Analysis Overview
SHA256
21d739deefe8d92057231e8fbb6f85a45e0b65dbab7b908fe7309b47c7e02190
Threat Level: Likely malicious
The file 21d739deefe8d92057231e8fbb6f85a45e0b65dbab7b908fe7309b47c7e02190 was found to be: Likely malicious.
Malicious Activity Summary
Suspicious Office macro
Process spawned suspicious child process
Office loads VBA resources, possible macro or embedded object present
Modifies Internet Explorer settings
Suspicious use of SetWindowsHookEx
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-24 21:17
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-24 21:17
Reported
2024-06-24 21:18
Platform
win7-20240221-en
Max time kernel
48s
Max time network
16s
Command Line
Signatures
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 |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Toolbar | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\MenuExt | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote | 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 |
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\21d739deefe8d92057231e8fbb6f85a45e0b65dbab7b908fe7309b47c7e02190.xlsm
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | docs.google.com | udp |
| GB | 142.250.200.14:443 | docs.google.com | tcp |
| US | 8.8.8.8:53 | www.dropbox.com | udp |
| GB | 162.125.64.18:443 | www.dropbox.com | tcp |
| GB | 162.125.64.18:443 | www.dropbox.com | tcp |
Files
memory/2248-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/2248-1-0x00000000721AD000-0x00000000721B8000-memory.dmp
memory/2248-63-0x0000000006350000-0x0000000006450000-memory.dmp
memory/2248-62-0x0000000006350000-0x0000000006450000-memory.dmp
memory/2248-64-0x0000000006350000-0x0000000006450000-memory.dmp
memory/2248-65-0x0000000006350000-0x0000000006450000-memory.dmp
memory/2248-66-0x00000000721AD000-0x00000000721B8000-memory.dmp
memory/2248-67-0x0000000006350000-0x0000000006450000-memory.dmp
memory/2248-68-0x0000000006350000-0x0000000006450000-memory.dmp
memory/2248-69-0x0000000006350000-0x0000000006450000-memory.dmp
memory/2248-70-0x0000000006350000-0x0000000006450000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-24 21:17
Reported
2024-06-24 21:18
Platform
win10v2004-20240508-en
Max time kernel
51s
Max time network
52s
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 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 |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\system32\dwwin.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| 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 |
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 3836 wrote to memory of 2992 | 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 3836 wrote to memory of 2992 | 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 2992 wrote to memory of 3692 | N/A | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE | C:\Windows\system32\dwwin.exe |
| PID 2992 wrote to memory of 3692 | 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\21d739deefe8d92057231e8fbb6f85a45e0b65dbab7b908fe7309b47c7e02190.xlsm"
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 4152
C:\Windows\system32\dwwin.exe
C:\Windows\system32\dwwin.exe -x -s 4152
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
Files
memory/3836-0-0x00007FFD2D290000-0x00007FFD2D2A0000-memory.dmp
memory/3836-2-0x00007FFD2D290000-0x00007FFD2D2A0000-memory.dmp
memory/3836-1-0x00007FFD2D290000-0x00007FFD2D2A0000-memory.dmp
memory/3836-4-0x00007FFD2D290000-0x00007FFD2D2A0000-memory.dmp
memory/3836-3-0x00007FFD6D2AD000-0x00007FFD6D2AE000-memory.dmp
memory/3836-5-0x00007FFD2D290000-0x00007FFD2D2A0000-memory.dmp
memory/3836-7-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp
memory/3836-6-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp
memory/3836-9-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp
memory/3836-10-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp
memory/3836-11-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp
memory/3836-13-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp
memory/3836-15-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp
memory/3836-18-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp
memory/3836-19-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp
memory/3836-22-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp
memory/3836-21-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp
memory/3836-20-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp
memory/3836-17-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp
memory/3836-16-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp
memory/3836-14-0x00007FFD2B000000-0x00007FFD2B010000-memory.dmp
memory/3836-12-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp
memory/3836-8-0x00007FFD2B000000-0x00007FFD2B010000-memory.dmp
memory/2992-46-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp
memory/2992-54-0x00007FFD2D290000-0x00007FFD2D2A0000-memory.dmp
memory/2992-56-0x00007FFD2D290000-0x00007FFD2D2A0000-memory.dmp
memory/2992-55-0x00007FFD2D290000-0x00007FFD2D2A0000-memory.dmp
memory/2992-57-0x00007FFD2D290000-0x00007FFD2D2A0000-memory.dmp
memory/2992-58-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp
memory/3836-59-0x00007FFD6D210000-0x00007FFD6D405000-memory.dmp