Analysis Overview
SHA256
cf21083a9520752fc79b15e5bbc932dbbef4828ef0299180551e147395c2c6ef
Threat Level: Known bad
The file cf21083a9520752fc79b15e5bbc932dbbef4828ef0299180551e147395c2c6ef 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
Suspicious use of FindShellTrayWindow
Enumerates system info in registry
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-04 22:15
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-04 22:15
Reported
2024-09-04 22:16
Platform
win7-20240903-en
Max time kernel
19s
Max time network
18s
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:\Windows\SysWOW64\rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.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 1688 wrote to memory of 3048 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.exe |
| PID 1688 wrote to memory of 3048 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.exe |
| PID 1688 wrote to memory of 3048 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.exe |
| PID 1688 wrote to memory of 3048 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.exe |
| PID 1688 wrote to memory of 3048 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.exe |
| PID 1688 wrote to memory of 3048 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.exe |
| PID 1688 wrote to memory of 3048 | 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\cf21083a9520752fc79b15e5bbc932dbbef4828ef0299180551e147395c2c6ef.xls
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\mTuI.txt,DllRegisterServer
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | statedauto.com | udp |
| US | 34.202.219.172:443 | statedauto.com | tcp |
| US | 54.208.224.251:443 | statedauto.com | tcp |
| US | 8.8.8.8:53 | markens.online | udp |
Files
memory/1688-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/1688-1-0x0000000071F4D000-0x0000000071F58000-memory.dmp
memory/1688-2-0x0000000071F4D000-0x0000000071F58000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-04 22:15
Reported
2024-09-04 22:16
Platform
win10v2004-20240802-en
Max time kernel
59s
Max time network
33s
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 |
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WScript.exe | N/A |
| N/A | N/A | C:\Windows\System32\WScript.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 |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_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 2096 wrote to memory of 4544 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\explorer.exe |
| PID 2096 wrote to memory of 4544 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\explorer.exe |
| PID 3064 wrote to memory of 1372 | N/A | C:\Windows\explorer.exe | C:\Windows\System32\WScript.exe |
| PID 3064 wrote to memory of 1372 | 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\cf21083a9520752fc79b15e5bbc932dbbef4828ef0299180551e147395c2c6ef.xls"
C:\Windows\explorer.exe
explorer.exe C:\Users\Public\Documents\aMv.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\aMv.vbs"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | roaming.officeapps.live.com | udp |
| GB | 52.109.28.47:443 | roaming.officeapps.live.com | tcp |
| US | 8.8.8.8:53 | 240.76.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 47.28.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | statedauto.com | udp |
| US | 54.208.224.251:443 | statedauto.com | tcp |
| US | 34.202.219.172:443 | statedauto.com | tcp |
| US | 8.8.8.8:53 | 123.10.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
Files
memory/2096-3-0x00007FFB65A90000-0x00007FFB65AA0000-memory.dmp
memory/2096-4-0x00007FFB65A90000-0x00007FFB65AA0000-memory.dmp
memory/2096-2-0x00007FFB65A90000-0x00007FFB65AA0000-memory.dmp
memory/2096-1-0x00007FFB65A90000-0x00007FFB65AA0000-memory.dmp
memory/2096-0-0x00007FFBA5AAD000-0x00007FFBA5AAE000-memory.dmp
memory/2096-7-0x00007FFB65A90000-0x00007FFB65AA0000-memory.dmp
memory/2096-12-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-13-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-11-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-14-0x00007FFB633D0000-0x00007FFB633E0000-memory.dmp
memory/2096-16-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-15-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-18-0x00007FFB633D0000-0x00007FFB633E0000-memory.dmp
memory/2096-17-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-10-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-9-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-8-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-6-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-5-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
C:\Users\Public\Documents\aMv.vbs
| MD5 | e11baa18fd0e452d849b4018707feb84 |
| SHA1 | 38c785ce317c8cd17adaf3d1a60cca5f59ffe596 |
| SHA256 | adffabbc135bd0726a3e7865b3d2312d063086e70e02c041991722a842e13578 |
| SHA512 | b1b0ba6a44c5d3eea035ece368d9fa612e35554b788381330302159d77d0b7da277b90d143445bfa7c115b7fa17e0b64942e1588a9665f4377e7be6bcdfaac2c |
memory/2096-32-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp
memory/2096-33-0x00007FFBA5AAD000-0x00007FFBA5AAE000-memory.dmp
memory/2096-34-0x00007FFBA5A10000-0x00007FFBA5C05000-memory.dmp