Analysis Overview
SHA256
0d65aac1dc725db5e6893fb97b2e2401b91ffc7fd2903e7a3c476e8701e202c5
Threat Level: Known bad
The file a3fe854723ec37a910eb2c9924b941ea was found to be: Known bad.
Malicious Activity Summary
Njrat family
Modifies Windows Firewall
Legitimate hosting services abused for malware hosting/C2
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-25 14:15
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-25 14:15
Reported
2024-02-25 14:17
Platform
win7-20240221-en
Max time kernel
149s
Max time network
149s
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 | 2.tcp.ngrok.io | N/A | N/A |
| N/A | 2.tcp.ngrok.io | N/A | N/A |
| N/A | 2.tcp.ngrok.io | N/A | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1916 wrote to memory of 348 | N/A | C:\Users\Admin\AppData\Local\Temp\a3fe854723ec37a910eb2c9924b941ea.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 1916 wrote to memory of 348 | N/A | C:\Users\Admin\AppData\Local\Temp\a3fe854723ec37a910eb2c9924b941ea.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 1916 wrote to memory of 348 | N/A | C:\Users\Admin\AppData\Local\Temp\a3fe854723ec37a910eb2c9924b941ea.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 1916 wrote to memory of 348 | N/A | C:\Users\Admin\AppData\Local\Temp\a3fe854723ec37a910eb2c9924b941ea.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a3fe854723ec37a910eb2c9924b941ea.exe
"C:\Users\Admin\AppData\Local\Temp\a3fe854723ec37a910eb2c9924b941ea.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\a3fe854723ec37a910eb2c9924b941ea.exe" "a3fe854723ec37a910eb2c9924b941ea.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2.tcp.ngrok.io | udp |
| US | 3.138.45.170:12980 | 2.tcp.ngrok.io | tcp |
| US | 3.138.45.170:12980 | 2.tcp.ngrok.io | tcp |
| US | 3.138.45.170:12980 | 2.tcp.ngrok.io | tcp |
| US | 3.138.45.170:12980 | 2.tcp.ngrok.io | tcp |
| US | 3.138.45.170:12980 | 2.tcp.ngrok.io | tcp |
| US | 3.138.45.170:12980 | 2.tcp.ngrok.io | tcp |
| US | 3.138.45.170:12980 | 2.tcp.ngrok.io | tcp |
| US | 3.138.45.170:12980 | 2.tcp.ngrok.io | tcp |
| US | 3.138.45.170:12980 | 2.tcp.ngrok.io | tcp |
| US | 3.138.45.170:12980 | 2.tcp.ngrok.io | tcp |
| US | 8.8.8.8:53 | 2.tcp.ngrok.io | udp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 8.8.8.8:53 | 2.tcp.ngrok.io | udp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
Files
memory/1916-0-0x0000000074610000-0x0000000074BBB000-memory.dmp
memory/1916-1-0x0000000074610000-0x0000000074BBB000-memory.dmp
memory/1916-2-0x0000000000A00000-0x0000000000A40000-memory.dmp
memory/1916-3-0x0000000074610000-0x0000000074BBB000-memory.dmp
memory/1916-4-0x0000000074610000-0x0000000074BBB000-memory.dmp
memory/1916-5-0x0000000000A00000-0x0000000000A40000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-25 14:15
Reported
2024-02-25 14:17
Platform
win10v2004-20240221-en
Max time kernel
149s
Max time network
151s
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 | 2.tcp.ngrok.io | N/A | N/A |
| N/A | 2.tcp.ngrok.io | N/A | N/A |
| N/A | 2.tcp.ngrok.io | N/A | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4380 wrote to memory of 5020 | N/A | C:\Users\Admin\AppData\Local\Temp\a3fe854723ec37a910eb2c9924b941ea.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4380 wrote to memory of 5020 | N/A | C:\Users\Admin\AppData\Local\Temp\a3fe854723ec37a910eb2c9924b941ea.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4380 wrote to memory of 5020 | N/A | C:\Users\Admin\AppData\Local\Temp\a3fe854723ec37a910eb2c9924b941ea.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\a3fe854723ec37a910eb2c9924b941ea.exe
"C:\Users\Admin\AppData\Local\Temp\a3fe854723ec37a910eb2c9924b941ea.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\a3fe854723ec37a910eb2c9924b941ea.exe" "a3fe854723ec37a910eb2c9924b941ea.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 179.178.17.96.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 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.tcp.ngrok.io | udp |
| US | 3.128.107.74:12980 | 2.tcp.ngrok.io | tcp |
| US | 3.128.107.74:12980 | 2.tcp.ngrok.io | tcp |
| US | 3.128.107.74:12980 | 2.tcp.ngrok.io | tcp |
| US | 3.128.107.74:12980 | 2.tcp.ngrok.io | tcp |
| US | 3.128.107.74:12980 | 2.tcp.ngrok.io | tcp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 3.128.107.74:12980 | 2.tcp.ngrok.io | tcp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 3.128.107.74:12980 | 2.tcp.ngrok.io | tcp |
| US | 3.128.107.74:12980 | 2.tcp.ngrok.io | tcp |
| US | 8.8.8.8:53 | 2.tcp.ngrok.io | udp |
| US | 3.138.45.170:12980 | 2.tcp.ngrok.io | tcp |
| US | 3.138.45.170:12980 | 2.tcp.ngrok.io | tcp |
| US | 3.138.45.170:12980 | 2.tcp.ngrok.io | tcp |
| US | 3.138.45.170:12980 | 2.tcp.ngrok.io | tcp |
| US | 3.138.45.170:12980 | 2.tcp.ngrok.io | tcp |
| US | 3.138.45.170:12980 | 2.tcp.ngrok.io | tcp |
| US | 3.138.45.170:12980 | 2.tcp.ngrok.io | tcp |
| US | 3.138.45.170:12980 | 2.tcp.ngrok.io | tcp |
| US | 3.138.45.170:12980 | 2.tcp.ngrok.io | tcp |
| US | 3.138.45.170:12980 | 2.tcp.ngrok.io | tcp |
| US | 8.8.8.8:53 | 200.178.17.96.in-addr.arpa | udp |
| US | 3.138.45.170:12980 | 2.tcp.ngrok.io | tcp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 3.138.45.170:12980 | 2.tcp.ngrok.io | tcp |
| US | 3.138.45.170:12980 | 2.tcp.ngrok.io | tcp |
| US | 8.8.8.8:53 | 2.tcp.ngrok.io | udp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 13.59.15.185:12980 | 2.tcp.ngrok.io | tcp |
| US | 8.8.8.8:53 | udp |
Files
memory/4380-0-0x00000000748D0000-0x0000000074E81000-memory.dmp
memory/4380-1-0x0000000001A90000-0x0000000001AA0000-memory.dmp
memory/4380-2-0x00000000748D0000-0x0000000074E81000-memory.dmp
memory/4380-3-0x00000000748D0000-0x0000000074E81000-memory.dmp