Analysis Overview
SHA256
af20d219cb1b2a55aa52637195a6f797f6fb980148735c54e5598c224d32307e
Threat Level: Known bad
The file 627d146f44e901aa1bcd48effb3b788f.bin was found to be: Known bad.
Malicious Activity Summary
Njrat family
Modifies Windows Firewall
Drops startup file
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
2024-01-24 02:16
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-24 02:16
Reported
2024-01-24 02:18
Platform
win7-20231215-en
Max time kernel
147s
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 |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsofts.exe | C:\Users\Admin\AppData\Local\Temp\5b45188cebe24c4309d3d884cb92bc5d9466e9dd8fa57f670b0008931e18562e.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsofts.exe | C:\Users\Admin\AppData\Local\Temp\5b45188cebe24c4309d3d884cb92bc5d9466e9dd8fa57f670b0008931e18562e.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\5b45188cebe24c4309d3d884cb92bc5d9466e9dd8fa57f670b0008931e18562e.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1936 wrote to memory of 2764 | N/A | C:\Users\Admin\AppData\Local\Temp\5b45188cebe24c4309d3d884cb92bc5d9466e9dd8fa57f670b0008931e18562e.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 1936 wrote to memory of 2764 | N/A | C:\Users\Admin\AppData\Local\Temp\5b45188cebe24c4309d3d884cb92bc5d9466e9dd8fa57f670b0008931e18562e.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 1936 wrote to memory of 2764 | N/A | C:\Users\Admin\AppData\Local\Temp\5b45188cebe24c4309d3d884cb92bc5d9466e9dd8fa57f670b0008931e18562e.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 1936 wrote to memory of 2764 | N/A | C:\Users\Admin\AppData\Local\Temp\5b45188cebe24c4309d3d884cb92bc5d9466e9dd8fa57f670b0008931e18562e.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5b45188cebe24c4309d3d884cb92bc5d9466e9dd8fa57f670b0008931e18562e.exe
"C:\Users\Admin\AppData\Local\Temp\5b45188cebe24c4309d3d884cb92bc5d9466e9dd8fa57f670b0008931e18562e.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\5b45188cebe24c4309d3d884cb92bc5d9466e9dd8fa57f670b0008931e18562e.exe" "5b45188cebe24c4309d3d884cb92bc5d9466e9dd8fa57f670b0008931e18562e.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 18.192.31.165:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.192.31.165:18595 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.125.223.134:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.223.134:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.223.134:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.223.134:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.223.134:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.223.134:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.223.134:18595 | 0.tcp.eu.ngrok.io | tcp |
Files
memory/1936-0-0x0000000073ED0000-0x000000007447B000-memory.dmp
memory/1936-2-0x0000000000260000-0x00000000002A0000-memory.dmp
memory/1936-1-0x0000000073ED0000-0x000000007447B000-memory.dmp
memory/1936-5-0x0000000073ED0000-0x000000007447B000-memory.dmp
memory/1936-6-0x0000000073ED0000-0x000000007447B000-memory.dmp
memory/1936-7-0x0000000000260000-0x00000000002A0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-24 02:16
Reported
2024-01-24 02:18
Platform
win10v2004-20231215-en
Max time kernel
149s
Max time network
158s
Command Line
Signatures
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsofts.exe | C:\Users\Admin\AppData\Local\Temp\5b45188cebe24c4309d3d884cb92bc5d9466e9dd8fa57f670b0008931e18562e.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsofts.exe | C:\Users\Admin\AppData\Local\Temp\5b45188cebe24c4309d3d884cb92bc5d9466e9dd8fa57f670b0008931e18562e.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\5b45188cebe24c4309d3d884cb92bc5d9466e9dd8fa57f670b0008931e18562e.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2824 wrote to memory of 2376 | N/A | C:\Users\Admin\AppData\Local\Temp\5b45188cebe24c4309d3d884cb92bc5d9466e9dd8fa57f670b0008931e18562e.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2824 wrote to memory of 2376 | N/A | C:\Users\Admin\AppData\Local\Temp\5b45188cebe24c4309d3d884cb92bc5d9466e9dd8fa57f670b0008931e18562e.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2824 wrote to memory of 2376 | N/A | C:\Users\Admin\AppData\Local\Temp\5b45188cebe24c4309d3d884cb92bc5d9466e9dd8fa57f670b0008931e18562e.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\5b45188cebe24c4309d3d884cb92bc5d9466e9dd8fa57f670b0008931e18562e.exe
"C:\Users\Admin\AppData\Local\Temp\5b45188cebe24c4309d3d884cb92bc5d9466e9dd8fa57f670b0008931e18562e.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\5b45188cebe24c4309d3d884cb92bc5d9466e9dd8fa57f670b0008931e18562e.exe" "5b45188cebe24c4309d3d884cb92bc5d9466e9dd8fa57f670b0008931e18562e.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.124.142.205:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:18595 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| DE | 3.124.142.205:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:18595 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| DE | 3.124.142.205:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:18595 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:18595 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.124.142.205:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:18595 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 28.73.42.20.in-addr.arpa | udp |
| DE | 3.124.142.205:18595 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:18595 | 0.tcp.eu.ngrok.io | tcp |
Files
memory/2824-0-0x0000000075180000-0x0000000075731000-memory.dmp
memory/2824-1-0x0000000075180000-0x0000000075731000-memory.dmp
memory/2824-2-0x0000000001430000-0x0000000001440000-memory.dmp
memory/2824-5-0x0000000075180000-0x0000000075731000-memory.dmp
memory/2824-6-0x0000000075180000-0x0000000075731000-memory.dmp
memory/2824-7-0x0000000001430000-0x0000000001440000-memory.dmp