Analysis Overview
SHA256
76cc3b2a3d4e594db498919d736587c63bfd7eb150d5d809aedba8465a7a32dc
Threat Level: Known bad
The file 76cc3b2a3d4e594db498919d736587c63bfd7eb150d5d809aedba8465a7a32dc 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 WriteProcessMemory
Checks processor information in registry
Suspicious use of FindShellTrayWindow
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-11 20:27
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-11 20:27
Reported
2024-11-11 20:29
Platform
win7-20241010-en
Max time kernel
61s
Max time network
126s
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 2412 wrote to memory of 2824 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 2412 wrote to memory of 2824 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 2412 wrote to memory of 2824 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 2412 wrote to memory of 2824 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 2412 wrote to memory of 2824 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 2412 wrote to memory of 2824 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 2412 wrote to memory of 2824 | 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\76cc3b2a3d4e594db498919d736587c63bfd7eb150d5d809aedba8465a7a32dc.xlsm
C:\Windows\SysWow64\regsvr32.exe
C:\Windows\SysWow64\regsvr32.exe -s ..\fbd.dll
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.arkpp.com | udp |
| SG | 18.141.21.141:80 | www.arkpp.com | tcp |
| US | 8.8.8.8:53 | www.avrworks.com | udp |
| US | 8.8.8.8:53 | www.babylinesl.com | udp |
| ES | 31.24.156.22:80 | www.babylinesl.com | tcp |
| ES | 31.24.156.22:443 | www.babylinesl.com | tcp |
| US | 8.8.8.8:53 | r11.o.lencr.org | udp |
| GB | 2.23.210.75:80 | r11.o.lencr.org | tcp |
| US | 8.8.8.8:53 | physioacademy.co.uk | udp |
| FR | 92.205.239.100:443 | physioacademy.co.uk | tcp |
| FR | 92.205.239.100:443 | physioacademy.co.uk | tcp |
| FR | 92.205.239.100:443 | physioacademy.co.uk | tcp |
| FR | 92.205.239.100:443 | physioacademy.co.uk | tcp |
| US | 8.8.8.8:53 | unada.us | udp |
| US | 198.49.23.144:443 | unada.us | tcp |
Files
memory/2412-1-0x0000000073E5D000-0x0000000073E68000-memory.dmp
memory/2412-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
C:\Users\Admin\fbd.dll
| MD5 | 9f1766fa76e9de9be4af1065f37ce7c5 |
| SHA1 | 9d926f54bc0aadebe8bf4bfc6d13548a21eb58ef |
| SHA256 | c483b6fa04324618c2a53b77315fa8ce8843a710628472b58dae08666f7ede14 |
| SHA512 | 338ce1820aeff876caf804f027bb40eaf0f7842be42a7a9fba77c8d2e61e744688d61a6f1bcdbb033be71b463b56c0159936687b68c418e096ddc97383174328 |
memory/2412-21-0x0000000073E5D000-0x0000000073E68000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-11 20:27
Reported
2024-11-11 20:29
Platform
win10v2004-20241007-en
Max time kernel
133s
Max time network
135s
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 2288 wrote to memory of 908 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 2288 wrote to memory of 908 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 2288 wrote to memory of 908 | 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\76cc3b2a3d4e594db498919d736587c63bfd7eb150d5d809aedba8465a7a32dc.xlsm"
C:\Windows\SysWow64\regsvr32.exe
C:\Windows\SysWow64\regsvr32.exe -s ..\fbd.dll
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 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.32.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | roaming.officeapps.live.com | udp |
| GB | 52.109.28.47:443 | roaming.officeapps.live.com | tcp |
| US | 8.8.8.8:53 | www.arkpp.com | udp |
| SG | 18.141.21.141:80 | www.arkpp.com | tcp |
| US | 8.8.8.8:53 | 47.28.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.avrworks.com | udp |
| US | 8.8.8.8:53 | www.babylinesl.com | udp |
| ES | 31.24.156.22:80 | www.babylinesl.com | tcp |
| ES | 31.24.156.22:443 | www.babylinesl.com | 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 | physioacademy.co.uk | udp |
| FR | 92.205.239.100:443 | physioacademy.co.uk | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 141.21.141.18.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.156.24.31.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.169.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | unada.us | udp |
| US | 198.49.23.144:443 | unada.us | tcp |
| US | 8.8.8.8:53 | 100.239.205.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.23.49.198.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.112.168.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
Files
memory/2288-0-0x00007FFC29530000-0x00007FFC29540000-memory.dmp
memory/2288-1-0x00007FFC6954D000-0x00007FFC6954E000-memory.dmp
memory/2288-4-0x00007FFC29530000-0x00007FFC29540000-memory.dmp
memory/2288-3-0x00007FFC29530000-0x00007FFC29540000-memory.dmp
memory/2288-5-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp
memory/2288-6-0x00007FFC29530000-0x00007FFC29540000-memory.dmp
memory/2288-2-0x00007FFC29530000-0x00007FFC29540000-memory.dmp
memory/2288-10-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp
memory/2288-11-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp
memory/2288-13-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp
memory/2288-16-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp
memory/2288-17-0x00007FFC27230000-0x00007FFC27240000-memory.dmp
memory/2288-15-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp
memory/2288-18-0x00007FFC27230000-0x00007FFC27240000-memory.dmp
memory/2288-14-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp
memory/2288-12-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp
memory/2288-9-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp
memory/2288-8-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp
memory/2288-7-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp
C:\Users\Admin\fbd.dll
| MD5 | 9f1766fa76e9de9be4af1065f37ce7c5 |
| SHA1 | 9d926f54bc0aadebe8bf4bfc6d13548a21eb58ef |
| SHA256 | c483b6fa04324618c2a53b77315fa8ce8843a710628472b58dae08666f7ede14 |
| SHA512 | 338ce1820aeff876caf804f027bb40eaf0f7842be42a7a9fba77c8d2e61e744688d61a6f1bcdbb033be71b463b56c0159936687b68c418e096ddc97383174328 |
memory/2288-40-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp
memory/2288-41-0x00007FFC6954D000-0x00007FFC6954E000-memory.dmp
memory/2288-42-0x00007FFC694B0000-0x00007FFC696A5000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
| MD5 | a7c3a30e3d81d18158bfc76fb015ff78 |
| SHA1 | fd74b789e9af4b2b2079b90c56cf973a5504402e |
| SHA256 | 6c8677bccfcca7a24225508dad197fdad7e8d57e667e37fd14f1ecb0cae5f64f |
| SHA512 | 6308319625725424ce167e4a8f9dbff311d2219f450fb40b589ce7a52dd96feeaf306a04415135f13cc73816b6052c752f90302e7f415117f0367c2750ac14ba |