Analysis Overview
SHA256
55a0b4992d4b6721998ac92e3cc4fa9b3384c71edf0e12cabb666359c654516d
Threat Level: Known bad
The file 29a5ee5c62d2a1b6288ccd499d020f2d was found to be: Known bad.
Malicious Activity Summary
Process spawned unexpected child process
Process spawned suspicious child process
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-31 05:16
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-31 05:16
Reported
2024-01-02 07:33
Platform
win7-20231215-en
Max time kernel
0s
Max time network
118s
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\wscript.exe | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Toolbar | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.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\29a5ee5c62d2a1b6288ccd499d020f2d.xlsm
C:\Windows\SysWOW64\wscript.exe
wscript C:\zer\spp.vbs
Network
| Country | Destination | Domain | Proto |
| NL | 46.17.98.187:80 | tcp | |
| NL | 46.17.98.187:80 | tcp | |
| US | 8.8.8.8:53 | google.com | udp |
| GB | 216.58.212.238:80 | google.com | tcp |
Files
memory/1520-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/1520-1-0x0000000071D1D000-0x0000000071D28000-memory.dmp
memory/1520-2-0x0000000071D1D000-0x0000000071D28000-memory.dmp
memory/1520-5-0x0000000071D1D000-0x0000000071D28000-memory.dmp
memory/1520-4-0x000000005FFF0000-0x0000000060000000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-31 05:16
Reported
2024-01-02 07:33
Platform
win10v2004-20231215-en
Max time kernel
155s
Max time network
168s
Command Line
Signatures
Process spawned suspicious 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:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.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:\Windows\system32\dwwin.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\system32\dwwin.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\system32\dwwin.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Windows\system32\dwwin.exe | N/A |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Windows\system32\dwwin.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 behavior: EnumeratesProcesses
| 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 |
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 1428 wrote to memory of 5100 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE |
| PID 1428 wrote to memory of 5100 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE |
| PID 5100 wrote to memory of 4844 | N/A | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE | C:\Windows\system32\dwwin.exe |
| PID 5100 wrote to memory of 4844 | N/A | C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE | C:\Windows\system32\dwwin.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\29a5ee5c62d2a1b6288ccd499d020f2d.xlsm"
C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE
"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 3936
C:\Windows\system32\dwwin.exe
C:\Windows\system32\dwwin.exe -x -s 3936
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 19.53.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.76.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.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 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 174.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 35.197.79.40.in-addr.arpa | udp |
Files
memory/1428-0-0x00007FFE3D8B0000-0x00007FFE3D8C0000-memory.dmp
memory/1428-1-0x00007FFE3D8B0000-0x00007FFE3D8C0000-memory.dmp
memory/1428-2-0x00007FFE3D8B0000-0x00007FFE3D8C0000-memory.dmp
memory/1428-3-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/1428-4-0x00007FFE3D8B0000-0x00007FFE3D8C0000-memory.dmp
memory/1428-5-0x00007FFE3D8B0000-0x00007FFE3D8C0000-memory.dmp
memory/1428-6-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/1428-7-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/1428-9-0x00007FFE3B850000-0x00007FFE3B860000-memory.dmp
memory/1428-8-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/1428-10-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/1428-12-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/1428-14-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/1428-17-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/1428-18-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/1428-19-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/1428-21-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/1428-22-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/1428-20-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/1428-16-0x00007FFE3B850000-0x00007FFE3B860000-memory.dmp
memory/1428-15-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/1428-13-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/1428-11-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/5100-28-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/5100-29-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/5100-32-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/5100-33-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/5100-31-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/5100-26-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/1428-38-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/5100-42-0x00007FFE3D8B0000-0x00007FFE3D8C0000-memory.dmp
memory/5100-46-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/5100-45-0x00007FFE7D830000-0x00007FFE7DA25000-memory.dmp
memory/5100-44-0x00007FFE3D8B0000-0x00007FFE3D8C0000-memory.dmp
memory/5100-43-0x00007FFE3D8B0000-0x00007FFE3D8C0000-memory.dmp
memory/5100-41-0x00007FFE3D8B0000-0x00007FFE3D8C0000-memory.dmp