Analysis Overview
SHA256
911e3e95efddbae9d1c2f4b04027567c76823116755097b5868b7241c7e30cbc
Threat Level: Known bad
The file Orcus.Administration.exe was found to be: Known bad.
Malicious Activity Summary
Orcurs Rat Executable
Orcus family
Orcus
Orcurs Rat Executable
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-02-13 16:16
Signatures
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Orcus family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-13 16:16
Reported
2024-02-13 16:47
Platform
win10v2004-20231215-en
Max time kernel
1166s
Max time network
1167s
Command Line
Signatures
Orcus
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\Orcus.Administration.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Orcus.Administration.exe
"C:\Users\Admin\AppData\Local\Temp\Orcus.Administration.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4976 -ip 4976
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4976 -s 804
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 202.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.211.222.173.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
Files
memory/4976-0-0x0000000074650000-0x0000000074E00000-memory.dmp
memory/4976-1-0x0000000000D70000-0x0000000001DAE000-memory.dmp
memory/4976-2-0x0000000074650000-0x0000000074E00000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-13 16:16
Reported
2024-02-13 16:47
Platform
win7-20231215-en
Max time kernel
1557s
Max time network
1560s
Command Line
Signatures
Orcus
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\Orcus.Administration.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1708 wrote to memory of 2044 | N/A | C:\Users\Admin\AppData\Local\Temp\Orcus.Administration.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1708 wrote to memory of 2044 | N/A | C:\Users\Admin\AppData\Local\Temp\Orcus.Administration.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1708 wrote to memory of 2044 | N/A | C:\Users\Admin\AppData\Local\Temp\Orcus.Administration.exe | C:\Windows\SysWOW64\WerFault.exe |
| PID 1708 wrote to memory of 2044 | N/A | C:\Users\Admin\AppData\Local\Temp\Orcus.Administration.exe | C:\Windows\SysWOW64\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Orcus.Administration.exe
"C:\Users\Admin\AppData\Local\Temp\Orcus.Administration.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 548
Network
Files
memory/1708-0-0x00000000746A0000-0x0000000074D8E000-memory.dmp
memory/1708-1-0x0000000000150000-0x000000000118E000-memory.dmp
memory/1708-2-0x00000000746A0000-0x0000000074D8E000-memory.dmp