Analysis Overview
SHA256
cfc2c5f40f2ad3a8addba93382052819f574cfd172d2f38f5e5deeb3e964bdf1
Threat Level: Known bad
The file cfc2c5f40f2ad3a8addba93382052819f574cfd172d2f38f5e5deeb3e964bdf1 was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Suspicious Office macro
System Location Discovery: System Language Discovery
Checks processor information in registry
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-11 21:22
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-11 21:22
Reported
2024-11-11 21:25
Platform
win7-20240903-en
Max time kernel
120s
Max time network
121s
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 328 wrote to memory of 2856 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 328 wrote to memory of 2856 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 328 wrote to memory of 2856 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 328 wrote to memory of 2856 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 328 wrote to memory of 2856 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 328 wrote to memory of 2856 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 328 wrote to memory of 2856 | 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\cfc2c5f40f2ad3a8addba93382052819f574cfd172d2f38f5e5deeb3e964bdf1.xlsm
C:\Windows\SysWow64\regsvr32.exe
C:\Windows\SysWow64\regsvr32.exe -s ..\wn.ocx
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.ajaxmatters.com | udp |
| US | 172.67.147.196:80 | www.ajaxmatters.com | tcp |
| US | 172.67.147.196:443 | www.ajaxmatters.com | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 142.250.187.227:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | crl.microsoft.com | udp |
| GB | 2.19.117.22:80 | crl.microsoft.com | tcp |
Files
memory/328-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/328-1-0x000000007241D000-0x0000000072428000-memory.dmp
C:\Users\Admin\wn.ocx
| MD5 | 4ed8ca5542b641fddd200acebadf4e3c |
| SHA1 | 41fd7fb6cb84805fbc229cbf13620f80a5008003 |
| SHA256 | 3f03ee986c82c3be72da6272448f92d97426f53e07079334edeb502f6386cc33 |
| SHA512 | 866719609b7200cdd4d97b6a83d7fb6424d3900b555e23d2db8744539b1ae204c0da0a5e595c676ee4cad7df3f743aad1e746c750cd30afe3a74d89bf188979a |
memory/328-22-0x000000007241D000-0x0000000072428000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-11 21:22
Reported
2024-11-11 21:25
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
149s
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\SysWow64\regsvr32.exe | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWow64\regsvr32.exe | N/A |
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
| Description | Indicator | Process | Target |
| PID 4568 wrote to memory of 868 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 4568 wrote to memory of 868 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 4568 wrote to memory of 868 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SysWow64\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\cfc2c5f40f2ad3a8addba93382052819f574cfd172d2f38f5e5deeb3e964bdf1.xlsm"
C:\Windows\SysWow64\regsvr32.exe
C:\Windows\SysWow64\regsvr32.exe -s ..\wn.ocx
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | roaming.officeapps.live.com | udp |
| IE | 52.109.76.243:443 | roaming.officeapps.live.com | tcp |
| US | 8.8.8.8:53 | www.ajaxmatters.com | udp |
| US | 172.67.147.196:80 | www.ajaxmatters.com | tcp |
| US | 172.67.147.196:443 | www.ajaxmatters.com | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| US | 8.8.8.8:53 | 46.28.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 243.76.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.147.67.172.in-addr.arpa | udp |
| GB | 142.250.187.227:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | 227.187.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 106.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/4568-0-0x00007FFBA05ED000-0x00007FFBA05EE000-memory.dmp
memory/4568-1-0x00007FFB605D0000-0x00007FFB605E0000-memory.dmp
memory/4568-3-0x00007FFB605D0000-0x00007FFB605E0000-memory.dmp
memory/4568-2-0x00007FFB605D0000-0x00007FFB605E0000-memory.dmp
memory/4568-5-0x00007FFB605D0000-0x00007FFB605E0000-memory.dmp
memory/4568-7-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp
memory/4568-4-0x00007FFB605D0000-0x00007FFB605E0000-memory.dmp
memory/4568-8-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp
memory/4568-10-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp
memory/4568-13-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp
memory/4568-15-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp
memory/4568-16-0x00007FFB5DC70000-0x00007FFB5DC80000-memory.dmp
memory/4568-14-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp
memory/4568-12-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp
memory/4568-17-0x00007FFB5DC70000-0x00007FFB5DC80000-memory.dmp
memory/4568-11-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp
memory/4568-9-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp
memory/4568-6-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp
C:\Users\Admin\wn.ocx
| MD5 | 4ed8ca5542b641fddd200acebadf4e3c |
| SHA1 | 41fd7fb6cb84805fbc229cbf13620f80a5008003 |
| SHA256 | 3f03ee986c82c3be72da6272448f92d97426f53e07079334edeb502f6386cc33 |
| SHA512 | 866719609b7200cdd4d97b6a83d7fb6424d3900b555e23d2db8744539b1ae204c0da0a5e595c676ee4cad7df3f743aad1e746c750cd30afe3a74d89bf188979a |
memory/4568-39-0x00007FFBA05ED000-0x00007FFBA05EE000-memory.dmp
memory/4568-40-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp
memory/4568-41-0x00007FFBA0550000-0x00007FFBA0745000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
| MD5 | 2516a9c034bf2b8bbe7d48e24f63055d |
| SHA1 | d44fd4936509bce3507a625db786129c29e36014 |
| SHA256 | 5365cf1491f12e3b58ce357e6ee0d46c60c7d2e58d64ad9286ea3219a9aab64c |
| SHA512 | 88142f177d1c71b6c1c5c550627b67bb279d6d3f917530247ce9b9bdff32a1bd7840c0dd949a9b17b39da23a65725e84a44ec5a6fb67e30bc9ce5525ac73ee44 |