Analysis Overview
SHA256
3584010af4c61f06ddedbc2d740c5c787ac08e62e00f6ec267cd73baef3b21f4
Threat Level: Known bad
The file 3584010af4c61f06ddedbc2d740c5c787ac08e62e00f6ec267cd73baef3b21f4.exe was found to be: Known bad.
Malicious Activity Summary
Njrat family
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Checks processor information in registry
Enumerates system info in registry
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-11 05:56
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-11 05:56
Reported
2024-02-11 05:58
Platform
win7-20231215-en
Max time kernel
148s
Max time network
141s
Command Line
Signatures
Suspicious use of AdjustPrivilegeToken
Processes
C:\Users\Admin\AppData\Local\Temp\3584010af4c61f06ddedbc2d740c5c787ac08e62e00f6ec267cd73baef3b21f4.exe
"C:\Users\Admin\AppData\Local\Temp\3584010af4c61f06ddedbc2d740c5c787ac08e62e00f6ec267cd73baef3b21f4.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | patria.duckdns.org | udp |
| SE | 46.246.6.12:1995 | patria.duckdns.org | tcp |
Files
memory/2108-0-0x0000000074C50000-0x00000000751FB000-memory.dmp
memory/2108-1-0x0000000074C50000-0x00000000751FB000-memory.dmp
memory/2108-2-0x0000000000B90000-0x0000000000BD0000-memory.dmp
memory/2108-3-0x0000000074C50000-0x00000000751FB000-memory.dmp
memory/2108-4-0x0000000074C50000-0x00000000751FB000-memory.dmp
memory/2108-5-0x0000000000B90000-0x0000000000BD0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-11 05:56
Reported
2024-02-11 05:58
Platform
win10v2004-20231215-en
Max time kernel
90s
Max time network
92s
Command Line
Signatures
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeRestorePrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4640 wrote to memory of 5064 | N/A | C:\Users\Admin\AppData\Local\Temp\3584010af4c61f06ddedbc2d740c5c787ac08e62e00f6ec267cd73baef3b21f4.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe |
| PID 4640 wrote to memory of 5064 | N/A | C:\Users\Admin\AppData\Local\Temp\3584010af4c61f06ddedbc2d740c5c787ac08e62e00f6ec267cd73baef3b21f4.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe |
| PID 4640 wrote to memory of 5064 | N/A | C:\Users\Admin\AppData\Local\Temp\3584010af4c61f06ddedbc2d740c5c787ac08e62e00f6ec267cd73baef3b21f4.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\3584010af4c61f06ddedbc2d740c5c787ac08e62e00f6ec267cd73baef3b21f4.exe
"C:\Users\Admin\AppData\Local\Temp\3584010af4c61f06ddedbc2d740c5c787ac08e62e00f6ec267cd73baef3b21f4.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 452
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| 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 |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
Files
memory/4640-0-0x0000000075020000-0x00000000755D1000-memory.dmp
memory/4640-1-0x0000000000D00000-0x0000000000D10000-memory.dmp
memory/4640-2-0x0000000075020000-0x00000000755D1000-memory.dmp
memory/4640-9-0x0000000075020000-0x00000000755D1000-memory.dmp