Analysis Overview
SHA256
58c0ea4a770bf33a1d3f359370e9fb7e4542d612f920bd6fd97570f16b7ab30d
Threat Level: Known bad
The file 4ee4f9d3e300160baa41695bd597a238 was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Suspicious Office macro
Deletes itself
Suspicious use of SetWindowsHookEx
Views/modifies file attributes
Enumerates system info in registry
NTFS ADS
Suspicious behavior: AddClipboardFormatListener
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-09 17:16
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-09 17:16
Reported
2024-01-09 17:18
Platform
win7-20231129-en
Max time kernel
0s
Max time network
122s
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 |
| 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 |
| 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 |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Toolbar | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\attrib.exe | N/A |
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\4ee4f9d3e300160baa41695bd597a238.xls
C:\Windows\SysWOW64\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
Network
Files
memory/2900-1-0x000000007281D000-0x0000000072828000-memory.dmp
memory/2900-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/2900-26-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-30-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-32-0x00000000062F0000-0x00000000063F0000-memory.dmp
memory/2900-31-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-54-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-29-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-79-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-28-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-103-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-27-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-25-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-127-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-24-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-148-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-169-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-195-0x000000007281D000-0x0000000072828000-memory.dmp
memory/2900-199-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-197-0x00000000062F0000-0x00000000063F0000-memory.dmp
memory/2900-221-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-244-0x00000000062F0000-0x00000000063F0000-memory.dmp
memory/2900-246-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-269-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-23-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-312-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-22-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-21-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-314-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-20-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-19-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-18-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-17-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-16-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-15-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-14-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-13-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-12-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-11-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-10-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-9-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-6-0x00000000062F0000-0x00000000063F0000-memory.dmp
memory/2900-342-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-343-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-344-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-345-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-346-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-347-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-348-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-349-0x0000000000650000-0x0000000000750000-memory.dmp
memory/2900-353-0x000000007281D000-0x0000000072828000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-09 17:16
Reported
2024-01-09 17:19
Platform
win10v2004-20231222-en
Max time kernel
139s
Max time network
130s
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 |
| 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 |
| 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 |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.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 |
NTFS ADS
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Local\Temp\DF575E00\:Zone.Identifier:$DATA | 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
