Analysis Overview
SHA256
c5a2c876c7f5d78801825f71e6dbe0145d6f9967a8c1930d01cf2336f45ffa1b
Threat Level: Known bad
The file c5a2c876c7f5d78801825f71e6dbe0145d6f9967a8c1930d01cf2336f45ffa1b was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Suspicious Office macro
System Location Discovery: System Language Discovery
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-04 22:09
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-04 22:09
Reported
2024-09-04 22:10
Platform
win7-20240729-en
Max time kernel
16s
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 2380 wrote to memory of 2444 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.exe |
| PID 2380 wrote to memory of 2444 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.exe |
| PID 2380 wrote to memory of 2444 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.exe |
| PID 2380 wrote to memory of 2444 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.exe |
| PID 2380 wrote to memory of 2444 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.exe |
| PID 2380 wrote to memory of 2444 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.exe |
| PID 2380 wrote to memory of 2444 | 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\c5a2c876c7f5d78801825f71e6dbe0145d6f9967a8c1930d01cf2336f45ffa1b.xls
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\EHhoTRQN.txt,DllRegisterServer
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | markens.online | udp |
| 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 |
Files
memory/2380-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/2380-1-0x0000000072AFD000-0x0000000072B08000-memory.dmp
memory/2380-2-0x0000000072AFD000-0x0000000072B08000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-04 22:09
Reported
2024-09-04 22:10
Platform
win10v2004-20240802-en
Max time kernel
59s
Max time network
34s
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 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 |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000_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 2404 wrote to memory of 2016 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\explorer.exe |
| PID 2404 wrote to memory of 2016 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\explorer.exe |
| PID 1292 wrote to memory of 4552 | N/A | C:\Windows\explorer.exe | C:\Windows\System32\WScript.exe |
| PID 1292 wrote to memory of 4552 | 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\c5a2c876c7f5d78801825f71e6dbe0145d6f9967a8c1930d01cf2336f45ffa1b.xls"
C:\Windows\explorer.exe
explorer.exe C:\Users\Public\Documents\NB127.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\NB127.vbs"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | roaming.officeapps.live.com | udp |
| GB | 52.109.32.7:443 | roaming.officeapps.live.com | tcp |
| US | 8.8.8.8:53 | 18.89.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 7.32.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | markens.online | udp |
| US | 8.8.8.8:53 | 175.117.168.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
Files
memory/2404-1-0x00007FFD9E1AD000-0x00007FFD9E1AE000-memory.dmp
memory/2404-0-0x00007FFD5E190000-0x00007FFD5E1A0000-memory.dmp
memory/2404-3-0x00007FFD5E190000-0x00007FFD5E1A0000-memory.dmp
memory/2404-2-0x00007FFD5E190000-0x00007FFD5E1A0000-memory.dmp
memory/2404-10-0x00007FFD9E110000-0x00007FFD9E305000-memory.dmp
memory/2404-4-0x00007FFD5E190000-0x00007FFD5E1A0000-memory.dmp
memory/2404-9-0x00007FFD9E110000-0x00007FFD9E305000-memory.dmp
memory/2404-12-0x00007FFD9E110000-0x00007FFD9E305000-memory.dmp
memory/2404-11-0x00007FFD9E110000-0x00007FFD9E305000-memory.dmp
memory/2404-13-0x00007FFD5BB50000-0x00007FFD5BB60000-memory.dmp
memory/2404-14-0x00007FFD9E110000-0x00007FFD9E305000-memory.dmp
memory/2404-15-0x00007FFD5BB50000-0x00007FFD5BB60000-memory.dmp
memory/2404-8-0x00007FFD9E110000-0x00007FFD9E305000-memory.dmp
memory/2404-18-0x00007FFD9E110000-0x00007FFD9E305000-memory.dmp
memory/2404-17-0x00007FFD9E110000-0x00007FFD9E305000-memory.dmp
memory/2404-20-0x00007FFD9E110000-0x00007FFD9E305000-memory.dmp
memory/2404-21-0x00007FFD9E110000-0x00007FFD9E305000-memory.dmp
memory/2404-23-0x00007FFD9E110000-0x00007FFD9E305000-memory.dmp
memory/2404-22-0x00007FFD9E110000-0x00007FFD9E305000-memory.dmp
memory/2404-19-0x00007FFD9E110000-0x00007FFD9E305000-memory.dmp
memory/2404-16-0x00007FFD9E110000-0x00007FFD9E305000-memory.dmp
memory/2404-7-0x00007FFD9E110000-0x00007FFD9E305000-memory.dmp
memory/2404-6-0x00007FFD9E110000-0x00007FFD9E305000-memory.dmp
memory/2404-5-0x00007FFD5E190000-0x00007FFD5E1A0000-memory.dmp
C:\Users\Public\Documents\NB127.vbs
| MD5 | 33808777eb2b9ed582ba7fdc79781e9c |
| SHA1 | bdb5f3b64701de05ef0abfdf4632369d7ab81df4 |
| SHA256 | 45d6efc5d51f8e67751f8e6c03eddb3dd6e1685691977d136d484fa146f679d0 |
| SHA512 | e8bd296488e5c2a3a2eccde2cdb71fea1da49aae5b679a992d70b69c9904cf5b2500408f9ef4bddc938a47cfac53a207b9a7248776d93882a04abd30e210940f |
memory/2404-35-0x00007FFD9E110000-0x00007FFD9E305000-memory.dmp
memory/2404-36-0x00007FFD9E1AD000-0x00007FFD9E1AE000-memory.dmp
memory/2404-37-0x00007FFD9E110000-0x00007FFD9E305000-memory.dmp
memory/2404-41-0x00007FFD9E110000-0x00007FFD9E305000-memory.dmp