Analysis Overview
SHA256
ab23de5f1c097be589e6802a230a24c10e07f60f13214e1f011042f4e51061cf
Threat Level: Known bad
The file bT57.exe was found to be: Known bad.
Malicious Activity Summary
Njrat family
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-02-12 21:07
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-12 21:07
Reported
2024-02-12 21:10
Platform
win7-20231129-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2900 wrote to memory of 968 | N/A | C:\Users\Admin\AppData\Local\Temp\bT57.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2900 wrote to memory of 968 | N/A | C:\Users\Admin\AppData\Local\Temp\bT57.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2900 wrote to memory of 968 | N/A | C:\Users\Admin\AppData\Local\Temp\bT57.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2900 wrote to memory of 968 | N/A | C:\Users\Admin\AppData\Local\Temp\bT57.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\bT57.exe
"C:\Users\Admin\AppData\Local\Temp\bT57.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /C Y /N /D Y /T 1 & Del "C:\Users\Admin\AppData\Local\Temp\bT57.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | patria.duckdns.org | udp |
| SE | 46.246.80.9:1995 | patria.duckdns.org | tcp |
Files
memory/2900-1-0x0000000000560000-0x00000000005A0000-memory.dmp
memory/2900-0-0x0000000074CA0000-0x000000007524B000-memory.dmp
memory/2900-2-0x0000000074CA0000-0x000000007524B000-memory.dmp
memory/2900-3-0x0000000000560000-0x00000000005A0000-memory.dmp
memory/2900-4-0x0000000074CA0000-0x000000007524B000-memory.dmp
memory/2900-5-0x0000000000560000-0x00000000005A0000-memory.dmp
memory/2900-6-0x0000000000560000-0x00000000005A0000-memory.dmp
memory/2900-7-0x0000000074CA0000-0x000000007524B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-12 21:07
Reported
2024-02-12 21:10
Platform
win10v2004-20231215-en
Max time kernel
145s
Max time network
150s
Command Line
Signatures
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2904 wrote to memory of 2408 | N/A | C:\Users\Admin\AppData\Local\Temp\bT57.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2904 wrote to memory of 2408 | N/A | C:\Users\Admin\AppData\Local\Temp\bT57.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2904 wrote to memory of 2408 | N/A | C:\Users\Admin\AppData\Local\Temp\bT57.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\bT57.exe
"C:\Users\Admin\AppData\Local\Temp\bT57.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /C Y /N /D Y /T 1 & Del "C:\Users\Admin\AppData\Local\Temp\bT57.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 188.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | patria.duckdns.org | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| SE | 46.246.80.9:1995 | patria.duckdns.org | tcp |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.80.246.46.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.160.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 16.234.44.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 201.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 179.178.17.96.in-addr.arpa | udp |
Files
memory/2904-0-0x0000000075090000-0x0000000075641000-memory.dmp
memory/2904-1-0x0000000075090000-0x0000000075641000-memory.dmp
memory/2904-2-0x0000000000C70000-0x0000000000C80000-memory.dmp
memory/2904-3-0x0000000000C70000-0x0000000000C80000-memory.dmp
memory/2904-4-0x0000000075090000-0x0000000075641000-memory.dmp
memory/2904-5-0x0000000075090000-0x0000000075641000-memory.dmp
memory/2904-6-0x0000000000C70000-0x0000000000C80000-memory.dmp
memory/2904-8-0x0000000075090000-0x0000000075641000-memory.dmp