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3648 wrote to memory of 4772 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\system32\cmd.exe |
| PID 3648 wrote to memory of 4772 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\system32\cmd.exe |
| PID 3648 wrote to memory of 2448 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\system32\cmd.exe |
| PID 3648 wrote to memory of 2448 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\system32\cmd.exe |
| PID 3648 wrote to memory of 3144 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\system32\cmd.exe |
| PID 3648 wrote to memory of 3144 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\system32\cmd.exe |
| PID 4772 wrote to memory of 4048 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\attrib.exe |
| PID 4772 wrote to memory of 4048 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\attrib.exe |
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\attrib.exe | N/A |
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\4ee4f9d3e300160baa41695bd597a238.xls"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 146.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 187.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 46.28.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 11.2.37.23.in-addr.arpa | udp |
| US | 13.107.21.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 7.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
Files
memory/3648-0-0x00007FF7C7FF0000-0x00007FF7C8000000-memory.dmp
memory/3648-2-0x00007FF807F70000-0x00007FF808165000-memory.dmp
memory/3648-1-0x00007FF7C7FF0000-0x00007FF7C8000000-memory.dmp
memory/3648-3-0x00007FF807F70000-0x00007FF808165000-memory.dmp
memory/3648-6-0x00007FF7C7FF0000-0x00007FF7C8000000-memory.dmp
memory/3648-7-0x00007FF807F70000-0x00007FF808165000-memory.dmp
memory/3648-11-0x00007FF807F70000-0x00007FF808165000-memory.dmp
memory/3648-12-0x00007FF807F70000-0x00007FF808165000-memory.dmp
memory/3648-18-0x00007FF807F70000-0x00007FF808165000-memory.dmp
memory/3648-17-0x00007FF807F70000-0x00007FF808165000-memory.dmp
memory/3648-21-0x00007FF807F70000-0x00007FF808165000-memory.dmp
memory/3648-22-0x00007FF807F70000-0x00007FF808165000-memory.dmp
memory/3648-23-0x00007FF807F70000-0x00007FF808165000-memory.dmp
memory/3648-20-0x00007FF7C5920000-0x00007FF7C5930000-memory.dmp
memory/3648-19-0x00007FF807F70000-0x00007FF808165000-memory.dmp
memory/3648-16-0x00007FF807F70000-0x00007FF808165000-memory.dmp
memory/3648-15-0x00007FF807F70000-0x00007FF808165000-memory.dmp
memory/3648-14-0x00007FF807F70000-0x00007FF808165000-memory.dmp
memory/3648-13-0x00007FF7C5920000-0x00007FF7C5930000-memory.dmp
memory/3648-10-0x00007FF807F70000-0x00007FF808165000-memory.dmp
memory/3648-9-0x00007FF807F70000-0x00007FF808165000-memory.dmp
memory/3648-8-0x00007FF7C7FF0000-0x00007FF7C8000000-memory.dmp
memory/3648-5-0x00007FF807F70000-0x00007FF808165000-memory.dmp
memory/3648-4-0x00007FF7C7FF0000-0x00007FF7C8000000-memory.dmp
memory/3648-30-0x000001F72B030000-0x000001F72B830000-memory.dmp
memory/3648-45-0x000001F72B030000-0x000001F72B830000-memory.dmp
memory/3648-48-0x000001F72B030000-0x000001F72B830000-memory.dmp
memory/3648-53-0x000001F72B030000-0x000001F72B830000-memory.dmp
memory/3648-54-0x000001F72B030000-0x000001F72B830000-memory.dmp
memory/3648-55-0x000001F730770000-0x000001F731740000-memory.dmp
memory/3648-56-0x000001F72B030000-0x000001F72B830000-memory.dmp
memory/3648-57-0x000001F730770000-0x000001F731740000-memory.dmp
memory/3648-51-0x000001F72B030000-0x000001F72B830000-memory.dmp
memory/3648-70-0x000001F72B030000-0x000001F72B830000-memory.dmp
memory/3648-109-0x00007FF807F70000-0x00007FF808165000-memory.dmp
memory/3648-113-0x00007FF807F70000-0x00007FF808165000-memory.dmp
memory/3648-116-0x00007FF807F70000-0x00007FF808165000-memory.dmp
memory/3648-118-0x000001F72B030000-0x000001F72B830000-memory.dmp
memory/3648-119-0x000001F72B030000-0x000001F72B830000-memory.dmp
memory/3648-117-0x000001F72B030000-0x000001F72B830000-memory.dmp
memory/3648-120-0x000001F72B030000-0x000001F72B830000-memory.dmp
memory/3648-121-0x000001F72B030000-0x000001F72B830000-memory.dmp
memory/3648-122-0x000001F730770000-0x000001F731740000-memory.dmp
memory/3648-123-0x000001F72B030000-0x000001F72B830000-memory.dmp
memory/3648-124-0x000001F730770000-0x000001F731740000-memory.dmp
memory/3648-125-0x000001F72B030000-0x000001F72B830000-memory.dmp
memory/3648-140-0x00007FF7C7FF0000-0x00007FF7C8000000-memory.dmp
memory/3648-141-0x00007FF7C7FF0000-0x00007FF7C8000000-memory.dmp
memory/3648-142-0x00007FF7C7FF0000-0x00007FF7C8000000-memory.dmp
memory/3648-143-0x00007FF7C7FF0000-0x00007FF7C8000000-memory.dmp
memory/3648-144-0x00007FF807F70000-0x00007FF808165000-memory.dmp