Analysis Overview
SHA256
1122b5afc9fd2cba3efb629dd8b96cfddd50970e3395a7dca6c727f818072041
Threat Level: Known bad
The file Server.exe was found to be: Known bad.
Malicious Activity Summary
Njrat family
njRAT/Bladabindi
Modifies Windows Firewall
Executes dropped EXE
Adds Run key to start application
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-25 09:53
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-08-25 09:53
Reported
2024-08-25 09:59
Platform
win10-20240404-en
Max time kernel
299s
Max time network
299s
Command Line
Signatures
njRAT/Bladabindi
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\System32.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3968772205-1713802336-1776639840-1000\Software\Microsoft\Windows\CurrentVersion\Run\493bfcbfa9e5b5a77111a094b7985e6e = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System32.exe\" .." | C:\Users\Admin\AppData\Local\Temp\System32.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\493bfcbfa9e5b5a77111a094b7985e6e = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System32.exe\" .." | C:\Users\Admin\AppData\Local\Temp\System32.exe | N/A |
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key queried | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key value enumerated | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh | C:\Windows\SysWOW64\netsh.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\netsh.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\System32.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3800 wrote to memory of 2156 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Users\Admin\AppData\Local\Temp\System32.exe |
| PID 3800 wrote to memory of 2156 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Users\Admin\AppData\Local\Temp\System32.exe |
| PID 3800 wrote to memory of 2156 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Users\Admin\AppData\Local\Temp\System32.exe |
| PID 2156 wrote to memory of 3744 | N/A | C:\Users\Admin\AppData\Local\Temp\System32.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2156 wrote to memory of 3744 | N/A | C:\Users\Admin\AppData\Local\Temp\System32.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2156 wrote to memory of 3744 | N/A | C:\Users\Admin\AppData\Local\Temp\System32.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
C:\Users\Admin\AppData\Local\Temp\System32.exe
"C:\Users\Admin\AppData\Local\Temp\System32.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\System32.exe" "System32.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 170.117.168.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
Files
memory/3800-0-0x00000000733D1000-0x00000000733D2000-memory.dmp
memory/3800-1-0x00000000733D0000-0x0000000073980000-memory.dmp
memory/3800-2-0x00000000733D0000-0x0000000073980000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\System32.exe
| MD5 | 2146fb0dd162fc1372c8a7e7d1fdffcc |
| SHA1 | 6456199e95ea500ac5c254c19ec9b758e313f3ca |
| SHA256 | 1122b5afc9fd2cba3efb629dd8b96cfddd50970e3395a7dca6c727f818072041 |
| SHA512 | d7b07efbbc535388fb7c76355f0ccb794bb8b6b62cbe12897bd5d79b25a6ff8b8231af76a990df8faeb1ac5665dfd12344b49afce6dc9ded7170e62e9e41ec53 |
memory/3800-9-0x00000000733D0000-0x0000000073980000-memory.dmp
memory/2156-10-0x00000000733D0000-0x0000000073980000-memory.dmp
memory/2156-11-0x00000000733D0000-0x0000000073980000-memory.dmp
memory/2156-12-0x00000000733D0000-0x0000000073980000-memory.dmp
memory/2156-13-0x00000000733D0000-0x0000000073980000-memory.dmp