Analysis Overview
SHA256
7ab65ec1df60672b38afef38b5a4eeccd75c6bc469c79a969badaf9590eb27b9
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 behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-28 04:55
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-28 04:55
Reported
2024-02-28 04:58
Platform
win7-20240221-en
Max time kernel
147s
Max time network
119s
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 2008 wrote to memory of 2444 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2008 wrote to memory of 2444 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2008 wrote to memory of 2444 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2008 wrote to memory of 2444 | 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 |
Files
memory/2008-0-0x0000000074F30000-0x00000000754DB000-memory.dmp
memory/2008-1-0x0000000074F30000-0x00000000754DB000-memory.dmp
memory/2008-2-0x00000000021E0000-0x0000000002220000-memory.dmp
memory/2008-4-0x0000000074F30000-0x00000000754DB000-memory.dmp
memory/2008-5-0x0000000074F30000-0x00000000754DB000-memory.dmp
memory/2008-6-0x00000000021E0000-0x0000000002220000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-28 04:55
Reported
2024-02-28 04:58
Platform
win10v2004-20240226-en
Max time kernel
146s
Max time network
127s
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 4304 wrote to memory of 2024 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4304 wrote to memory of 2024 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4304 wrote to memory of 2024 | 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 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| 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 | |
| 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 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.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 | |
| US | 8.8.8.8:53 | 173.178.17.96.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 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.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 | |
| 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/4304-0-0x0000000074C50000-0x0000000075201000-memory.dmp
memory/4304-1-0x0000000074C50000-0x0000000075201000-memory.dmp
memory/4304-2-0x0000000001860000-0x0000000001870000-memory.dmp
memory/4304-4-0x0000000074C50000-0x0000000075201000-memory.dmp
memory/4304-5-0x0000000074C50000-0x0000000075201000-memory.dmp
memory/4304-6-0x0000000001860000-0x0000000001870000-memory.dmp