Analysis Overview
SHA256
fcb54705e6305b492934918aba7245c3777715d3d29a042d74a07aa7f0608184
Threat Level: Known bad
The file fcb54705e6305b492934918aba7245c3777715d3d29a042d74a07aa7f0608184 was found to be: Known bad.
Malicious Activity Summary
Fatal Rat payload
Fatalrat family
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-09-04 23:31
Signatures
Fatal Rat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Fatalrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2023-09-04 23:31
Reported
2023-09-04 23:34
Platform
win10v2004-20230831-en
Max time kernel
142s
Max time network
147s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\fcb54705e6305b492934918aba7245c3777715d3d29a042d74a07aa7f0608184.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\fcb54705e6305b492934918aba7245c3777715d3d29a042d74a07aa7f0608184.exe
"C:\Users\Admin\AppData\Local\Temp\fcb54705e6305b492934918aba7245c3777715d3d29a042d74a07aa7f0608184.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 388 -ip 388
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 388 -s 516
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.139.248.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.202.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.178.89.13.in-addr.arpa | udp |
Files
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-04 23:31
Reported
2023-09-04 23:34
Platform
win7-20230831-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\fcb54705e6305b492934918aba7245c3777715d3d29a042d74a07aa7f0608184.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3040 wrote to memory of 2464 | N/A | C:\Users\Admin\AppData\Local\Temp\fcb54705e6305b492934918aba7245c3777715d3d29a042d74a07aa7f0608184.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 3040 wrote to memory of 2464 | N/A | C:\Users\Admin\AppData\Local\Temp\fcb54705e6305b492934918aba7245c3777715d3d29a042d74a07aa7f0608184.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 3040 wrote to memory of 2464 | N/A | C:\Users\Admin\AppData\Local\Temp\fcb54705e6305b492934918aba7245c3777715d3d29a042d74a07aa7f0608184.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 3040 wrote to memory of 2464 | N/A | C:\Users\Admin\AppData\Local\Temp\fcb54705e6305b492934918aba7245c3777715d3d29a042d74a07aa7f0608184.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\fcb54705e6305b492934918aba7245c3777715d3d29a042d74a07aa7f0608184.exe
"C:\Users\Admin\AppData\Local\Temp\fcb54705e6305b492934918aba7245c3777715d3d29a042d74a07aa7f0608184.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 196