f4c07fa5d774583b5b2e7d18d2ddb859b1f4 |
| SHA512 | 224a45746c1c6eb11f69ff76dd1e7ee56cf4af4d42b7b11d9e6d7a175bf1bac97062803477b9417ba1128556fb0f7ac445e70202083cf489ba82179e0286e771 |