Analysis Overview
SHA256
159bbf20977f80289e54d468f1c240cfec079a6df6e279e024b3ff406a0acd58
Threat Level: Likely malicious
The file 159bbf20977f80289e54d468f1c240cfec079a6df6e279e024b3ff406a0acd58 was found to be: Likely malicious.
Malicious Activity Summary
Office macro that triggers on suspicious action
Suspicious Office macro
System Location Discovery: System Language Discovery
Office loads VBA resources, possible macro or embedded object present
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-06 22:13
Signatures
Office macro that triggers on suspicious action
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-06 22:13
Reported
2024-08-06 22:14
Platform
win7-20240704-en
Max time kernel
24s
Max time network
16s
Command Line
Signatures
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 |
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 |
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 FindShellTrayWindow
| 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 |
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 1864 wrote to memory of 2876 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\splwow64.exe |
| PID 1864 wrote to memory of 2876 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\splwow64.exe |
| PID 1864 wrote to memory of 2876 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\splwow64.exe |
| PID 1864 wrote to memory of 2876 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\splwow64.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\159bbf20977f80289e54d468f1c240cfec079a6df6e279e024b3ff406a0acd58.xls
C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
Network
Files
memory/1864-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/1864-1-0x00000000727CD000-0x00000000727D8000-memory.dmp
memory/1864-8-0x00000000076E0000-0x00000000077E0000-memory.dmp
memory/1864-9-0x00000000727CD000-0x00000000727D8000-memory.dmp
memory/1864-10-0x00000000076E0000-0x00000000077E0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-06 22:13
Reported
2024-08-06 22:14
Platform
win10v2004-20240802-en
Max time kernel
37s
Max time network
39s
Command Line
Signatures
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 3856 wrote to memory of 1636 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\splwow64.exe |
| PID 3856 wrote to memory of 1636 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\splwow64.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\159bbf20977f80289e54d468f1c240cfec079a6df6e279e024b3ff406a0acd58.xls"
C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.32.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 93.65.42.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.190.18.2.in-addr.arpa | udp |
Files
memory/3856-0-0x00007FFCCE5D0000-0x00007FFCCE5E0000-memory.dmp
memory/3856-1-0x00007FFD0E5ED000-0x00007FFD0E5EE000-memory.dmp
memory/3856-2-0x00007FFCCE5D0000-0x00007FFCCE5E0000-memory.dmp
memory/3856-4-0x00007FFCCE5D0000-0x00007FFCCE5E0000-memory.dmp
memory/3856-5-0x00007FFCCE5D0000-0x00007FFCCE5E0000-memory.dmp
memory/3856-11-0x00007FFD0E550000-0x00007FFD0E745000-memory.dmp
memory/3856-10-0x00007FFD0E550000-0x00007FFD0E745000-memory.dmp
memory/3856-9-0x00007FFD0E550000-0x00007FFD0E745000-memory.dmp
memory/3856-13-0x00007FFD0E550000-0x00007FFD0E745000-memory.dmp
memory/3856-14-0x00007FFD0E550000-0x00007FFD0E745000-memory.dmp
memory/3856-12-0x00007FFCCBC70000-0x00007FFCCBC80000-memory.dmp
memory/3856-15-0x00007FFCCBC70000-0x00007FFCCBC80000-memory.dmp
memory/3856-16-0x00007FFD0E550000-0x00007FFD0E745000-memory.dmp
memory/3856-20-0x00007FFD0E550000-0x00007FFD0E745000-memory.dmp
memory/3856-22-0x00007FFD0E550000-0x00007FFD0E745000-memory.dmp
memory/3856-21-0x00007FFD0E550000-0x00007FFD0E745000-memory.dmp
memory/3856-19-0x00007FFD0E550000-0x00007FFD0E745000-memory.dmp
memory/3856-18-0x00007FFD0E550000-0x00007FFD0E745000-memory.dmp
memory/3856-17-0x00007FFD0E550000-0x00007FFD0E745000-memory.dmp
memory/3856-8-0x00007FFD0E550000-0x00007FFD0E745000-memory.dmp
memory/3856-7-0x00007FFD0E550000-0x00007FFD0E745000-memory.dmp
memory/3856-6-0x00007FFD0E550000-0x00007FFD0E745000-memory.dmp
memory/3856-3-0x00007FFCCE5D0000-0x00007FFCCE5E0000-memory.dmp
memory/3856-38-0x00007FFD0E550000-0x00007FFD0E745000-memory.dmp
memory/3856-39-0x00007FFD0E5ED000-0x00007FFD0E5EE000-memory.dmp
memory/3856-40-0x00007FFD0E550000-0x00007FFD0E745000-memory.dmp