Analysis Overview
SHA256
3ba4240f334de3b93655a053fc2574c0228757a9948354d3e97637ab36be7700
Threat Level: Known bad
The file eb96f321bac830019d44e74dc71e7d5e was found to be: Known bad.
Malicious Activity Summary
Orcus
Orcurs Rat Executable
Loads dropped DLL
Executes dropped EXE
Suspicious use of NtSetInformationThreadHideFromDebugger
Unsigned PE
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-28 17:19
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-28 17:19
Reported
2024-01-09 14:27
Platform
win10v2004-20231222-en
Max time kernel
1s
Max time network
103s
Command Line
Signatures
Orcus
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe
"C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe"
C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe
C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe
C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe" 5052
C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe" 5052
Network
| Country | Destination | Domain | Proto |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 19.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 6.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| N/A | 192.168.0.9:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp |
Files
memory/5052-0-0x00000000008D0000-0x0000000000D1E000-memory.dmp
memory/5052-2-0x0000000073CE0000-0x0000000074490000-memory.dmp
memory/5052-3-0x0000000005F10000-0x0000000005F20000-memory.dmp
memory/5052-4-0x0000000003D20000-0x0000000003D2E000-memory.dmp
memory/5052-5-0x0000000005F20000-0x0000000005F7C000-memory.dmp
memory/5052-6-0x0000000006530000-0x0000000006AD4000-memory.dmp
memory/5052-7-0x0000000006050000-0x00000000060E2000-memory.dmp
memory/5052-1-0x00000000008D0000-0x0000000000D1E000-memory.dmp
memory/5052-8-0x0000000006AE0000-0x0000000006AF2000-memory.dmp
memory/5052-9-0x0000000006AF0000-0x0000000006B3E000-memory.dmp
memory/5052-12-0x0000000006EC0000-0x0000000006ED0000-memory.dmp
memory/4152-11-0x00000000008D0000-0x0000000000D1E000-memory.dmp
memory/5052-13-0x00000000070D0000-0x00000000070DA000-memory.dmp
memory/4152-16-0x0000000073CE0000-0x0000000074490000-memory.dmp
memory/4152-18-0x00000000008D0000-0x0000000000D1E000-memory.dmp
memory/4500-31-0x0000000000B80000-0x0000000000B88000-memory.dmp
memory/4500-32-0x0000000073CE0000-0x0000000074490000-memory.dmp
memory/3844-37-0x0000000073CE0000-0x0000000074490000-memory.dmp
memory/4500-36-0x0000000073CE0000-0x0000000074490000-memory.dmp
memory/4152-20-0x00000000056F0000-0x0000000005700000-memory.dmp
memory/4152-17-0x00000000008D0000-0x0000000000D1E000-memory.dmp
memory/5052-10-0x0000000006D20000-0x0000000006D38000-memory.dmp
memory/4152-40-0x00000000008D0000-0x0000000000D1E000-memory.dmp
memory/4152-41-0x0000000073CE0000-0x0000000074490000-memory.dmp
memory/5052-42-0x00000000008D0000-0x0000000000D1E000-memory.dmp
memory/5052-44-0x0000000073CE0000-0x0000000074490000-memory.dmp
memory/5052-45-0x0000000005F10000-0x0000000005F20000-memory.dmp
memory/3844-47-0x0000000073CE0000-0x0000000074490000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-28 17:19
Reported
2024-01-09 14:28
Platform
win7-20231215-en
Max time kernel
150s
Max time network
153s
Command Line
Signatures
Orcus
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe
"C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {5AFC3961-4B6C-4895-A4F8-83E4002163B5} S-1-5-21-1603059206-2004189698-4139800220-1000:AILVMYUM\Admin:Interactive:[1]
C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe
C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe
C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe" 1904
C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe" 1904
Network
| Country | Destination | Domain | Proto |
| N/A | 192.168.0.9:10134 | tcp | |
| N/A | 192.168.0.9:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 192.168.0.9:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 192.168.0.9:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 192.168.0.9:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 192.168.0.9:10134 | tcp |
Files
memory/1904-0-0x0000000000D30000-0x000000000117E000-memory.dmp
memory/1904-2-0x00000000746C0000-0x0000000074DAE000-memory.dmp
memory/1904-1-0x0000000000D30000-0x000000000117E000-memory.dmp
memory/1904-3-0x00000000054C0000-0x0000000005500000-memory.dmp
memory/1904-4-0x0000000000530000-0x000000000053E000-memory.dmp
memory/1904-5-0x0000000002E50000-0x0000000002EAC000-memory.dmp
memory/1904-6-0x0000000000570000-0x0000000000582000-memory.dmp
memory/1904-7-0x0000000005190000-0x00000000051DE000-memory.dmp
memory/1904-8-0x0000000000D10000-0x0000000000D28000-memory.dmp
memory/2872-9-0x0000000000D30000-0x000000000117E000-memory.dmp
memory/1904-10-0x00000000029A0000-0x00000000029B0000-memory.dmp
memory/2872-17-0x00000000746C0000-0x0000000074DAE000-memory.dmp
memory/2740-22-0x00000000746C0000-0x0000000074DAE000-memory.dmp
memory/2872-24-0x0000000005740000-0x0000000005780000-memory.dmp
memory/2776-27-0x00000000746C0000-0x0000000074DAE000-memory.dmp
memory/2740-28-0x00000000746C0000-0x0000000074DAE000-memory.dmp
memory/2740-23-0x0000000001010000-0x0000000001018000-memory.dmp
memory/2872-14-0x0000000000D30000-0x000000000117E000-memory.dmp
memory/2872-30-0x0000000000D30000-0x000000000117E000-memory.dmp
memory/2872-31-0x00000000746C0000-0x0000000074DAE000-memory.dmp
memory/1904-33-0x00000000746C0000-0x0000000074DAE000-memory.dmp
memory/1904-34-0x00000000054C0000-0x0000000005500000-memory.dmp
memory/2776-36-0x00000000746C0000-0x0000000074DAE000-memory.dmp