Analysis Overview
SHA256
5df57a9c8b00ce154f96d692a10f74b3ca3827a62f598c1b502e0a58222c83bf
Threat Level: Known bad
The file 5df57a9c8b00ce154f96d692a10f74b3ca3827a62f598c1b502e0a58222c83bf was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Suspicious Office macro
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Checks processor information in registry
Modifies registry class
Suspicious use of FindShellTrayWindow
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Enumerates system info in registry
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-04 21:17
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-04 21:17
Reported
2024-11-04 21:18
Platform
win7-20240903-en
Max time kernel
19s
Max time network
16s
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\rundll32.exe | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE |
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 |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
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 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 |
| 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 1908 wrote to memory of 2712 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.exe |
| PID 1908 wrote to memory of 2712 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.exe |
| PID 1908 wrote to memory of 2712 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.exe |
| PID 1908 wrote to memory of 2712 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.exe |
| PID 1908 wrote to memory of 2712 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.exe |
| PID 1908 wrote to memory of 2712 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.exe |
| PID 1908 wrote to memory of 2712 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.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\5df57a9c8b00ce154f96d692a10f74b3ca3827a62f598c1b502e0a58222c83bf.xls
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\YtpEndc.txt,DllRegisterServer
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | syracuse.best | udp |
| US | 8.8.8.8:53 | skill.fashion | udp |
Files
memory/1908-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/1908-1-0x00000000725ED000-0x00000000725F8000-memory.dmp
memory/1908-2-0x00000000725ED000-0x00000000725F8000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-04 21:17
Reported
2024-11-04 21:18
Platform
win10v2004-20241007-en
Max time kernel
59s
Max time network
39s
Command Line
Signatures
Process spawned unexpected 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:\Windows\explorer.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 |
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 |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings | C:\Windows\explorer.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 |
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 3120 wrote to memory of 2112 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\explorer.exe |
| PID 3120 wrote to memory of 2112 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\explorer.exe |
| PID 2692 wrote to memory of 2740 | N/A | C:\Windows\explorer.exe | C:\Windows\System32\WScript.exe |
| PID 2692 wrote to memory of 2740 | N/A | C:\Windows\explorer.exe | C:\Windows\System32\WScript.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\5df57a9c8b00ce154f96d692a10f74b3ca3827a62f598c1b502e0a58222c83bf.xls"
C:\Windows\explorer.exe
explorer.exe C:\Users\Public\Documents\O53rO16r.vbs
C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Public\Documents\O53rO16r.vbs"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | roaming.officeapps.live.com | udp |
| US | 8.8.8.8:53 | 240.76.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 94.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | syracuse.best | udp |
| NL | 52.109.89.19:443 | roaming.officeapps.live.com | tcp |
| US | 8.8.8.8:53 | 19.89.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.173.79.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
Files
memory/3120-3-0x00007FFCA82F0000-0x00007FFCA8300000-memory.dmp
memory/3120-0-0x00007FFCA82F0000-0x00007FFCA8300000-memory.dmp
memory/3120-1-0x00007FFCE830D000-0x00007FFCE830E000-memory.dmp
memory/3120-2-0x00007FFCA82F0000-0x00007FFCA8300000-memory.dmp
memory/3120-6-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp
memory/3120-7-0x00007FFCA82F0000-0x00007FFCA8300000-memory.dmp
memory/3120-8-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp
memory/3120-5-0x00007FFCA82F0000-0x00007FFCA8300000-memory.dmp
memory/3120-10-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp
memory/3120-9-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp
memory/3120-11-0x00007FFCA6070000-0x00007FFCA6080000-memory.dmp
memory/3120-12-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp
memory/3120-4-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp
memory/3120-14-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp
memory/3120-15-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp
memory/3120-13-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp
memory/3120-19-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp
memory/3120-18-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp
memory/3120-20-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp
memory/3120-17-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp
memory/3120-16-0x00007FFCA6070000-0x00007FFCA6080000-memory.dmp
C:\Users\Public\Documents\O53rO16r.vbs
| MD5 | b5cd0305f7202c466cf23cbd5ead1b72 |
| SHA1 | 393359f3c8d1b7c6ae7cf3d8a7bf230fca6b41c8 |
| SHA256 | ab3b76b533f1f052fffface021efb869e02fb7c0cd0e7aff997aeae35ea58e8a |
| SHA512 | 3dcbe96b86a3f6f59970f437b41606aa67df995c7daa212658855fd289eb522ab97f111d34cec2f0e25e2e0153da3a06515e9a3d124a26c09cd183f913514fb9 |
memory/3120-32-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp
memory/3120-33-0x00007FFCE830D000-0x00007FFCE830E000-memory.dmp
memory/3120-34-0x00007FFCE8270000-0x00007FFCE8465000-memory.dmp