Analysis Overview
SHA256
d3ebc38f1bf79e075733d65f3fb11a3248c4299136b6fa90e2d4de970f6ece29
Threat Level: Known bad
The file d3ebc38f1bf79e075733d65f3fb11a3248c4299136b6fa90e2d4de970f6ece29 was found to be: Known bad.
Malicious Activity Summary
Orcus main payload
Orcus family
Orcus
Orcurs Rat Executable
Orcurs Rat Executable
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Drops file in Program Files directory
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-20 01:02
Signatures
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Orcus family
Orcus main payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-20 01:02
Reported
2023-12-20 01:05
Platform
win7-20231215-en
Max time kernel
146s
Max time network
118s
Command Line
Signatures
Orcus
Orcus main payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d3ebc38f1bf79e075733d65f3fb11a3248c4299136b6fa90e2d4de970f6ece29.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\Orcus\Orcus.exe | C:\Users\Admin\AppData\Local\Temp\d3ebc38f1bf79e075733d65f3fb11a3248c4299136b6fa90e2d4de970f6ece29.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Orcus\Orcus.exe | C:\Users\Admin\AppData\Local\Temp\d3ebc38f1bf79e075733d65f3fb11a3248c4299136b6fa90e2d4de970f6ece29.exe | N/A |
| File created | C:\Program Files (x86)\Orcus\Orcus.exe.config | C:\Users\Admin\AppData\Local\Temp\d3ebc38f1bf79e075733d65f3fb11a3248c4299136b6fa90e2d4de970f6ece29.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1128 wrote to memory of 2044 | N/A | C:\Users\Admin\AppData\Local\Temp\d3ebc38f1bf79e075733d65f3fb11a3248c4299136b6fa90e2d4de970f6ece29.exe | C:\Program Files (x86)\Orcus\Orcus.exe |
| PID 1128 wrote to memory of 2044 | N/A | C:\Users\Admin\AppData\Local\Temp\d3ebc38f1bf79e075733d65f3fb11a3248c4299136b6fa90e2d4de970f6ece29.exe | C:\Program Files (x86)\Orcus\Orcus.exe |
| PID 1128 wrote to memory of 2044 | N/A | C:\Users\Admin\AppData\Local\Temp\d3ebc38f1bf79e075733d65f3fb11a3248c4299136b6fa90e2d4de970f6ece29.exe | C:\Program Files (x86)\Orcus\Orcus.exe |
| PID 1128 wrote to memory of 2044 | N/A | C:\Users\Admin\AppData\Local\Temp\d3ebc38f1bf79e075733d65f3fb11a3248c4299136b6fa90e2d4de970f6ece29.exe | C:\Program Files (x86)\Orcus\Orcus.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\d3ebc38f1bf79e075733d65f3fb11a3248c4299136b6fa90e2d4de970f6ece29.exe
"C:\Users\Admin\AppData\Local\Temp\d3ebc38f1bf79e075733d65f3fb11a3248c4299136b6fa90e2d4de970f6ece29.exe"
C:\Program Files (x86)\Orcus\Orcus.exe
"C:\Program Files (x86)\Orcus\Orcus.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:1268 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:1268 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:1268 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:1268 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:1268 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:1268 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:1268 | tcp | |
| N/A | 127.0.0.1:10134 | tcp |
Files
memory/1128-0-0x00000000011E0000-0x00000000012C8000-memory.dmp
memory/1128-1-0x0000000074B10000-0x00000000751FE000-memory.dmp
memory/1128-2-0x0000000004B80000-0x0000000004BC0000-memory.dmp
memory/1128-3-0x0000000000450000-0x000000000045E000-memory.dmp
memory/1128-4-0x0000000000630000-0x000000000068C000-memory.dmp
memory/1128-5-0x00000000006F0000-0x0000000000702000-memory.dmp
\Program Files (x86)\Orcus\Orcus.exe
| MD5 | 2205c76112af16e6dc22a44090960133 |
| SHA1 | 644812fdc6417d67c0948cb9e05f57065ffa1b5f |
| SHA256 | d3ebc38f1bf79e075733d65f3fb11a3248c4299136b6fa90e2d4de970f6ece29 |
| SHA512 | 2f9b1302cc0453eeb9ca7a2b591af92bc69c36dcbab73d5eefd745b5cb3ab725033c72e71cc791ec46bd1c3a30f301322b6478e040cdc2d79e21cc2ba98dbb75 |
memory/1128-16-0x0000000074B10000-0x00000000751FE000-memory.dmp
memory/2044-18-0x0000000074B10000-0x00000000751FE000-memory.dmp
memory/2044-17-0x0000000001210000-0x00000000012F8000-memory.dmp
C:\Program Files (x86)\Orcus\Orcus.exe.config
| MD5 | a2b76cea3a59fa9af5ea21ff68139c98 |
| SHA1 | 35d76475e6a54c168f536e30206578babff58274 |
| SHA256 | f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839 |
| SHA512 | b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad |
memory/2044-19-0x0000000004BD0000-0x0000000004C10000-memory.dmp
memory/2044-20-0x0000000000A40000-0x0000000000A58000-memory.dmp
memory/2044-21-0x0000000000AC0000-0x0000000000AD0000-memory.dmp
memory/1128-6-0x0000000000710000-0x0000000000718000-memory.dmp
