Analysis Overview
SHA256
38e2585c7b534432ae59660f16f819a1a730f5d46d72988958f1f36b142b5a0e
Threat Level: Known bad
The file 58bd8b77b4fcae2fb89ddaad5ca7be60 was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Suspicious Office macro
Modifies Internet Explorer settings
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
Views/modifies file attributes
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-26 06:10
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-26 06:10
Reported
2023-12-27 10:09
Platform
win7-20231215-en
Max time kernel
1s
Max time network
126s
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 |
| Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process | N/A | C:\Windows\SysWOW64\wscript.exe | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Internet Explorer\Toolbar | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\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\58bd8b77b4fcae2fb89ddaad5ca7be60.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"
C:\Windows\SysWOW64\wscript.exe
"C:\Windows\System32\wscript.exe" E:\KK\58bd8b77b4fcae2fb89ddaad5ca7be60_Search.vbs
Network
Files
memory/2408-1-0x0000000072D4D000-0x0000000072D58000-memory.dmp
memory/2408-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/2408-2-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-4-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-6-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-10-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-15-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-25-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-30-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-31-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-29-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-33-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-32-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-56-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-55-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-28-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-80-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-27-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-26-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-103-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-24-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-23-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-22-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-21-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-19-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-125-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-20-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-18-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-17-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-16-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-163-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-14-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-172-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-13-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-12-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-196-0x0000000072D4D000-0x0000000072D58000-memory.dmp
memory/2408-198-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-11-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-9-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-220-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-8-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-7-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-242-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-5-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-3-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-270-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-290-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-338-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-360-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-387-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-388-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-389-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-390-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-391-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-392-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-393-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-394-0x0000000000290000-0x0000000000390000-memory.dmp
memory/2408-398-0x0000000072D4D000-0x0000000072D58000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-26 06:10
Reported
2023-12-27 10:10
Platform
win10v2004-20231215-en
Max time kernel
41s
Max time network
159s
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 |
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | 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 |
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 |
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\58bd8b77b4fcae2fb89ddaad5ca7be60.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\cmd.exe
C:\Windows\system32\cmd.exe /c Del /F /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 attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 84.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 46.28.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 16.53.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.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 |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| US | 2.17.5.133:80 | www.microsoft.com | tcp |
| US | 2.17.5.133:80 | www.microsoft.com | tcp |
| US | 8.8.8.8:53 | 133.5.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 253.15.104.51.in-addr.arpa | udp |
Files
memory/4540-0-0x00007FFF58A70000-0x00007FFF58A80000-memory.dmp
memory/4540-1-0x00007FFF58A70000-0x00007FFF58A80000-memory.dmp
memory/4540-3-0x00007FFF58A70000-0x00007FFF58A80000-memory.dmp
memory/4540-5-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp
memory/4540-4-0x00007FFF58A70000-0x00007FFF58A80000-memory.dmp
memory/4540-2-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp
memory/4540-6-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp
memory/4540-9-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp
memory/4540-10-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp
memory/4540-8-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp
memory/4540-13-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp
memory/4540-16-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp
memory/4540-17-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp
memory/4540-18-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp
memory/4540-19-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp
memory/4540-21-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp
memory/4540-23-0x00007FFF56140000-0x00007FFF56150000-memory.dmp
memory/4540-22-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp
memory/4540-20-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp
memory/4540-15-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp
memory/4540-14-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp
memory/4540-12-0x00007FFF56140000-0x00007FFF56150000-memory.dmp
memory/4540-11-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp
memory/4540-7-0x00007FFF58A70000-0x00007FFF58A80000-memory.dmp
memory/4540-27-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp
memory/4540-44-0x0000022488FE0000-0x00000224897E0000-memory.dmp
memory/4540-47-0x0000022488FE0000-0x00000224897E0000-memory.dmp
memory/4540-52-0x000002248E4D0000-0x000002248F4A0000-memory.dmp
memory/4540-57-0x000002248E4D0000-0x000002248F4A0000-memory.dmp
memory/4540-60-0x000002248E4D0000-0x000002248F4A0000-memory.dmp
memory/4540-61-0x000002248E4D0000-0x000002248F4A0000-memory.dmp
memory/4540-62-0x000002248E4D0000-0x000002248F4A0000-memory.dmp
memory/4540-65-0x000002248E4D0000-0x000002248F4A0000-memory.dmp
memory/4540-73-0x000002248E4D0000-0x000002248F4A0000-memory.dmp
memory/4540-76-0x000002248E4D0000-0x000002248F4A0000-memory.dmp
memory/4540-80-0x0000022488FE0000-0x00000224897E0000-memory.dmp
memory/4540-85-0x000002248E4D0000-0x000002248F4A0000-memory.dmp
memory/4540-91-0x000002248E4D0000-0x000002248F4A0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\58bd8b77b4fcae2fb89ddaad5ca7be60.xls
| MD5 | 6fd9063350884af7ca43d3c5eb6380fd |
| SHA1 | 2b2bdd25b94279b6387cf3bbb4e7cdca128903d9 |
| SHA256 | 0e677f456638fb5d99d100c9171eda168a8a0dcea91b8be04353e7f22bbc6e92 |
| SHA512 | 9025fdd49fa1ed17d0e351182ba8593b2334c863be26ad883b95f0e82ee6298db71bc97cf76966788888bfa4a93752613c50a63235f3916b32205b8f06c2e8b4 |
memory/4540-116-0x0000022488FE0000-0x00000224897E0000-memory.dmp
memory/4540-117-0x0000022488FE0000-0x00000224897E0000-memory.dmp
memory/4540-118-0x000002248E4D0000-0x000002248F4A0000-memory.dmp
memory/4540-121-0x000002248E4D0000-0x000002248F4A0000-memory.dmp
memory/4540-122-0x000002248E4D0000-0x000002248F4A0000-memory.dmp
memory/4540-123-0x000002248E4D0000-0x000002248F4A0000-memory.dmp
memory/4540-124-0x000002248E4D0000-0x000002248F4A0000-memory.dmp
memory/4540-125-0x0000022488FE0000-0x00000224897E0000-memory.dmp
memory/4540-126-0x000002248E4D0000-0x000002248F4A0000-memory.dmp
memory/4540-145-0x00007FFF989F0000-0x00007FFF98BE5000-memory.dmp
memory/4540-144-0x00007FFF58A70000-0x00007FFF58A80000-memory.dmp
memory/4540-143-0x00007FFF58A70000-0x00007FFF58A80000-memory.dmp
memory/4540-142-0x00007FFF58A70000-0x00007FFF58A80000-memory.dmp
memory/4540-141-0x00007FFF58A70000-0x00007FFF58A80000-memory.dmp