Analysis Overview
SHA256
97645af6df7c6563db7752cdb1f7fe56168d39cca89ad1ff0d1164866d0f42fd
Threat Level: Known bad
The file a78206857f65e2271ec950d1014f0bd0N.exe was found to be: Known bad.
Malicious Activity Summary
Njrat family
Modifies Windows Firewall
Legitimate hosting services abused for malware hosting/C2
Unsigned PE
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-27 14:08
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-27 14:08
Reported
2024-08-27 14:10
Platform
win7-20240708-en
Max time kernel
120s
Max time network
110s
Command Line
Signatures
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | 8.tcp.ngrok.io | N/A | N/A |
| N/A | 8.tcp.ngrok.io | N/A | 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\a78206857f65e2271ec950d1014f0bd0N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\netsh.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a78206857f65e2271ec950d1014f0bd0N.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2504 wrote to memory of 1436 | N/A | C:\Users\Admin\AppData\Local\Temp\a78206857f65e2271ec950d1014f0bd0N.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2504 wrote to memory of 1436 | N/A | C:\Users\Admin\AppData\Local\Temp\a78206857f65e2271ec950d1014f0bd0N.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2504 wrote to memory of 1436 | N/A | C:\Users\Admin\AppData\Local\Temp\a78206857f65e2271ec950d1014f0bd0N.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2504 wrote to memory of 1436 | N/A | C:\Users\Admin\AppData\Local\Temp\a78206857f65e2271ec950d1014f0bd0N.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a78206857f65e2271ec950d1014f0bd0N.exe
"C:\Users\Admin\AppData\Local\Temp\a78206857f65e2271ec950d1014f0bd0N.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\a78206857f65e2271ec950d1014f0bd0N.exe" "a78206857f65e2271ec950d1014f0bd0N.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.tcp.ngrok.io | udp |
| US | 3.142.129.56:12747 | 8.tcp.ngrok.io | tcp |
| US | 3.142.129.56:12747 | 8.tcp.ngrok.io | tcp |
| US | 3.142.129.56:12747 | 8.tcp.ngrok.io | tcp |
| US | 3.142.129.56:12747 | 8.tcp.ngrok.io | tcp |
| US | 3.142.129.56:12747 | 8.tcp.ngrok.io | tcp |
| US | 3.142.129.56:12747 | 8.tcp.ngrok.io | tcp |
| US | 3.142.129.56:12747 | 8.tcp.ngrok.io | tcp |
| US | 8.8.8.8:53 | 8.tcp.ngrok.io | udp |
| US | 13.58.157.220:12747 | 8.tcp.ngrok.io | tcp |
| US | 13.58.157.220:12747 | 8.tcp.ngrok.io | tcp |
| US | 13.58.157.220:12747 | 8.tcp.ngrok.io | tcp |
| US | 13.58.157.220:12747 | 8.tcp.ngrok.io | tcp |
| US | 13.58.157.220:12747 | 8.tcp.ngrok.io | tcp |
| US | 13.58.157.220:12747 | 8.tcp.ngrok.io | tcp |
| US | 13.58.157.220:12747 | 8.tcp.ngrok.io | tcp |
Files
memory/2504-0-0x0000000073E41000-0x0000000073E42000-memory.dmp
memory/2504-1-0x0000000073E40000-0x00000000743EB000-memory.dmp
memory/2504-2-0x0000000073E40000-0x00000000743EB000-memory.dmp
memory/2504-3-0x0000000073E40000-0x00000000743EB000-memory.dmp
memory/2504-4-0x0000000073E40000-0x00000000743EB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-08-27 14:08
Reported
2024-08-27 14:10
Platform
win10v2004-20240802-en
Max time kernel
120s
Max time network
113s
Command Line
Signatures
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | 8.tcp.ngrok.io | N/A | N/A |
| N/A | 8.tcp.ngrok.io | N/A | 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\a78206857f65e2271ec950d1014f0bd0N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\netsh.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a78206857f65e2271ec950d1014f0bd0N.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4784 wrote to memory of 3916 | N/A | C:\Users\Admin\AppData\Local\Temp\a78206857f65e2271ec950d1014f0bd0N.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4784 wrote to memory of 3916 | N/A | C:\Users\Admin\AppData\Local\Temp\a78206857f65e2271ec950d1014f0bd0N.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4784 wrote to memory of 3916 | N/A | C:\Users\Admin\AppData\Local\Temp\a78206857f65e2271ec950d1014f0bd0N.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a78206857f65e2271ec950d1014f0bd0N.exe
"C:\Users\Admin\AppData\Local\Temp\a78206857f65e2271ec950d1014f0bd0N.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\a78206857f65e2271ec950d1014f0bd0N.exe" "a78206857f65e2271ec950d1014f0bd0N.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.53.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.tcp.ngrok.io | udp |
| US | 3.142.81.166:12747 | 8.tcp.ngrok.io | tcp |
| US | 3.142.81.166:12747 | 8.tcp.ngrok.io | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| US | 3.142.81.166:12747 | 8.tcp.ngrok.io | tcp |
| US | 3.142.81.166:12747 | 8.tcp.ngrok.io | tcp |
| US | 3.142.81.166:12747 | 8.tcp.ngrok.io | tcp |
| US | 8.8.8.8:53 | 240.143.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.140.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.tcp.ngrok.io | udp |
| US | 3.142.129.56:12747 | 8.tcp.ngrok.io | tcp |
| US | 3.142.129.56:12747 | 8.tcp.ngrok.io | tcp |
| US | 3.142.129.56:12747 | 8.tcp.ngrok.io | tcp |
| US | 3.142.129.56:12747 | 8.tcp.ngrok.io | tcp |
| US | 3.142.129.56:12747 | 8.tcp.ngrok.io | tcp |
| US | 3.142.129.56:12747 | 8.tcp.ngrok.io | tcp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 3.142.129.56:12747 | 8.tcp.ngrok.io | tcp |
Files
memory/4784-0-0x0000000074AF2000-0x0000000074AF3000-memory.dmp
memory/4784-1-0x0000000074AF0000-0x00000000750A1000-memory.dmp
memory/4784-2-0x0000000074AF0000-0x00000000750A1000-memory.dmp
memory/4784-3-0x0000000074AF2000-0x0000000074AF3000-memory.dmp
memory/4784-4-0x0000000074AF0000-0x00000000750A1000-memory.dmp
memory/4784-5-0x0000000074AF0000-0x00000000750A1000-memory.dmp