memory/2044-22-0x0000000074B10000-0x00000000751FE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-20 01:02
Reported
2023-12-20 01:05
Platform
win10v2004-20231215-en
Max time kernel
148s
Max time network
138s
Command Line
Signatures
Orcus
Orcus main payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\d3ebc38f1bf79e075733d65f3fb11a3248c4299136b6fa90e2d4de970f6ece29.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\Orcus\Orcus.exe | C:\Users\Admin\AppData\Local\Temp\d3ebc38f1bf79e075733d65f3fb11a3248c4299136b6fa90e2d4de970f6ece29.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Orcus\Orcus.exe | C:\Users\Admin\AppData\Local\Temp\d3ebc38f1bf79e075733d65f3fb11a3248c4299136b6fa90e2d4de970f6ece29.exe | N/A |
| File created | C:\Program Files (x86)\Orcus\Orcus.exe.config | C:\Users\Admin\AppData\Local\Temp\d3ebc38f1bf79e075733d65f3fb11a3248c4299136b6fa90e2d4de970f6ece29.exe | N/A |
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 684 wrote to memory of 60 | N/A | C:\Users\Admin\AppData\Local\Temp\d3ebc38f1bf79e075733d65f3fb11a3248c4299136b6fa90e2d4de970f6ece29.exe | C:\Program Files (x86)\Orcus\Orcus.exe |
| PID 684 wrote to memory of 60 | N/A | C:\Users\Admin\AppData\Local\Temp\d3ebc38f1bf79e075733d65f3fb11a3248c4299136b6fa90e2d4de970f6ece29.exe | C:\Program Files (x86)\Orcus\Orcus.exe |
| PID 684 wrote to memory of 60 | N/A | C:\Users\Admin\AppData\Local\Temp\d3ebc38f1bf79e075733d65f3fb11a3248c4299136b6fa90e2d4de970f6ece29.exe | C:\Program Files (x86)\Orcus\Orcus.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\d3ebc38f1bf79e075733d65f3fb11a3248c4299136b6fa90e2d4de970f6ece29.exe
"C:\Users\Admin\AppData\Local\Temp\d3ebc38f1bf79e075733d65f3fb11a3248c4299136b6fa90e2d4de970f6ece29.exe"
C:\Program Files (x86)\Orcus\Orcus.exe
"C:\Program Files (x86)\Orcus\Orcus.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 85.177.190.20.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 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| N/A | 127.0.0.1:1268 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:1268 | tcp | |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:1268 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:1268 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| N/A | 127.0.0.1:1268 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:1268 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:1268 | tcp |
Files
memory/684-1-0x00000000749B0000-0x0000000075160000-memory.dmp
memory/684-0-0x0000000000C80000-0x0000000000D68000-memory.dmp
memory/684-2-0x00000000055B0000-0x00000000055C0000-memory.dmp
memory/684-3-0x00000000015E0000-0x00000000015EE000-memory.dmp
memory/684-4-0x00000000055C0000-0x000000000561C000-memory.dmp
memory/684-5-0x0000000005C50000-0x00000000061F4000-memory.dmp
memory/684-6-0x0000000005740000-0x00000000057D2000-memory.dmp
memory/684-8-0x0000000005730000-0x0000000005738000-memory.dmp
memory/684-7-0x0000000005720000-0x0000000005732000-memory.dmp
C:\Program Files (x86)\Orcus\Orcus.exe
| MD5 | 2205c76112af16e6dc22a44090960133 |
| SHA1 | 644812fdc6417d67c0948cb9e05f57065ffa1b5f |
| SHA256 | d3ebc38f1bf79e075733d65f3fb11a3248c4299136b6fa90e2d4de970f6ece29 |
| SHA512 | 2f9b1302cc0453eeb9ca7a2b591af92bc69c36dcbab73d5eefd745b5cb3ab725033c72e71cc791ec46bd1c3a30f301322b6478e040cdc2d79e21cc2ba98dbb75 |
C:\Program Files (x86)\Orcus\Orcus.exe
| MD5 | ad8e828615846904d3ac2c3e673ed168 |
| SHA1 | fd73be73080a5c958f3d4dc12b118cddd253e8fe |
| SHA256 | fef488f6b9172a7cfeef24c64188a6ffc3a5a90127ff872b89cf05386c8ca3bf |
| SHA512 | fe3b1147d91813471ab4521f45d89463dcc0dd1601fca26e87c54de5ae16047160d208cebbe5f5346a1733667ed8912f21d30c726b887cafc0d694a054e6cda8 |
memory/684-24-0x00000000749B0000-0x0000000075160000-memory.dmp
memory/60-23-0x00000000749B0000-0x0000000075160000-memory.dmp
C:\Program Files (x86)\Orcus\Orcus.exe.config
| MD5 | a2b76cea3a59fa9af5ea21ff68139c98 |
| SHA1 | 35d76475e6a54c168f536e30206578babff58274 |
| SHA256 | f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839 |
| SHA512 | b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad |
memory/60-25-0x0000000005530000-0x0000000005540000-memory.dmp
memory/60-26-0x0000000005AF0000-0x0000000005B08000-memory.dmp
memory/60-28-0x0000000006230000-0x0000000006240000-memory.dmp
memory/60-27-0x0000000006410000-0x00000000065D2000-memory.dmp
memory/60-29-0x0000000006730000-0x000000000673A000-memory.dmp
memory/60-30-0x00000000749B0000-0x0000000075160000-memory.dmp
memory/60-31-0x0000000005530000-0x0000000005540000-memory.dmp