Analysis Overview
SHA256
55445ef6261ed803ea65e9cb491d50a6884903f8301da5ca1b9449dad4de8612
Threat Level: Known bad
The file 55445ef6261ed803ea65e9cb491d50a6884903f8301da5ca1b9449dad4de8612.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
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-28 16:41
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 16:41
Reported
2024-02-28 16:44
Platform
win7-20240221-en
Max time kernel
145s
Max time network
153s
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 | 0.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 0.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 0.tcp.eu.ngrok.io | N/A | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2292 wrote to memory of 1756 | N/A | C:\Users\Admin\AppData\Local\Temp\55445ef6261ed803ea65e9cb491d50a6884903f8301da5ca1b9449dad4de8612.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2292 wrote to memory of 1756 | N/A | C:\Users\Admin\AppData\Local\Temp\55445ef6261ed803ea65e9cb491d50a6884903f8301da5ca1b9449dad4de8612.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2292 wrote to memory of 1756 | N/A | C:\Users\Admin\AppData\Local\Temp\55445ef6261ed803ea65e9cb491d50a6884903f8301da5ca1b9449dad4de8612.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2292 wrote to memory of 1756 | N/A | C:\Users\Admin\AppData\Local\Temp\55445ef6261ed803ea65e9cb491d50a6884903f8301da5ca1b9449dad4de8612.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\55445ef6261ed803ea65e9cb491d50a6884903f8301da5ca1b9449dad4de8612.exe
"C:\Users\Admin\AppData\Local\Temp\55445ef6261ed803ea65e9cb491d50a6884903f8301da5ca1b9449dad4de8612.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\55445ef6261ed803ea65e9cb491d50a6884903f8301da5ca1b9449dad4de8612.exe" "55445ef6261ed803ea65e9cb491d50a6884903f8301da5ca1b9449dad4de8612.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.125.209.94:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15451 | 0.tcp.eu.ngrok.io | tcp |
Files
memory/2292-0-0x0000000074C60000-0x000000007520B000-memory.dmp
memory/2292-1-0x0000000074C60000-0x000000007520B000-memory.dmp
memory/2292-2-0x0000000000B10000-0x0000000000B50000-memory.dmp
memory/2292-3-0x0000000074C60000-0x000000007520B000-memory.dmp
memory/2292-4-0x0000000074C60000-0x000000007520B000-memory.dmp
memory/2292-5-0x0000000000B10000-0x0000000000B50000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-28 16:41
Reported
2024-02-28 16:44
Platform
win10v2004-20240226-en
Max time kernel
155s
Max time network
164s
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 | 0.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 0.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 0.tcp.eu.ngrok.io | N/A | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 64 wrote to memory of 4640 | N/A | C:\Users\Admin\AppData\Local\Temp\55445ef6261ed803ea65e9cb491d50a6884903f8301da5ca1b9449dad4de8612.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 64 wrote to memory of 4640 | N/A | C:\Users\Admin\AppData\Local\Temp\55445ef6261ed803ea65e9cb491d50a6884903f8301da5ca1b9449dad4de8612.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 64 wrote to memory of 4640 | N/A | C:\Users\Admin\AppData\Local\Temp\55445ef6261ed803ea65e9cb491d50a6884903f8301da5ca1b9449dad4de8612.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\55445ef6261ed803ea65e9cb491d50a6884903f8301da5ca1b9449dad4de8612.exe
"C:\Users\Admin\AppData\Local\Temp\55445ef6261ed803ea65e9cb491d50a6884903f8301da5ca1b9449dad4de8612.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\55445ef6261ed803ea65e9cb491d50a6884903f8301da5ca1b9449dad4de8612.exe" "55445ef6261ed803ea65e9cb491d50a6884903f8301da5ca1b9449dad4de8612.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 17.53.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| 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 |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 18.158.249.75:15451 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 205.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 71.121.18.2.in-addr.arpa | udp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15451 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.125.223.134:15451 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 11.179.89.13.in-addr.arpa | udp |
| DE | 3.125.223.134:15451 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.223.134:15451 | 0.tcp.eu.ngrok.io | tcp |
Files
memory/64-0-0x0000000075440000-0x00000000759F1000-memory.dmp
memory/64-1-0x0000000075440000-0x00000000759F1000-memory.dmp
memory/64-2-0x0000000001670000-0x0000000001680000-memory.dmp
memory/64-3-0x0000000075440000-0x00000000759F1000-memory.dmp
memory/64-4-0x0000000075440000-0x00000000759F1000-memory.dmp
memory/64-5-0x0000000001670000-0x0000000001680000-memory.dmp