Analysis Overview
SHA256
fb481c100a8acd081248001c1490dcbb929100cba3c8a5de5589dcfbdf911ed4
Threat Level: Known bad
The file Server.exe was found to be: Known bad.
Malicious Activity Summary
Njrat family
Modifies Windows Firewall
Checks computer location settings
Sets desktop wallpaper using registry
Unsigned PE
Event Triggered Execution: Netsh Helper DLL
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Modifies registry class
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-03 07:28
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-03 07:28
Reported
2024-10-03 07:58
Platform
win10v2004-20240802-en
Max time kernel
1795s
Max time network
1787s
Command Line
Signatures
Modifies Windows Firewall
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\netsh.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\photo_2024-04-02_19-14-53.jpg" | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\lol.png" | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
| Description | Indicator | Process | Target |
| 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 |
| Key opened | \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:\Windows\SysWOW64\WScript.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1784 wrote to memory of 728 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 1784 wrote to memory of 728 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 1784 wrote to memory of 728 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 1784 wrote to memory of 2592 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\WScript.exe |
| PID 1784 wrote to memory of 2592 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\WScript.exe |
| PID 1784 wrote to memory of 2592 | N/A | C:\Users\Admin\AppData\Local\Temp\Server.exe | C:\Windows\SysWOW64\WScript.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe" "Server.exe" ENABLE
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\tempxxSD.vbs"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | florida-institutions.gl.at.ply.gg | udp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 23.221.185.147.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 89.16.208.104.in-addr.arpa | udp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | florida-institutions.gl.at.ply.gg | udp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 22.160.190.20.in-addr.arpa | udp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | florida-institutions.gl.at.ply.gg | udp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | florida-institutions.gl.at.ply.gg | udp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | florida-institutions.gl.at.ply.gg | udp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | florida-institutions.gl.at.ply.gg | udp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
| US | 147.185.221.23:1213 | florida-institutions.gl.at.ply.gg | tcp |
Files
memory/1784-0-0x0000000074CF2000-0x0000000074CF3000-memory.dmp
memory/1784-1-0x0000000074CF0000-0x00000000752A1000-memory.dmp
memory/1784-2-0x0000000074CF0000-0x00000000752A1000-memory.dmp
memory/1784-5-0x0000000074CF0000-0x00000000752A1000-memory.dmp
memory/1784-4-0x0000000074CF2000-0x0000000074CF3000-memory.dmp
memory/1784-6-0x0000000074CF0000-0x00000000752A1000-memory.dmp
memory/1784-7-0x0000000074CF0000-0x00000000752A1000-memory.dmp
memory/1784-8-0x0000000074CF0000-0x00000000752A1000-memory.dmp
memory/1784-9-0x0000000074CF0000-0x00000000752A1000-memory.dmp
memory/1784-10-0x0000000074CF0000-0x00000000752A1000-memory.dmp
memory/1784-11-0x0000000074CF0000-0x00000000752A1000-memory.dmp
memory/1784-12-0x0000000074CF0000-0x00000000752A1000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\tempxxSD.vbs
| MD5 | 53b9f8d6b89885849f2082ed155df5b0 |
| SHA1 | 9698bf6232b9b0e9e9bd1a5c22a2e31cf1a7641e |
| SHA256 | c8852b43797378fb4f911c2e010882f1665bbcaf037ba800d1d6de3329937488 |
| SHA512 | dd25d925585da29304f3b0ba6eb92463b9f25507ea3b0e306c891e441805210d9f02b451835f46d4d01ee0803f489bfbf5f0056fb47830f839d123be3cbf252f |