Analysis Overview
SHA256
1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c
Threat Level: Known bad
The file 1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c was found to be: Known bad.
Malicious Activity Summary
Orcus
Orcus main payload
Orcus family
Orcurs Rat Executable
Orcurs Rat Executable
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Drops file in Program Files directory
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-10 01:01
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
2023-12-10 01:01
Reported
2023-12-10 01:04
Platform
win7-20231020-en
Max time kernel
149s
Max time network
125s
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 |
| 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 |
| 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\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.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\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Orcus\Orcus.exe | C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe | N/A |
| File created | C:\Program Files (x86)\Orcus\Orcus.exe.config | C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.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 WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3048 wrote to memory of 2352 | N/A | C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe | C:\Program Files (x86)\Orcus\Orcus.exe |
| PID 3048 wrote to memory of 2352 | N/A | C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe | C:\Program Files (x86)\Orcus\Orcus.exe |
| PID 3048 wrote to memory of 2352 | N/A | C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe | C:\Program Files (x86)\Orcus\Orcus.exe |
| PID 3048 wrote to memory of 2352 | N/A | C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe | C:\Program Files (x86)\Orcus\Orcus.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe
"C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe"
C:\Program Files (x86)\Orcus\Orcus.exe
"C:\Program Files (x86)\Orcus\Orcus.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp |
Files
memory/3048-0-0x0000000000890000-0x000000000097A000-memory.dmp
memory/3048-1-0x0000000074660000-0x0000000074D4E000-memory.dmp
memory/3048-2-0x0000000004730000-0x0000000004770000-memory.dmp
memory/3048-3-0x00000000001F0000-0x00000000001FE000-memory.dmp
memory/3048-4-0x00000000005C0000-0x000000000061C000-memory.dmp
memory/3048-5-0x0000000000400000-0x0000000000412000-memory.dmp
memory/3048-6-0x0000000000420000-0x0000000000428000-memory.dmp
memory/3048-7-0x0000000000430000-0x0000000000438000-memory.dmp
\Program Files (x86)\Orcus\Orcus.exe
| MD5 | eecb08a8142e3504f914a4b001a4aa48 |
| SHA1 | ad0828ca3e3d04219545d0de90a176f71815e78c |
| SHA256 | 1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c |
| SHA512 | c760859e7f9e5d87bfeaab151f4b31fa2a5a7d615fc74e54fdf115b670d02ee9b2ca8b8041bf4580d100a7519f71c3197239bc53b44fefcde7b5cc37c1192264 |
C:\Program Files (x86)\Orcus\Orcus.exe
| MD5 | eecb08a8142e3504f914a4b001a4aa48 |
| SHA1 | ad0828ca3e3d04219545d0de90a176f71815e78c |
| SHA256 | 1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c |
| SHA512 | c760859e7f9e5d87bfeaab151f4b31fa2a5a7d615fc74e54fdf115b670d02ee9b2ca8b8041bf4580d100a7519f71c3197239bc53b44fefcde7b5cc37c1192264 |
C:\Program Files (x86)\Orcus\Orcus.exe.config
| MD5 | a2b76cea3a59fa9af5ea21ff68139c98 |
| SHA1 | 35d76475e6a54c168f536e30206578babff58274 |
| SHA256 | f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839 |
| SHA512 | b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad |
memory/2352-18-0x0000000074660000-0x0000000074D4E000-memory.dmp
C:\Program Files (x86)\Orcus\Orcus.exe
| MD5 | eecb08a8142e3504f914a4b001a4aa48 |
| SHA1 | ad0828ca3e3d04219545d0de90a176f71815e78c |
| SHA256 | 1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c |
| SHA512 | c760859e7f9e5d87bfeaab151f4b31fa2a5a7d615fc74e54fdf115b670d02ee9b2ca8b8041bf4580d100a7519f71c3197239bc53b44fefcde7b5cc37c1192264 |
memory/3048-19-0x0000000074660000-0x0000000074D4E000-memory.dmp
memory/2352-20-0x0000000000DB0000-0x0000000000E9A000-memory.dmp
memory/2352-21-0x0000000004AE0000-0x0000000004B20000-memory.dmp
C:\Users\Admin\AppData\Roaming\Orcus\err_9330fd5dd8ac40358129df34f738958a.dat
