Analysis Overview
SHA256
f7d1655402571e508ffde1b36b75322782c40fa9a269bc13a246220bf16bccb6
Threat Level: Known bad
The file Server.exe was found to be: Known bad.
Malicious Activity Summary
Njrat family
Modifies Windows Firewall
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-26 03:18
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-26 03:18
Reported
2024-02-26 03:21
Platform
win7-20240215-en
Max time kernel
150s
Max time network
118s
Command Line
Signatures
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | 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 2204 wrote to memory of 1744 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2204 wrote to memory of 1744 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2204 wrote to memory of 1744 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2204 wrote to memory of 1744 | 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 | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp |
Files
memory/2204-1-0x0000000000CC0000-0x0000000000D00000-memory.dmp
memory/2204-2-0x00000000743B0000-0x000000007495B000-memory.dmp
memory/2204-0-0x00000000743B0000-0x000000007495B000-memory.dmp
memory/2204-4-0x00000000743B0000-0x000000007495B000-memory.dmp
memory/2204-5-0x0000000000CC0000-0x0000000000D00000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-26 03:18
Reported
2024-02-26 03:22
Platform
win10v2004-20240221-en
Max time kernel
209s
Max time network
206s
Command Line
Signatures
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | 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 1568 wrote to memory of 1096 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 1568 wrote to memory of 1096 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 1568 wrote to memory of 1096 | 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 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| N/A | 127.0.0.1:80 | tcp | |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| US | 8.8.8.8:53 | 90.16.208.104.in-addr.arpa | udp |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp | |
| N/A | 127.0.0.1:80 | tcp |
Files
memory/1568-0-0x0000000074D40000-0x00000000752F1000-memory.dmp
memory/1568-1-0x0000000074D40000-0x00000000752F1000-memory.dmp
memory/1568-2-0x00000000019E0000-0x00000000019F0000-memory.dmp
memory/1568-4-0x0000000074D40000-0x00000000752F1000-memory.dmp
memory/1568-5-0x0000000074D40000-0x00000000752F1000-memory.dmp
memory/1568-6-0x00000000019E0000-0x00000000019F0000-memory.dmp