Analysis Overview
SHA256
dfc9f64bf497bcb26f4e214258c0126ffaa79fef18215f13cefe9d08c0c131d5
Threat Level: Known bad
The file 8fca42088b1b3619ea9ca544fa0b8343_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Suspicious Office macro
Deletes itself
Indicator Removal: File Deletion
System Location Discovery: System Language Discovery
Office loads VBA resources, possible macro or embedded object present
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
NTFS ADS
Enumerates system info in registry
Suspicious use of SetWindowsHookEx
Views/modifies file attributes
Suspicious behavior: AddClipboardFormatListener
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-04 07:00
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-04 07:00
Reported
2024-11-04 09:22
Platform
win7-20240903-en
Max time kernel
120s
Max time network
122s
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\cmd.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\cmd.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\cmd.exe | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
Indicator Removal: File Deletion
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\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\attrib.exe | N/A |
Office loads VBA resources, possible macro or embedded object present
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 |
NTFS ADS
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Local\Temp\AD867F00\:Zone.Identifier:$DATA | 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 behavior: RenamesItself
| 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 |
| 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
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
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\8fca42088b1b3619ea9ca544fa0b8343_JaffaCakes118.xls
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
C:\Windows\SysWOW64\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
Network
Files
memory/1640-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/1640-1-0x0000000071DBD000-0x0000000071DC8000-memory.dmp
memory/1640-9-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-6-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-4-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-29-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-30-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-31-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-28-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-27-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-26-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-24-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-22-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-21-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-19-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-17-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-15-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-14-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-13-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-12-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-11-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-10-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-8-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-7-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-5-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-3-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-2-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-23-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-20-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-18-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-16-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-166-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-165-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-32-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-55-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-54-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-331-0x0000000071DBD000-0x0000000071DC8000-memory.dmp
memory/1640-332-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-333-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-334-0x0000000000750000-0x0000000000850000-memory.dmp
memory/1640-335-0x0000000000750000-0x0000000000850000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-04 07:00
Reported
2024-11-04 09:21
Platform
win10v2004-20241007-en
Max time kernel
141s
Max time network
143s
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\cmd.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\cmd.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\cmd.exe | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE |
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Indicator Removal: File Deletion
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 |
NTFS ADS
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Local\Temp\54A75E00\:Zone.Identifier:$DATA | 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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4108 wrote to memory of 1936 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\system32\cmd.exe |
| PID 4108 wrote to memory of 1936 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\system32\cmd.exe |
| PID 4108 wrote to memory of 3020 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\system32\cmd.exe |
| PID 4108 wrote to memory of 3020 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\system32\cmd.exe |
| PID 4108 wrote to memory of 2528 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\system32\cmd.exe |
| PID 4108 wrote to memory of 2528 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\system32\cmd.exe |
| PID 1936 wrote to memory of 2748 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\attrib.exe |
| PID 1936 wrote to memory of 2748 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\attrib.exe |
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\attrib.exe | N/A |
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\8fca42088b1b3619ea9ca544fa0b8343_JaffaCakes118.xls"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
Network
| Country | Destination | Domain | Proto |
| 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 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 46.28.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 129.68.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 214.143.182.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
Files
memory/4108-0-0x00007FFA179D0000-0x00007FFA179E0000-memory.dmp
memory/4108-1-0x00007FFA579ED000-0x00007FFA579EE000-memory.dmp
memory/4108-3-0x00007FFA179D0000-0x00007FFA179E0000-memory.dmp
memory/4108-2-0x00007FFA179D0000-0x00007FFA179E0000-memory.dmp
memory/4108-4-0x00007FFA179D0000-0x00007FFA179E0000-memory.dmp
memory/4108-5-0x00007FFA57950000-0x00007FFA57B45000-memory.dmp
memory/4108-6-0x00007FFA57950000-0x00007FFA57B45000-memory.dmp
memory/4108-7-0x00007FFA179D0000-0x00007FFA179E0000-memory.dmp
memory/4108-8-0x00007FFA57950000-0x00007FFA57B45000-memory.dmp
memory/4108-10-0x00007FFA57950000-0x00007FFA57B45000-memory.dmp
memory/4108-9-0x00007FFA57950000-0x00007FFA57B45000-memory.dmp
memory/4108-13-0x00007FFA57950000-0x00007FFA57B45000-memory.dmp
memory/4108-14-0x00007FFA57950000-0x00007FFA57B45000-memory.dmp
memory/4108-12-0x00007FFA15970000-0x00007FFA15980000-memory.dmp
memory/4108-15-0x00007FFA57950000-0x00007FFA57B45000-memory.dmp
memory/4108-16-0x00007FFA57950000-0x00007FFA57B45000-memory.dmp
memory/4108-11-0x00007FFA57950000-0x00007FFA57B45000-memory.dmp
memory/4108-17-0x00007FFA15970000-0x00007FFA15980000-memory.dmp
memory/4108-44-0x00007FFA57950000-0x00007FFA57B45000-memory.dmp
memory/4108-47-0x00007FFA57950000-0x00007FFA57B45000-memory.dmp
memory/4108-46-0x00007FFA57950000-0x00007FFA57B45000-memory.dmp
memory/4108-37-0x00007FFA57950000-0x00007FFA57B45000-memory.dmp
memory/4108-48-0x00007FFA57950000-0x00007FFA57B45000-memory.dmp
memory/4108-61-0x00007FFA57950000-0x00007FFA57B45000-memory.dmp
memory/4108-62-0x00007FFA57950000-0x00007FFA57B45000-memory.dmp
memory/4108-60-0x00007FFA57950000-0x00007FFA57B45000-memory.dmp
memory/4108-70-0x00007FFA57950000-0x00007FFA57B45000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\8fca42088b1b3619ea9ca544fa0b8343_JaffaCakes118.xls
| MD5 | 964f301697f1c9e68c26f3122eb23e30 |
| SHA1 | 57fd4c7484608e2fb862a618cda7930f4e4d8744 |
| SHA256 | 768c7f93bc023bc08125271bcb53b8c119fff71ff6d4b1d94978684be333d713 |
| SHA512 | 92ff9fcaa5de269e4edcb682b937d1256e55e3404f9b683b40cc9f7dd9f2fd36b925d16de494bed32978a3f320e5fdc07d0b76849144bbc73e4dddee80d07537 |
memory/4108-106-0x00007FFA57950000-0x00007FFA57B45000-memory.dmp
memory/4108-108-0x00007FFA57950000-0x00007FFA57B45000-memory.dmp
memory/4108-107-0x00007FFA579ED000-0x00007FFA579EE000-memory.dmp
memory/4108-109-0x00007FFA57950000-0x00007FFA57B45000-memory.dmp
memory/4108-110-0x00007FFA57950000-0x00007FFA57B45000-memory.dmp
memory/4108-114-0x00007FFA57950000-0x00007FFA57B45000-memory.dmp