Analysis Overview
SHA256
b64a6c2cf6619a7517d1dcc6a139578a6fbedfbe14c269a8f1ccf6380412e0ad
Threat Level: Likely malicious
The file b64a6c2cf6619a7517d1dcc6a139578a6fbedfbe14c269a8f1ccf6380412e0ad 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 behavior: AddClipboardFormatListener
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Suspicious use of SetWindowsHookEx
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-31 01:45
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-31 01:45
Reported
2024-05-31 01:46
Platform
win7-20240221-en
Max time kernel
44s
Max time network
17s
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-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Toolbar | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\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-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\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-1-5-21-1298544033-3225604241-2703760938-1000\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 |
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\b64a6c2cf6619a7517d1dcc6a139578a6fbedfbe14c269a8f1ccf6380412e0ad.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/2220-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/2220-1-0x0000000072C1D000-0x0000000072C28000-memory.dmp
memory/2220-26-0x00000000062F0000-0x00000000063F0000-memory.dmp
memory/2220-39-0x00000000062F0000-0x00000000063F0000-memory.dmp
memory/2220-65-0x00000000062F0000-0x00000000063F0000-memory.dmp
memory/2220-64-0x00000000062F0000-0x00000000063F0000-memory.dmp
memory/2220-66-0x00000000062F0000-0x00000000063F0000-memory.dmp
memory/2220-67-0x0000000072C1D000-0x0000000072C28000-memory.dmp
memory/2220-68-0x00000000062F0000-0x00000000063F0000-memory.dmp
memory/2220-69-0x00000000062F0000-0x00000000063F0000-memory.dmp
memory/2220-70-0x00000000062F0000-0x00000000063F0000-memory.dmp
memory/2220-71-0x00000000062F0000-0x00000000063F0000-memory.dmp
memory/2220-72-0x00000000062F0000-0x00000000063F0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-31 01:45
Reported
2024-05-31 01:46
Platform
win10v2004-20240426-en
Max time kernel
33s
Max time network
35s
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:\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 |
| 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 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 |
| 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 |
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 1968 wrote to memory of 4232 | 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 1968 wrote to memory of 4232 | 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 4232 wrote to memory of 3436 | N/A | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE | C:\Windows\system32\dwwin.exe |
| PID 4232 wrote to memory of 3436 | 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\b64a6c2cf6619a7517d1dcc6a139578a6fbedfbe14c269a8f1ccf6380412e0ad.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 4796
C:\Windows\system32\dwwin.exe
C:\Windows\system32\dwwin.exe -x -s 4796
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.89.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | roaming.officeapps.live.com | udp |
| NL | 52.109.89.19:443 | roaming.officeapps.live.com | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.89.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
Files
memory/1968-0-0x00007FF81BF90000-0x00007FF81BFA0000-memory.dmp
memory/1968-2-0x00007FF81BF90000-0x00007FF81BFA0000-memory.dmp
memory/1968-1-0x00007FF81BF90000-0x00007FF81BFA0000-memory.dmp
memory/1968-3-0x00007FF85BFAD000-0x00007FF85BFAE000-memory.dmp
memory/1968-4-0x00007FF81BF90000-0x00007FF81BFA0000-memory.dmp
memory/1968-5-0x00007FF81BF90000-0x00007FF81BFA0000-memory.dmp
memory/1968-8-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp
memory/1968-7-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp
memory/1968-6-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp
memory/1968-9-0x00007FF819B70000-0x00007FF819B80000-memory.dmp
memory/1968-12-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp
memory/1968-13-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp
memory/1968-14-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp
memory/1968-16-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp
memory/1968-17-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp
memory/1968-15-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp
memory/1968-11-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp
memory/1968-10-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp
memory/1968-18-0x00007FF819B70000-0x00007FF819B80000-memory.dmp
memory/4232-56-0x00007FF81BF90000-0x00007FF81BFA0000-memory.dmp
memory/4232-58-0x00007FF81BF90000-0x00007FF81BFA0000-memory.dmp
memory/4232-57-0x00007FF81BF90000-0x00007FF81BFA0000-memory.dmp
memory/4232-55-0x00007FF81BF90000-0x00007FF81BFA0000-memory.dmp
memory/1968-59-0x00007FF85BF10000-0x00007FF85C105000-memory.dmp