Analysis Overview
SHA256
f2765ebf420d62efbd5da6c2427b4e9cdad20ecb36ba1a6c8bf195db359d4844
Threat Level: Known bad
The file 0x000b00000001224f-8.dat 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 behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-21 12:04
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-21 12:04
Reported
2024-01-21 12:07
Platform
win7-20231129-en
Max time kernel
144s
Max time network
139s
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
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2148 wrote to memory of 3000 | N/A | C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2148 wrote to memory of 3000 | N/A | C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2148 wrote to memory of 3000 | N/A | C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2148 wrote to memory of 3000 | N/A | C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe
"C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe" "0x000b00000001224f-8.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 2.tcp.eu.ngrok.io | udp |
| DE | 18.156.13.209:13957 | 2.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 2.tcp.eu.ngrok.io | udp |
| DE | 3.126.37.18:13957 | 2.tcp.eu.ngrok.io | tcp |
Files
memory/2148-0-0x00000000749F0000-0x0000000074F9B000-memory.dmp
memory/2148-1-0x00000000749F0000-0x0000000074F9B000-memory.dmp
memory/2148-2-0x0000000000BD0000-0x0000000000C10000-memory.dmp
memory/2148-4-0x00000000749F0000-0x0000000074F9B000-memory.dmp
memory/2148-5-0x00000000749F0000-0x0000000074F9B000-memory.dmp
memory/2148-6-0x0000000000BD0000-0x0000000000C10000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-21 12:04
Reported
2024-01-21 12:07
Platform
win10v2004-20231215-en
Max time kernel
145s
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
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4240 wrote to memory of 4188 | N/A | C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4240 wrote to memory of 4188 | N/A | C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 4240 wrote to memory of 4188 | N/A | C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe
"C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\0x000b00000001224f-8.exe" "0x000b00000001224f-8.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.tcp.eu.ngrok.io | udp |
| DE | 18.156.13.209:13957 | 2.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 209.13.156.18.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.tcp.eu.ngrok.io | udp |
| DE | 18.197.239.5:13957 | 2.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 5.239.197.18.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.173.189.20.in-addr.arpa | udp |
Files
memory/4240-0-0x0000000075190000-0x0000000075741000-memory.dmp
memory/4240-1-0x0000000000E80000-0x0000000000E90000-memory.dmp
memory/4240-2-0x0000000075190000-0x0000000075741000-memory.dmp
memory/4240-4-0x0000000075190000-0x0000000075741000-memory.dmp