Analysis Overview
SHA256
c88de225a10679d91016560067ac138d60e87332ab0e916c8fde113aec73913c
Threat Level: Known bad
The file c88de225a10679d91016560067ac138d60e87332ab0e916c8fde113aec73913c was found to be: Known bad.
Malicious Activity Summary
R77 family
r77 rootkit payload
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-07-12 14:38
Signatures
R77 family
r77 rootkit payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-07-12 14:38
Reported
2023-07-12 14:40
Platform
win7-20230712-en
Max time kernel
122s
Max time network
127s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\c88de225a10679d91016560067ac138d60e87332ab0e916c8fde113aec73913c.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2376 wrote to memory of 1892 | N/A | C:\Users\Admin\AppData\Local\Temp\c88de225a10679d91016560067ac138d60e87332ab0e916c8fde113aec73913c.exe | C:\Windows\system32\WerFault.exe |
| PID 2376 wrote to memory of 1892 | N/A | C:\Users\Admin\AppData\Local\Temp\c88de225a10679d91016560067ac138d60e87332ab0e916c8fde113aec73913c.exe | C:\Windows\system32\WerFault.exe |
| PID 2376 wrote to memory of 1892 | N/A | C:\Users\Admin\AppData\Local\Temp\c88de225a10679d91016560067ac138d60e87332ab0e916c8fde113aec73913c.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c88de225a10679d91016560067ac138d60e87332ab0e916c8fde113aec73913c.exe
"C:\Users\Admin\AppData\Local\Temp\c88de225a10679d91016560067ac138d60e87332ab0e916c8fde113aec73913c.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2376 -s 144
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2023-07-12 14:38
Reported
2023-07-12 14:40
Platform
win10v2004-20230703-en
Max time kernel
142s
Max time network
150s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\c88de225a10679d91016560067ac138d60e87332ab0e916c8fde113aec73913c.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c88de225a10679d91016560067ac138d60e87332ab0e916c8fde113aec73913c.exe
"C:\Users\Admin\AppData\Local\Temp\c88de225a10679d91016560067ac138d60e87332ab0e916c8fde113aec73913c.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 404 -p 3124 -ip 3124
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 3124 -s 372
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 54.120.234.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.77.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 89.65.42.20.in-addr.arpa | udp |