Analysis Overview
SHA256
0088d42558db8697390fe888cc6bbb230fdcaf726069a11cc28a44595eb38f18
Threat Level: Known bad
The file Primordial.exe was found to be: Known bad.
Malicious Activity Summary
Njrat family
Modifies Windows Firewall
Drops startup file
Unsigned PE
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-29 11:32
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-29 11:32
Reported
2024-05-29 11:33
Platform
win7-20240419-en
Max time kernel
13s
Max time network
0s
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\Microsoft Corporation.exe | C:\Users\Admin\AppData\Local\Temp\Primordial.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe | C:\Users\Admin\AppData\Local\Temp\Primordial.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Primordial.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Primordial.exe | N/A |
| Token: 33 | N/A | C:\Users\Admin\AppData\Local\Temp\Primordial.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Primordial.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2420 wrote to memory of 2444 | N/A | C:\Users\Admin\AppData\Local\Temp\Primordial.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2420 wrote to memory of 2444 | N/A | C:\Users\Admin\AppData\Local\Temp\Primordial.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2420 wrote to memory of 2444 | N/A | C:\Users\Admin\AppData\Local\Temp\Primordial.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2420 wrote to memory of 2444 | N/A | C:\Users\Admin\AppData\Local\Temp\Primordial.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Primordial.exe
"C:\Users\Admin\AppData\Local\Temp\Primordial.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Primordial.exe" "Primordial.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp |
Files
memory/2420-0-0x0000000074641000-0x0000000074642000-memory.dmp
memory/2420-1-0x0000000074640000-0x0000000074BEB000-memory.dmp
memory/2420-2-0x0000000074640000-0x0000000074BEB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-29 11:32
Reported
2024-05-29 11:33
Platform
win10v2004-20240508-en
Max time kernel
16s
Max time network
13s
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\Microsoft Corporation.exe | C:\Users\Admin\AppData\Local\Temp\Primordial.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe | C:\Users\Admin\AppData\Local\Temp\Primordial.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Primordial.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Primordial.exe | N/A |
| Token: 33 | N/A | C:\Users\Admin\AppData\Local\Temp\Primordial.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Primordial.exe | N/A |
| Token: 33 | N/A | C:\Users\Admin\AppData\Local\Temp\Primordial.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Primordial.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2848 wrote to memory of 4724 | N/A | C:\Users\Admin\AppData\Local\Temp\Primordial.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2848 wrote to memory of 4724 | N/A | C:\Users\Admin\AppData\Local\Temp\Primordial.exe | C:\Windows\SysWOW64\netsh.exe |
| PID 2848 wrote to memory of 4724 | N/A | C:\Users\Admin\AppData\Local\Temp\Primordial.exe | C:\Windows\SysWOW64\netsh.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Primordial.exe
"C:\Users\Admin\AppData\Local\Temp\Primordial.exe"
C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Primordial.exe" "Primordial.exe" ENABLE
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| NL | 23.62.61.75:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.61.62.23.in-addr.arpa | udp |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp | |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:5552 | tcp | |
| N/A | 127.0.0.1:5552 | tcp |
Files
memory/2848-0-0x00000000755A2000-0x00000000755A3000-memory.dmp
memory/2848-1-0x00000000755A0000-0x0000000075B51000-memory.dmp
memory/2848-2-0x00000000755A0000-0x0000000075B51000-memory.dmp