Analysis Overview
SHA256
791a4175efeb80014ae7a728dedba39e9b32eb213668786bf7cb143971408170
Threat Level: Known bad
The file 5c0fbebc21d4edf3759244438fc479ae.bin was found to be: Known bad.
Malicious Activity Summary
Njrat family
Modifies Windows Firewall
Drops startup file
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Drops autorun.inf file
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-22 01:20
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-22 01:20
Reported
2024-01-22 01:23
Platform
win7-20231215-en
Max time kernel
150s
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 |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3af7f2b1f33dad1da92e7f8ffbbc0386.exe | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3af7f2b1f33dad1da92e7f8ffbbc0386.exe | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\3af7f2b1f33dad1da92e7f8ffbbc0386 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe\" .." | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\3af7f2b1f33dad1da92e7f8ffbbc0386 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe\" .." | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
Drops autorun.inf file
| Description | Indicator | Process | Target |
| File created | C:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
| File opened for modification | C:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
| File created | D:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
| File created | F:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
| File opened for modification | F:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2400 wrote to memory of 1292 | N/A | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2400 wrote to memory of 1292 | N/A | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2400 wrote to memory of 1292 | N/A | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2400 wrote to memory of 1292 | N/A | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe
"C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe" "db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
Files
memory/2400-0-0x0000000074C90000-0x000000007523B000-memory.dmp
memory/2400-1-0x0000000074C90000-0x000000007523B000-memory.dmp
memory/2400-2-0x0000000001F20000-0x0000000001F60000-memory.dmp
F:\svchost.exe
| MD5 | 5c0fbebc21d4edf3759244438fc479ae |
| SHA1 | a5a9bb372be9d679be2795e2a2f42250b43a3d51 |
| SHA256 | db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5 |
| SHA512 | 96d33662575ccaa7b7adb24c15f3599c6203f66fb585f7d187829492f85d5995dbda5b80ab72960abae004188fd6ff1b6467093fdabba5331e6ce365156396a9 |
memory/2400-12-0x0000000074C90000-0x000000007523B000-memory.dmp
memory/2400-13-0x0000000074C90000-0x000000007523B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-22 01:20
Reported
2024-01-22 01:23
Platform
win10v2004-20231215-en
Max time kernel
150s
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 |
Drops startup file
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3af7f2b1f33dad1da92e7f8ffbbc0386.exe | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3af7f2b1f33dad1da92e7f8ffbbc0386.exe | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3af7f2b1f33dad1da92e7f8ffbbc0386 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe\" .." | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\3af7f2b1f33dad1da92e7f8ffbbc0386 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe\" .." | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
Drops autorun.inf file
| Description | Indicator | Process | Target |
| File created | C:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
| File opened for modification | C:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
| File created | D:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
| File created | F:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
| File opened for modification | F:\autorun.inf | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 320 wrote to memory of 1836 | N/A | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 320 wrote to memory of 1836 | N/A | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 320 wrote to memory of 1836 | N/A | C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe
"C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe" "db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 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 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| DE | 3.125.102.39:15574 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.124.142.205:15574 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 85.65.42.20.in-addr.arpa | udp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | 0.tcp.eu.ngrok.io | tcp |
| DE | 3.125.209.94:15574 | tcp |
Files
memory/320-0-0x0000000074B70000-0x0000000075121000-memory.dmp
memory/320-1-0x0000000074B70000-0x0000000075121000-memory.dmp
memory/320-2-0x00000000012A0000-0x00000000012B0000-memory.dmp
F:\svchost.exe
| MD5 | 5c0fbebc21d4edf3759244438fc479ae |
| SHA1 | a5a9bb372be9d679be2795e2a2f42250b43a3d51 |
| SHA256 | db36cafda963b6464923356faf6e9ae1b953b2a85dcfd7c372c925407f1c21a5 |
| SHA512 | 96d33662575ccaa7b7adb24c15f3599c6203f66fb585f7d187829492f85d5995dbda5b80ab72960abae004188fd6ff1b6467093fdabba5331e6ce365156396a9 |
memory/320-12-0x0000000074B70000-0x0000000075121000-memory.dmp
memory/320-13-0x0000000074B70000-0x0000000075121000-memory.dmp