Analysis Overview
SHA256
849f1f8d68e4ef6069302abc1bff17e878fa98ab8fdd7e78454c80e01f018af6
Threat Level: Known bad
The file e88133dbf546b70c8226b6d8085f4d4a was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Process spawned suspicious child process
Enumerates system info in registry
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-22 16:07
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-22 16:07
Reported
2023-12-24 05:42
Platform
win10v2004-20231222-en
Max time kernel
145s
Max time network
149s
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\~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 |
| 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 |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| 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 |
| 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 |
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 |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3304 wrote to memory of 804 | 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 3304 wrote to memory of 804 | 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 804 wrote to memory of 1268 | N/A | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE | C:\Windows\system32\dwwin.exe |
| PID 804 wrote to memory of 1268 | 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\e88133dbf546b70c8226b6d8085f4d4a.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 3880
C:\Windows\system32\dwwin.exe
C:\Windows\system32\dwwin.exe -x -s 3880
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 3.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 89.16.208.104.in-addr.arpa | udp |
Files
memory/3304-3-0x00007FFCD7530000-0x00007FFCD7540000-memory.dmp
memory/3304-6-0x00007FFD174B0000-0x00007FFD176A5000-memory.dmp
memory/3304-7-0x00007FFD174B0000-0x00007FFD176A5000-memory.dmp
memory/3304-11-0x00007FFD174B0000-0x00007FFD176A5000-memory.dmp
memory/3304-14-0x00007FFD174B0000-0x00007FFD176A5000-memory.dmp
memory/3304-13-0x00007FFD174B0000-0x00007FFD176A5000-memory.dmp
memory/3304-16-0x00007FFD174B0000-0x00007FFD176A5000-memory.dmp
memory/3304-18-0x00007FFD174B0000-0x00007FFD176A5000-memory.dmp
memory/3304-20-0x00007FFD174B0000-0x00007FFD176A5000-memory.dmp
memory/3304-21-0x00007FFD174B0000-0x00007FFD176A5000-memory.dmp
memory/3304-23-0x00007FFD174B0000-0x00007FFD176A5000-memory.dmp
memory/3304-22-0x00007FFD174B0000-0x00007FFD176A5000-memory.dmp
memory/3304-19-0x00007FFD174B0000-0x00007FFD176A5000-memory.dmp
memory/3304-17-0x00007FFD174B0000-0x00007FFD176A5000-memory.dmp
memory/3304-15-0x00007FFCD54D0000-0x00007FFCD54E0000-memory.dmp
memory/3304-12-0x00007FFD174B0000-0x00007FFD176A5000-memory.dmp
memory/804-30-0x00007FFD174B0000-0x00007FFD176A5000-memory.dmp
memory/3304-10-0x00007FFD174B0000-0x00007FFD176A5000-memory.dmp
memory/804-34-0x00007FFD174B0000-0x00007FFD176A5000-memory.dmp
memory/804-33-0x00007FFD174B0000-0x00007FFD176A5000-memory.dmp
memory/804-32-0x00007FFD174B0000-0x00007FFD176A5000-memory.dmp
memory/3304-9-0x00007FFD174B0000-0x00007FFD176A5000-memory.dmp
memory/3304-8-0x00007FFCD54D0000-0x00007FFCD54E0000-memory.dmp
memory/3304-5-0x00007FFCD7530000-0x00007FFCD7540000-memory.dmp
memory/3304-4-0x00007FFD174B0000-0x00007FFD176A5000-memory.dmp
memory/3304-2-0x00007FFCD7530000-0x00007FFCD7540000-memory.dmp
memory/3304-1-0x00007FFCD7530000-0x00007FFCD7540000-memory.dmp
memory/3304-0-0x00007FFCD7530000-0x00007FFCD7540000-memory.dmp
memory/3304-39-0x00007FFD174B0000-0x00007FFD176A5000-memory.dmp
memory/804-42-0x00007FFCD7530000-0x00007FFCD7540000-memory.dmp
memory/804-46-0x00007FFD174B0000-0x00007FFD176A5000-memory.dmp
memory/804-45-0x00007FFCD7530000-0x00007FFCD7540000-memory.dmp
memory/804-44-0x00007FFCD7530000-0x00007FFCD7540000-memory.dmp
memory/804-43-0x00007FFCD7530000-0x00007FFCD7540000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-22 16:07
Reported
2023-12-24 05:42
Platform
win7-20231129-en
Max time kernel
0s
Max time network
120s
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\wscript.exe | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar | 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\e88133dbf546b70c8226b6d8085f4d4a.xlsm
C:\Windows\SysWOW64\wscript.exe
wscript C:\zer\spp.vbs
Network
| Country | Destination | Domain | Proto |
| NL | 46.17.98.187:80 | tcp | |
| NL | 46.17.98.187:80 | tcp | |
| US | 8.8.8.8:53 | google.com | udp |
| GB | 216.58.212.238:80 | google.com | tcp |
Files
memory/2820-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/2820-1-0x0000000072CAD000-0x0000000072CB8000-memory.dmp
memory/2820-2-0x0000000072CAD000-0x0000000072CB8000-memory.dmp
memory/2820-5-0x0000000072CAD000-0x0000000072CB8000-memory.dmp
memory/2820-4-0x000000005FFF0000-0x0000000060000000-memory.dmp