Analysis Overview
SHA256
bb817283ea34329c88761212e373fa21155bc1b319615a9d60a33031d401eb25
Threat Level: Known bad
The file Server.exe was found to be: Known bad.
Malicious Activity Summary
Njrat family
Modifies Windows Firewall
Unsigned PE
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-30 17:39
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-30 17:39
Reported
2024-08-30 17:42
Platform
win7-20240704-en
Max time kernel
149s
Max time network
143s
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: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2556 wrote to memory of 2540 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2556 wrote to memory of 2540 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2556 wrote to memory of 2540 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2556 wrote to memory of 2540 | 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 | brands-colors.gl.at.ply.gg | udp |
| US | 147.185.221.22:28379 | brands-colors.gl.at.ply.gg | tcp |
| US | 147.185.221.22:28379 | brands-colors.gl.at.ply.gg | tcp |
Files
memory/2556-0-0x00000000748B1000-0x00000000748B2000-memory.dmp
memory/2556-1-0x00000000748B0000-0x0000000074E5B000-memory.dmp
memory/2556-2-0x00000000748B0000-0x0000000074E5B000-memory.dmp
memory/2556-3-0x00000000748B0000-0x0000000074E5B000-memory.dmp
memory/2556-4-0x00000000748B0000-0x0000000074E5B000-memory.dmp
memory/2556-5-0x00000000748B0000-0x0000000074E5B000-memory.dmp
memory/2556-6-0x00000000748B0000-0x0000000074E5B000-memory.dmp
memory/2556-7-0x00000000748B0000-0x0000000074E5B000-memory.dmp
memory/2556-8-0x00000000748B0000-0x0000000074E5B000-memory.dmp
memory/2556-9-0x00000000748B0000-0x0000000074E5B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-30 17:39
Reported
2024-08-30 17:42
Platform
win10v2004-20240802-en
Max time kernel
150s
Max time network
154s
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:\Windows\SysWOW64\netsh.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4800 wrote to memory of 4056 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4800 wrote to memory of 4056 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4800 wrote to memory of 4056 | 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 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | brands-colors.gl.at.ply.gg | udp |
| US | 147.185.221.22:28379 | brands-colors.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 22.221.185.147.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 147.185.221.22:28379 | brands-colors.gl.at.ply.gg | tcp |
Files
memory/4800-0-0x0000000074602000-0x0000000074603000-memory.dmp
memory/4800-1-0x0000000074600000-0x0000000074BB1000-memory.dmp
memory/4800-2-0x0000000074600000-0x0000000074BB1000-memory.dmp
memory/4800-3-0x0000000074602000-0x0000000074603000-memory.dmp
memory/4800-4-0x0000000074600000-0x0000000074BB1000-memory.dmp
memory/4800-5-0x0000000074600000-0x0000000074BB1000-memory.dmp
memory/4800-6-0x0000000074600000-0x0000000074BB1000-memory.dmp
memory/4800-7-0x0000000074600000-0x0000000074BB1000-memory.dmp