Analysis Overview
SHA256
de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21
Threat Level: Known bad
The file de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.dll.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
2024-11-08 16:51
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
2024-11-08 16:51
Reported
2024-11-08 16:53
Platform
win7-20240708-en
Max time kernel
119s
Max time network
122s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.dll.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\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.dll.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2380 wrote to memory of 2656 | N/A | C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.dll.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2380 wrote to memory of 2656 | N/A | C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.dll.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2380 wrote to memory of 2656 | N/A | C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.dll.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2380 wrote to memory of 2656 | N/A | C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.dll.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.dll.exe
"C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.dll.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 256
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-08 16:51
Reported
2024-11-08 16:53
Platform
win10v2004-20241007-en
Max time kernel
92s
Max time network
136s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.dll.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\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.dll.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.dll.exe
"C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.dll.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2688 -ip 2688
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2688 -s 684
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 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.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 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |