Analysis Overview
SHA256
75abd314f19ac918e089f27e01d5ab33b82ecc166bafdb2b453377c7eab618c0
Threat Level: Known bad
The file 75abd314f19ac918e089f27e01d5ab33b82ecc166bafdb2b453377c7eab618c0 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
2023-06-14 15:58
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
2023-06-14 15:58
Reported
2023-06-14 16:01
Platform
win7-20230220-en
Max time kernel
30s
Max time network
33s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\75abd314f19ac918e089f27e01d5ab33b82ecc166bafdb2b453377c7eab618c0.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1352 wrote to memory of 824 | N/A | C:\Users\Admin\AppData\Local\Temp\75abd314f19ac918e089f27e01d5ab33b82ecc166bafdb2b453377c7eab618c0.exe | C:\Windows\system32\WerFault.exe |
| PID 1352 wrote to memory of 824 | N/A | C:\Users\Admin\AppData\Local\Temp\75abd314f19ac918e089f27e01d5ab33b82ecc166bafdb2b453377c7eab618c0.exe | C:\Windows\system32\WerFault.exe |
| PID 1352 wrote to memory of 824 | N/A | C:\Users\Admin\AppData\Local\Temp\75abd314f19ac918e089f27e01d5ab33b82ecc166bafdb2b453377c7eab618c0.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\75abd314f19ac918e089f27e01d5ab33b82ecc166bafdb2b453377c7eab618c0.exe
"C:\Users\Admin\AppData\Local\Temp\75abd314f19ac918e089f27e01d5ab33b82ecc166bafdb2b453377c7eab618c0.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1352 -s 144
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2023-06-14 15:58
Reported
2023-06-14 16:01
Platform
win10v2004-20230220-en
Max time kernel
109s
Max time network
147s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\75abd314f19ac918e089f27e01d5ab33b82ecc166bafdb2b453377c7eab618c0.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\75abd314f19ac918e089f27e01d5ab33b82ecc166bafdb2b453377c7eab618c0.exe
"C:\Users\Admin\AppData\Local\Temp\75abd314f19ac918e089f27e01d5ab33b82ecc166bafdb2b453377c7eab618c0.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 412 -p 748 -ip 748
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 748 -s 392
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 | 121.252.72.23.in-addr.arpa | udp |
| US | 93.184.220.29:80 | tcp | |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.17.126.40.in-addr.arpa | udp |
| US | 40.125.122.176:443 | tcp | |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 40.125.122.176:443 | tcp | |
| US | 8.8.8.8:53 | 62.13.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 42.220.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| IE | 20.54.89.15:443 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 209.197.3.8:80 | tcp | |
| US | 8.8.8.8:53 | 164.113.223.173.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.36.159.162.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |