Analysis Overview
SHA256
91f627a8e50994868cd19b1a01a258b9d008d0305064e07cbb4bc633b01338e4
Threat Level: Known bad
The file 91f627a8e50994868cd19b1a01a258b9d008d0305064e07cbb4bc633b01338e4 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
Checks processor information in registry
Suspicious use of FindShellTrayWindow
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-11 21:13
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-11 21:13
Reported
2024-11-11 21:15
Platform
win7-20241010-en
Max time kernel
121s
Max time network
125s
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\regsvr32.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\regsvr32.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 |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2024 wrote to memory of 3000 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 2024 wrote to memory of 3000 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 2024 wrote to memory of 3000 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 2024 wrote to memory of 3000 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 2024 wrote to memory of 3000 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 2024 wrote to memory of 3000 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 2024 wrote to memory of 3000 | N/A | C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.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\91f627a8e50994868cd19b1a01a258b9d008d0305064e07cbb4bc633b01338e4.xlsm
C:\Windows\SysWow64\regsvr32.exe
C:\Windows\SysWow64\regsvr32.exe -s ..\wnru.ocx
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ausnz.net | udp |
| US | 192.96.209.82:443 | ausnz.net | tcp |
| US | 8.8.8.8:53 | belisip.net | udp |
| ID | 158.140.185.205:443 | belisip.net | tcp |
| US | 8.8.8.8:53 | blog.centerking.top | udp |
| US | 8.8.8.8:53 | edu-media.cn | udp |
| CN | 123.56.83.149:443 | edu-media.cn | tcp |
| US | 8.8.8.8:53 | ppiabanyuwangi.or.id | udp |
| SG | 194.163.35.114:443 | ppiabanyuwangi.or.id | tcp |
| US | 8.8.8.8:53 | lydt.cc | udp |
| CN | 120.78.143.193:443 | lydt.cc | tcp |
| US | 8.8.8.8:53 | acerestoration.co.za | udp |
| ZA | 41.203.18.35:443 | acerestoration.co.za | tcp |
| US | 8.8.8.8:53 | r11.o.lencr.org | udp |
| GB | 2.23.210.82:80 | r11.o.lencr.org | tcp |
Files
memory/2024-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
memory/2024-1-0x00000000722DD000-0x00000000722E8000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\4C2ECAC2A38B0FA642F6D8FBD8353762
| MD5 | 5bfa51f3a417b98e7443eca90fc94703 |
| SHA1 | 8c015d80b8a23f780bdd215dc842b0f5551f63bd |
| SHA256 | bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128 |
| SHA512 | 4cd03686254bb28754cbaa635ae1264723e2be80ce1dd0f78d1ab7aee72232f5b285f79e488e9c5c49ff343015bd07bb8433d6cee08ae3cea8c317303e3ac399 |
memory/2024-23-0x00000000722DD000-0x00000000722E8000-memory.dmp
C:\Users\Admin\wnru.ocx
| MD5 | 8f7afabccec4bec42d5bf041dc45f7e5 |
| SHA1 | 614359b31a2cdf02be8a12b0254f91171c32ba54 |
| SHA256 | ff0b128a0d1f6385dc4d265684b760d92be853e938e8e2e1aed3f120a5541933 |
| SHA512 | 2b2e9b09d61e356cd569e097e2da2191e854590364141ad5f6d99c0a0910caa271100b26efa1457c8bd30cf4e82f54ed6fa6aa4d3fd0c0eccfd202bcc6bc4853 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-11 21:13
Reported
2024-11-11 21:15
Platform
win10v2004-20241007-en
Max time kernel
128s
Max time network
138s
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\SysWow64\regsvr32.exe | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWow64\regsvr32.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 |
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 |
| 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 |
| 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 3392 wrote to memory of 340 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 3392 wrote to memory of 340 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.exe |
| PID 3392 wrote to memory of 340 | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | C:\Windows\SysWow64\regsvr32.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\91f627a8e50994868cd19b1a01a258b9d008d0305064e07cbb4bc633b01338e4.xlsm"
