Analysis Overview
SHA256
a743c27f7c300ade46c8d04612cc7d9124d3d05e82c0dd5b5f5dfb1325dc99d1
Threat Level: Likely malicious
The file a743c27f7c300ade46c8d04612cc7d9124d3d05e82c0dd5b5f5dfb1325dc99d1 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
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of WriteProcessMemory
Checks processor information in registry
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-06 22:12
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 22:12
Reported
2024-08-06 22:13
Platform
win7-20240704-en
Max time kernel
26s
Max time network
19s
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 3012 wrote to memory of 2196 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\splwow64.exe |
| PID 3012 wrote to memory of 2196 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\splwow64.exe |
| PID 3012 wrote to memory of 2196 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\splwow64.exe |
| PID 3012 wrote to memory of 2196 | 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\a743c27f7c300ade46c8d04612cc7d9124d3d05e82c0dd5b5f5dfb1325dc99d1.xls
C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
Network
Files
memory/3012-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/3012-1-0x0000000071EDD000-0x0000000071EE8000-memory.dmp
memory/3012-5-0x0000000007C70000-0x0000000007D70000-memory.dmp
memory/3012-9-0x0000000071EDD000-0x0000000071EE8000-memory.dmp
memory/3012-10-0x0000000007C70000-0x0000000007D70000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-06 22:12
Reported
2024-08-06 22:13
Platform
win10v2004-20240802-en
Max time kernel
33s
Max time network
41s
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 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:\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 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 3096 wrote to memory of 968 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\splwow64.exe |
| PID 3096 wrote to memory of 968 | 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\a743c27f7c300ade46c8d04612cc7d9124d3d05e82c0dd5b5f5dfb1325dc99d1.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 | 18.89.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.73.42.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
Files
memory/3096-0-0x00007FFEBAF50000-0x00007FFEBAF60000-memory.dmp
memory/3096-2-0x00007FFEBAF50000-0x00007FFEBAF60000-memory.dmp
memory/3096-1-0x00007FFEBAF50000-0x00007FFEBAF60000-memory.dmp
memory/3096-5-0x00007FFEFAF6D000-0x00007FFEFAF6E000-memory.dmp
memory/3096-4-0x00007FFEBAF50000-0x00007FFEBAF60000-memory.dmp
memory/3096-3-0x00007FFEBAF50000-0x00007FFEBAF60000-memory.dmp
memory/3096-9-0x00007FFEFAED0000-0x00007FFEFB0C5000-memory.dmp
memory/3096-8-0x00007FFEFAED0000-0x00007FFEFB0C5000-memory.dmp
memory/3096-7-0x00007FFEFAED0000-0x00007FFEFB0C5000-memory.dmp
memory/3096-6-0x00007FFEFAED0000-0x00007FFEFB0C5000-memory.dmp
memory/3096-10-0x00007FFEB8C20000-0x00007FFEB8C30000-memory.dmp
memory/3096-12-0x00007FFEFAED0000-0x00007FFEFB0C5000-memory.dmp
memory/3096-13-0x00007FFEFAED0000-0x00007FFEFB0C5000-memory.dmp
memory/3096-14-0x00007FFEB8C20000-0x00007FFEB8C30000-memory.dmp
memory/3096-11-0x00007FFEFAED0000-0x00007FFEFB0C5000-memory.dmp
memory/3096-15-0x00007FFEFAED0000-0x00007FFEFB0C5000-memory.dmp
memory/3096-16-0x00007FFEFAED0000-0x00007FFEFB0C5000-memory.dmp
memory/3096-17-0x00007FFEFAED0000-0x00007FFEFB0C5000-memory.dmp
memory/3096-19-0x00007FFEFAED0000-0x00007FFEFB0C5000-memory.dmp
memory/3096-21-0x00007FFEFAED0000-0x00007FFEFB0C5000-memory.dmp
memory/3096-22-0x00007FFEFAED0000-0x00007FFEFB0C5000-memory.dmp
memory/3096-20-0x00007FFEFAED0000-0x00007FFEFB0C5000-memory.dmp
memory/3096-18-0x00007FFEFAED0000-0x00007FFEFB0C5000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
| MD5 | 22b4dac5ef972521cdf9ff3d2e15e1cb |
| SHA1 | 716c4bcdea948d2f37a1b26a2d43b30576408f66 |
| SHA256 | 87f255f342e28384ea39bf2be752e37d6c3b230daf45e6de6e66d3b81bb54ab3 |
| SHA512 | 4f26e7e6955de3f5aba36b929e30f03657deec9845b1197745086cf92f1f0e07fb37d3cf021d12a12f9acfc36b1854fa9685ed0ceaec9f4ee16364b290e56d6b |
memory/3096-41-0x00007FFEFAED0000-0x00007FFEFB0C5000-memory.dmp