Analysis Overview
SHA256
4e47cc8c73d962cf2fbf4894c897a95cd7b5f32c792984eeb92513eb3d12b9ba
Threat Level: Known bad
The file 4e47cc8c73d962cf2fbf4894c897a95cd7b5f32c792984eeb92513eb3d12b9ba.exe was found to be: Known bad.
Malicious Activity Summary
Detects Grandoreiro payload
Grandoreiro family
Unsigned PE
Program crash
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-20 12:02
Signatures
Detects Grandoreiro payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Grandoreiro family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-20 12:02
Reported
2024-11-20 12:05
Platform
win7-20240903-en
Max time kernel
117s
Max time network
120s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\4e47cc8c73d962cf2fbf4894c897a95cd7b5f32c792984eeb92513eb3d12b9ba.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\4e47cc8c73d962cf2fbf4894c897a95cd7b5f32c792984eeb92513eb3d12b9ba.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2080 wrote to memory of 2640 | N/A | C:\Users\Admin\AppData\Local\Temp\4e47cc8c73d962cf2fbf4894c897a95cd7b5f32c792984eeb92513eb3d12b9ba.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2080 wrote to memory of 2640 | N/A | C:\Users\Admin\AppData\Local\Temp\4e47cc8c73d962cf2fbf4894c897a95cd7b5f32c792984eeb92513eb3d12b9ba.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2080 wrote to memory of 2640 | N/A | C:\Users\Admin\AppData\Local\Temp\4e47cc8c73d962cf2fbf4894c897a95cd7b5f32c792984eeb92513eb3d12b9ba.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2080 wrote to memory of 2640 | N/A | C:\Users\Admin\AppData\Local\Temp\4e47cc8c73d962cf2fbf4894c897a95cd7b5f32c792984eeb92513eb3d12b9ba.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\4e47cc8c73d962cf2fbf4894c897a95cd7b5f32c792984eeb92513eb3d12b9ba.exe
"C:\Users\Admin\AppData\Local\Temp\4e47cc8c73d962cf2fbf4894c897a95cd7b5f32c792984eeb92513eb3d12b9ba.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 256
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-20 12:02
Reported
2024-11-20 12:05
Platform
win10v2004-20241007-en
Max time kernel
91s
Max time network
139s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\4e47cc8c73d962cf2fbf4894c897a95cd7b5f32c792984eeb92513eb3d12b9ba.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\4e47cc8c73d962cf2fbf4894c897a95cd7b5f32c792984eeb92513eb3d12b9ba.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\4e47cc8c73d962cf2fbf4894c897a95cd7b5f32c792984eeb92513eb3d12b9ba.exe
"C:\Users\Admin\AppData\Local\Temp\4e47cc8c73d962cf2fbf4894c897a95cd7b5f32c792984eeb92513eb3d12b9ba.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3272 -ip 3272
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3272 -s 688
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 40.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| 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 | 50.139.73.23.in-addr.arpa | udp |