Analysis Overview
SHA256
84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13
Threat Level: Known bad
The file 84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13_JC.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
2023-08-21 19:04
Signatures
Njrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-08-21 19:04
Reported
2023-08-21 19:07
Platform
win7-20230712-en
Max time kernel
118s
Max time network
122s
Command Line
Signatures
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13_JC.exe | N/A |
| Token: 33 | N/A | C:\Users\Admin\AppData\Local\Temp\84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13_JC.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13_JC.exe | N/A |
| Token: 33 | N/A | C:\Users\Admin\AppData\Local\Temp\84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13_JC.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13_JC.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2912 wrote to memory of 2752 | N/A | C:\Users\Admin\AppData\Local\Temp\84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13_JC.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2912 wrote to memory of 2752 | N/A | C:\Users\Admin\AppData\Local\Temp\84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13_JC.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2912 wrote to memory of 2752 | N/A | C:\Users\Admin\AppData\Local\Temp\84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13_JC.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2912 wrote to memory of 2752 | N/A | C:\Users\Admin\AppData\Local\Temp\84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13_JC.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13_JC.exe
"C:\Users\Admin\AppData\Local\Temp\84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13_JC.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /C Y /N /D Y /T 1 & Del "C:\Users\Admin\AppData\Local\Temp\84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13_JC.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | fortuna777.duckdns.org | udp |
| SE | 46.246.84.11:1994 | fortuna777.duckdns.org | tcp |
Files
memory/2912-53-0x00000000740C0000-0x000000007466B000-memory.dmp
memory/2912-55-0x0000000000470000-0x00000000004B0000-memory.dmp
memory/2912-54-0x00000000740C0000-0x000000007466B000-memory.dmp
memory/2912-56-0x00000000740C0000-0x000000007466B000-memory.dmp
memory/2912-57-0x00000000740C0000-0x000000007466B000-memory.dmp
memory/2912-58-0x0000000000470000-0x00000000004B0000-memory.dmp
memory/2912-59-0x00000000740C0000-0x000000007466B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-08-21 19:04
Reported
2023-08-21 19:07
Platform
win10v2004-20230703-en
Max time kernel
90s
Max time network
155s
Command Line
Signatures
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13_JC.exe | N/A |
| Token: 33 | N/A | C:\Users\Admin\AppData\Local\Temp\84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13_JC.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13_JC.exe | N/A |
| Token: 33 | N/A | C:\Users\Admin\AppData\Local\Temp\84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13_JC.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13_JC.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2924 wrote to memory of 5104 | N/A | C:\Users\Admin\AppData\Local\Temp\84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13_JC.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2924 wrote to memory of 5104 | N/A | C:\Users\Admin\AppData\Local\Temp\84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13_JC.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 2924 wrote to memory of 5104 | N/A | C:\Users\Admin\AppData\Local\Temp\84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13_JC.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13_JC.exe
"C:\Users\Admin\AppData\Local\Temp\84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13_JC.exe"
C:\Windows\SysWOW64\cmd.exe
cmd.exe /C Y /N /D Y /T 1 & Del "C:\Users\Admin\AppData\Local\Temp\84bf16e9fc3e8e8ca252e0d61340bdbf947d94e8aa4863452a75226331726e13_JC.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | fortuna777.duckdns.org | udp |
| SE | 46.246.84.11:1994 | fortuna777.duckdns.org | tcp |
| US | 8.8.8.8:53 | 11.84.246.46.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
Files
memory/2924-133-0x0000000074840000-0x0000000074DF1000-memory.dmp
memory/2924-134-0x0000000074840000-0x0000000074DF1000-memory.dmp
memory/2924-135-0x0000000000BF0000-0x0000000000C00000-memory.dmp
memory/2924-136-0x0000000074840000-0x0000000074DF1000-memory.dmp
memory/2924-137-0x0000000074840000-0x0000000074DF1000-memory.dmp
memory/2924-138-0x0000000000BF0000-0x0000000000C00000-memory.dmp
memory/2924-139-0x0000000000BF0000-0x0000000000C00000-memory.dmp
memory/2924-141-0x0000000074840000-0x0000000074DF1000-memory.dmp