Analysis Overview
SHA256
0fb25193a2b48f9720ff5ee25da5355c54a3a805e1401d96b6de4c870dbbd3b8
Threat Level: Known bad
The file 0fb25193a2b48f9720ff5ee25da5355c54a3a805e1401d96b6de4c870dbbd3b8 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
Modifies registry class
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Checks processor information in registry
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-04 22:13
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-04 22:13
Reported
2024-09-04 22:14
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 2956 wrote to memory of 2792 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.exe |
| PID 2956 wrote to memory of 2792 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.exe |
| PID 2956 wrote to memory of 2792 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.exe |
| PID 2956 wrote to memory of 2792 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.exe |
| PID 2956 wrote to memory of 2792 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.exe |
| PID 2956 wrote to memory of 2792 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWOW64\rundll32.exe |
| PID 2956 wrote to memory of 2792 | 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\0fb25193a2b48f9720ff5ee25da5355c54a3a805e1401d96b6de4c870dbbd3b8.xls
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\oPzLk7B.txt,DllRegisterServer
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | markens.online | udp |
Files
memory/2956-1-0x000000007298D000-0x0000000072998000-memory.dmp
memory/2956-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/2956-2-0x000000007298D000-0x0000000072998000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-04 22:13
Reported
2024-09-04 22:14
Platform
win10v2004-20240802-en
Max time kernel
59s
Max time network
56s
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-1-5-21-2170637797-568393320-3232933035-1000_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 2408 wrote to memory of 1336 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\explorer.exe |
| PID 2408 wrote to memory of 1336 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\explorer.exe |
| PID 4200 wrote to memory of 5088 | N/A | C:\Windows\explorer.exe | C:\Windows\System32\WScript.exe |
| PID 4200 wrote to memory of 5088 | 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\0fb25193a2b48f9720ff5ee25da5355c54a3a805e1401d96b6de4c870dbbd3b8.xls"
C:\Windows\explorer.exe
explorer.exe C:\Users\Public\Documents\KLi.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\KLi.vbs"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1996,i,5469445176230119590,7931734017267321834,262144 --variations-seed-version --mojo-platform-channel-handle=3984 /prefetch:8
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 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.89.109.52.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 | 19.89.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | markens.online | udp |
| US | 8.8.8.8:53 | 8.179.89.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.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/2408-0-0x00007FFC52F10000-0x00007FFC52F20000-memory.dmp
memory/2408-1-0x00007FFC92F2D000-0x00007FFC92F2E000-memory.dmp
memory/2408-3-0x00007FFC52F10000-0x00007FFC52F20000-memory.dmp
memory/2408-2-0x00007FFC52F10000-0x00007FFC52F20000-memory.dmp
memory/2408-5-0x00007FFC52F10000-0x00007FFC52F20000-memory.dmp
memory/2408-4-0x00007FFC52F10000-0x00007FFC52F20000-memory.dmp
memory/2408-8-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp
memory/2408-10-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp
memory/2408-11-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp
memory/2408-12-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp
memory/2408-13-0x00007FFC505B0000-0x00007FFC505C0000-memory.dmp
memory/2408-9-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp
memory/2408-7-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp
memory/2408-15-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp
memory/2408-17-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp
memory/2408-18-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp
memory/2408-20-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp
memory/2408-19-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp
memory/2408-16-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp
memory/2408-14-0x00007FFC505B0000-0x00007FFC505C0000-memory.dmp
memory/2408-6-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp
C:\Users\Public\Documents\KLi.vbs
| MD5 | 84cf91be20b674976ab80f4373b052eb |
| SHA1 | 72567e3f1d76d88c3c06b4499618497fc66cc6f2 |
| SHA256 | f84804510e754a81b90a447569b2f78c8869658395afad3b8089bdcb4049561c |
| SHA512 | 8597c90704438723c87326c2637592e93e66c461bd23d20c05431f6941f5ddb24cc88a25d46a2f2e5f05efe74d2e63910843abefdf2533aed6182ce7eda7f8f9 |
memory/2408-40-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp
memory/2408-41-0x00007FFC92F2D000-0x00007FFC92F2E000-memory.dmp
memory/2408-42-0x00007FFC92E90000-0x00007FFC93085000-memory.dmp