Analysis Overview
SHA256
b03028acf3fa7be8b588c8e208c3b9bf3c63ecf3f4708e2a16856303218fbf7c
Threat Level: Known bad
The file JC_b03028acf3fa7be8b588c8e208c3b9bf3c63ecf3f4708e2a16856303218fbf7c 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
2023-09-02 12:10
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: behavioral1
Detonation Overview
Submitted
2023-09-02 12:10
Reported
2023-09-02 12:12
Platform
win7-20230831-en
Max time kernel
122s
Max time network
126s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\JC_b03028acf3fa7be8b588c8e208c3b9bf3c63ecf3f4708e2a16856303218fbf7c.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2044 wrote to memory of 1632 | N/A | C:\Users\Admin\AppData\Local\Temp\JC_b03028acf3fa7be8b588c8e208c3b9bf3c63ecf3f4708e2a16856303218fbf7c.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2044 wrote to memory of 1632 | N/A | C:\Users\Admin\AppData\Local\Temp\JC_b03028acf3fa7be8b588c8e208c3b9bf3c63ecf3f4708e2a16856303218fbf7c.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2044 wrote to memory of 1632 | N/A | C:\Users\Admin\AppData\Local\Temp\JC_b03028acf3fa7be8b588c8e208c3b9bf3c63ecf3f4708e2a16856303218fbf7c.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 2044 wrote to memory of 1632 | N/A | C:\Users\Admin\AppData\Local\Temp\JC_b03028acf3fa7be8b588c8e208c3b9bf3c63ecf3f4708e2a16856303218fbf7c.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\JC_b03028acf3fa7be8b588c8e208c3b9bf3c63ecf3f4708e2a16856303218fbf7c.exe
"C:\Users\Admin\AppData\Local\Temp\JC_b03028acf3fa7be8b588c8e208c3b9bf3c63ecf3f4708e2a16856303218fbf7c.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2044 -s 196
Network
Files
Analysis: behavioral2
Detonation Overview
Submitted
2023-09-02 12:10
Reported
2023-09-02 12:12
Platform
win10v2004-20230831-en
Max time kernel
140s
Max time network
146s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\JC_b03028acf3fa7be8b588c8e208c3b9bf3c63ecf3f4708e2a16856303218fbf7c.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\JC_b03028acf3fa7be8b588c8e208c3b9bf3c63ecf3f4708e2a16856303218fbf7c.exe
"C:\Users\Admin\AppData\Local\Temp\JC_b03028acf3fa7be8b588c8e208c3b9bf3c63ecf3f4708e2a16856303218fbf7c.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4288 -ip 4288
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4288 -s 512
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 126.21.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.81.21.72.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 224.162.46.104.in-addr.arpa | udp |