Analysis Overview
SHA256
3175a47ef124f34e3722c407003b2c6d9f047ab8bf842d47007fb3fd94cd0e1e
Threat Level: Known bad
The file Server.exe was found to be: Known bad.
Malicious Activity Summary
Njrat family
Modifies Windows Firewall
System Location Discovery: System Language Discovery
Unsigned PE
Event Triggered Execution: Netsh Helper DLL
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-29 18:58
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-29 18:58
Reported
2024-09-29 19:01
Platform
win10v2004-20240802-en
Max time kernel
146s
Max time network
148s
Command Line
Signatures
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Event Triggered Execution: Netsh Helper DLL
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key value enumerated | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
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\Server.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\netsh.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3140 wrote to memory of 4916 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 3140 wrote to memory of 4916 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 3140 wrote to memory of 4916 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe" "Server.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp |
Files
memory/3140-0-0x0000000074F62000-0x0000000074F63000-memory.dmp
memory/3140-1-0x0000000074F60000-0x0000000075511000-memory.dmp
memory/3140-2-0x0000000074F60000-0x0000000075511000-memory.dmp
memory/3140-5-0x0000000074F60000-0x0000000075511000-memory.dmp
memory/3140-4-0x0000000074F62000-0x0000000074F63000-memory.dmp
memory/3140-6-0x0000000074F60000-0x0000000075511000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-29 18:58
Reported
2024-09-29 19:01
Platform
win7-20240708-en
Max time kernel
147s
Max time network
120s
Command Line
Signatures
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Event Triggered Execution: Netsh Helper DLL
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key value enumerated | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
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\Server.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\netsh.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3056 wrote to memory of 2572 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 3056 wrote to memory of 2572 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 3056 wrote to memory of 2572 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 3056 wrote to memory of 2572 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe" "Server.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp | |
| N/A | 127.0.0.1:8080 | tcp |
Files
memory/3056-0-0x00000000740B1000-0x00000000740B2000-memory.dmp
memory/3056-1-0x00000000740B0000-0x000000007465B000-memory.dmp
memory/3056-2-0x00000000740B0000-0x000000007465B000-memory.dmp
memory/3056-4-0x00000000740B0000-0x000000007465B000-memory.dmp