C:\Windows\SysWow64\regsvr32.exe
C:\Windows\SysWow64\regsvr32.exe -s ..\wnru.ocx
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 | roaming.officeapps.live.com | udp |
| GB | 52.109.28.47:443 | roaming.officeapps.live.com | tcp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 46.28.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ausnz.net | udp |
| US | 192.96.209.82:443 | ausnz.net | tcp |
| US | 8.8.8.8:53 | belisip.net | udp |
| US | 8.8.8.8:53 | 82.209.96.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.169.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 47.28.109.52.in-addr.arpa | udp |
| ID | 158.140.185.205:443 | belisip.net | tcp |
| US | 8.8.8.8:53 | 205.185.140.158.in-addr.arpa | udp |
| US | 8.8.8.8:53 | blog.centerking.top | udp |
| US | 8.8.8.8:53 | 82.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | edu-media.cn | udp |
| CN | 123.56.83.149:443 | edu-media.cn | tcp |
| US | 8.8.8.8:53 | 12.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ppiabanyuwangi.or.id | udp |
| SG | 194.163.35.114:443 | ppiabanyuwangi.or.id | tcp |
| US | 8.8.8.8:53 | 114.35.163.194.in-addr.arpa | udp |
| US | 8.8.8.8:53 | lydt.cc | udp |
| CN | 120.78.143.193:443 | lydt.cc | tcp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 27.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | acerestoration.co.za | udp |
| ZA | 41.203.18.35:443 | acerestoration.co.za | tcp |
| US | 8.8.8.8:53 | r11.o.lencr.org | udp |
| GB | 2.23.210.75:80 | r11.o.lencr.org | tcp |
| US | 8.8.8.8:53 | 35.18.203.41.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.209.201.84.in-addr.arpa | udp |
Files
memory/3392-5-0x00007FFACC9F0000-0x00007FFACCA00000-memory.dmp
memory/3392-13-0x00007FFACA700000-0x00007FFACA710000-memory.dmp
memory/3392-15-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp
memory/3392-20-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp
memory/3392-19-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp
memory/3392-21-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp
memory/3392-22-0x00007FFACA700000-0x00007FFACA710000-memory.dmp
memory/3392-18-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp
memory/3392-17-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp
memory/3392-16-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp
memory/3392-14-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp
memory/3392-12-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp
memory/3392-11-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp
memory/3392-10-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp
memory/3392-9-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp
memory/3392-8-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp
memory/3392-7-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp
memory/3392-6-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp
memory/3392-4-0x00007FFACC9F0000-0x00007FFACCA00000-memory.dmp
memory/3392-3-0x00007FFACC9F0000-0x00007FFACCA00000-memory.dmp
memory/3392-2-0x00007FFACC9F0000-0x00007FFACCA00000-memory.dmp
memory/3392-1-0x00007FFB0CA0D000-0x00007FFB0CA0E000-memory.dmp
memory/3392-0-0x00007FFACC9F0000-0x00007FFACCA00000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\4C2ECAC2A38B0FA642F6D8FBD8353762
| MD5 | 5bfa51f3a417b98e7443eca90fc94703 |
| SHA1 | 8c015d80b8a23f780bdd215dc842b0f5551f63bd |
| SHA256 | bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128 |
| SHA512 | 4cd03686254bb28754cbaa635ae1264723e2be80ce1dd0f78d1ab7aee72232f5b285f79e488e9c5c49ff343015bd07bb8433d6cee08ae3cea8c317303e3ac399 |
memory/3392-48-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp
memory/3392-49-0x00007FFB0CA0D000-0x00007FFB0CA0E000-memory.dmp
memory/3392-50-0x00007FFB0C970000-0x00007FFB0CB65000-memory.dmp
C:\Users\Admin\wnru.ocx
| MD5 | 8f7afabccec4bec42d5bf041dc45f7e5 |
| SHA1 | 614359b31a2cdf02be8a12b0254f91171c32ba54 |
| SHA256 | ff0b128a0d1f6385dc4d265684b760d92be853e938e8e2e1aed3f120a5541933 |
| SHA512 | 2b2e9b09d61e356cd569e097e2da2191e854590364141ad5f6d99c0a0910caa271100b26efa1457c8bd30cf4e82f54ed6fa6aa4d3fd0c0eccfd202bcc6bc4853 |