Analysis Overview
SHA256
62618c9df7204189c63526127c040869a8780381c757958118014354a864fbdd
Threat Level: Known bad
The file 8b71b3ba72efcacf8a0e73cf40bc02c5_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Suspicious Office macro
Deletes itself
Indicator Removal: File Deletion
Process spawned suspicious child process
System Location Discovery: System Language Discovery
Office loads VBA resources, possible macro or embedded object present
NTFS ADS
Checks processor information in registry
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: RenamesItself
Suspicious use of SetWindowsHookEx
Enumerates system info in registry
Views/modifies file attributes
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-03 12:17
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-03 12:17
Reported
2024-11-03 12:20
Platform
win7-20240903-en
Max time kernel
120s
Max time network
125s
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\DE967F00\: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 |
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\8b71b3ba72efcacf8a0e73cf40bc02c5_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/1740-1-0x00000000727ED000-0x00000000727F8000-memory.dmp
memory/1740-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/1740-15-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-8-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-9-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-11-0x0000000006310000-0x0000000006410000-memory.dmp
memory/1740-26-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-12-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-13-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-10-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-30-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-29-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-28-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-27-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-31-0x0000000006310000-0x0000000006410000-memory.dmp
memory/1740-25-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-23-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-24-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-22-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-21-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-20-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-39-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-19-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-18-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-17-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-16-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-14-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-64-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-89-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-331-0x00000000727ED000-0x00000000727F8000-memory.dmp
memory/1740-332-0x0000000006310000-0x0000000006410000-memory.dmp
memory/1740-333-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-334-0x0000000000740000-0x0000000000840000-memory.dmp
memory/1740-335-0x0000000000740000-0x0000000000840000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-03 12:17
Reported
2024-11-03 12:20
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
151s
Command Line
Signatures
Process spawned suspicious 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:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\system32\dwwin.exe | N/A |
| 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 |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Windows\system32\dwwin.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\system32\dwwin.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:\Windows\system32\dwwin.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Windows\system32\dwwin.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 behavior: EnumeratesProcesses
| 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 |
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 3600 wrote to memory of 1608 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE |
| PID 3600 wrote to memory of 1608 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE |
| PID 1608 wrote to memory of 4484 | N/A | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE | C:\Windows\system32\dwwin.exe |
| PID 1608 wrote to memory of 4484 | N/A | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE | C:\Windows\system32\dwwin.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\8b71b3ba72efcacf8a0e73cf40bc02c5_JaffaCakes118.xls"
C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE
"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 4884
C:\Windows\system32\dwwin.exe
C:\Windows\system32\dwwin.exe -x -s 4884
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 | 228.249.119.40.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 | 88.210.23.2.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 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.28.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.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 |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.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 |
Files
memory/3600-0-0x00007FFE01B50000-0x00007FFE01B60000-memory.dmp
memory/3600-3-0x00007FFE41B6D000-0x00007FFE41B6E000-memory.dmp
memory/3600-2-0x00007FFE01B50000-0x00007FFE01B60000-memory.dmp
memory/3600-1-0x00007FFE01B50000-0x00007FFE01B60000-memory.dmp
memory/3600-4-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp
memory/3600-5-0x00007FFE01B50000-0x00007FFE01B60000-memory.dmp
memory/3600-6-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp
memory/3600-7-0x00007FFE01B50000-0x00007FFE01B60000-memory.dmp
memory/3600-8-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp
memory/3600-9-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp
memory/3600-10-0x00007FFDFF9B0000-0x00007FFDFF9C0000-memory.dmp
memory/3600-11-0x00007FFDFF9B0000-0x00007FFDFF9C0000-memory.dmp
memory/1608-30-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp
memory/1608-32-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp
memory/1608-39-0x00007FFE01B50000-0x00007FFE01B60000-memory.dmp
memory/1608-40-0x00007FFE01B50000-0x00007FFE01B60000-memory.dmp
memory/1608-41-0x00007FFE01B50000-0x00007FFE01B60000-memory.dmp
memory/1608-42-0x00007FFE01B50000-0x00007FFE01B60000-memory.dmp
memory/1608-43-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp
memory/3600-44-0x00007FFE41AD0000-0x00007FFE41CC5000-memory.dmp