Analysis Overview
SHA256
de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21
Threat Level: Known bad
The file de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21 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
2024-11-16 17:21
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: behavioral2
Detonation Overview
Submitted
2024-11-16 17:20
Reported
2024-11-16 17:23
Platform
win10v2004-20241007-en
Max time kernel
147s
Max time network
151s
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.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.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.exe
"C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1896 -ip 1896
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1896 -s 684
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.49.80.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.173.189.20.in-addr.arpa | udp |
Files
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-16 17:20
Reported
2024-11-16 17:23
Platform
win7-20241010-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.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.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2384 wrote to memory of 2256 | N/A | C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2384 wrote to memory of 2256 | N/A | C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2384 wrote to memory of 2256 | N/A | C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2384 wrote to memory of 2256 | N/A | C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.exe
"C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 256