| MD5 | f94c34a067752e878c3f9eeb56802122 |
| SHA1 | fd6fd174f68c2a4a9a101a96a855774906550fcc |
| SHA256 | ab0deedd1eb328e0a05376929e6beedf072397c09477d7cc6bf3ed7aa9a7ce15 |
| SHA512 | 51e2843c900dc5371fcd3cb3a3666336549aa40000d69b95fd5eac0006819091bf5c2b92f276b1e6af7bcbde8e86da5872b8c4d0c0db835baa215e273ed96102 |
memory/2352-24-0x0000000000D90000-0x0000000000DA8000-memory.dmp
memory/2352-25-0x00000000048B0000-0x00000000048C0000-memory.dmp
memory/2352-26-0x0000000074660000-0x0000000074D4E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-10 01:01
Reported
2023-12-10 01:04
Platform
win10v2004-20231130-en
Max time kernel
148s
Max time network
123s
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 |
| 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 |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.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\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Orcus\Orcus.exe | C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe | N/A |
| File created | C:\Program Files (x86)\Orcus\Orcus.exe.config | C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.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 WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1612 wrote to memory of 2728 | N/A | C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe | C:\Program Files (x86)\Orcus\Orcus.exe |
| PID 1612 wrote to memory of 2728 | N/A | C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe | C:\Program Files (x86)\Orcus\Orcus.exe |
| PID 1612 wrote to memory of 2728 | N/A | C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe | C:\Program Files (x86)\Orcus\Orcus.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe
"C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.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 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.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 | 19.53.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp | |
| N/A | 127.0.0.1:6667 | tcp |
Files
memory/1612-1-0x0000000000250000-0x000000000033A000-memory.dmp
memory/1612-0-0x0000000074B90000-0x0000000075340000-memory.dmp
memory/1612-2-0x0000000004FA0000-0x0000000004FB0000-memory.dmp
memory/1612-4-0x0000000004CE0000-0x0000000004D3C000-memory.dmp
memory/1612-6-0x0000000004EB0000-0x0000000004F42000-memory.dmp
memory/1612-5-0x0000000005560000-0x0000000005B04000-memory.dmp
memory/1612-3-0x00000000026C0000-0x00000000026CE000-memory.dmp
memory/1612-9-0x0000000004F50000-0x0000000004F58000-memory.dmp
memory/1612-10-0x0000000005420000-0x0000000005486000-memory.dmp
memory/1612-8-0x0000000004EA0000-0x0000000004EA8000-memory.dmp
memory/1612-12-0x00000000054C0000-0x00000000054D2000-memory.dmp
memory/1612-13-0x0000000005520000-0x000000000555C000-memory.dmp
memory/1612-14-0x0000000005B10000-0x0000000005B5C000-memory.dmp
memory/1612-11-0x0000000006130000-0x0000000006748000-memory.dmp
memory/1612-7-0x0000000004E90000-0x0000000004EA2000-memory.dmp
memory/1612-15-0x0000000005C90000-0x0000000005D9A000-memory.dmp
C:\Program Files (x86)\Orcus\Orcus.exe
| MD5 | eecb08a8142e3504f914a4b001a4aa48 |
| SHA1 | ad0828ca3e3d04219545d0de90a176f71815e78c |
| SHA256 | 1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c |
| SHA512 | c760859e7f9e5d87bfeaab151f4b31fa2a5a7d615fc74e54fdf115b670d02ee9b2ca8b8041bf4580d100a7519f71c3197239bc53b44fefcde7b5cc37c1192264 |
C:\Program Files (x86)\Orcus\Orcus.exe
| MD5 | eecb08a8142e3504f914a4b001a4aa48 |
| SHA1 | ad0828ca3e3d04219545d0de90a176f71815e78c |
| SHA256 | 1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c |
| SHA512 | c760859e7f9e5d87bfeaab151f4b31fa2a5a7d615fc74e54fdf115b670d02ee9b2ca8b8041bf4580d100a7519f71c3197239bc53b44fefcde7b5cc37c1192264 |
memory/2728-32-0x0000000074B90000-0x0000000075340000-memory.dmp
memory/1612-31-0x0000000074B90000-0x0000000075340000-memory.dmp
C:\Program Files (x86)\Orcus\Orcus.exe.config
| MD5 | a2b76cea3a59fa9af5ea21ff68139c98 |
| SHA1 | 35d76475e6a54c168f536e30206578babff58274 |
| SHA256 | f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839 |
| SHA512 | b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad |
C:\Program Files (x86)\Orcus\Orcus.exe
| MD5 | eecb08a8142e3504f914a4b001a4aa48 |
| SHA1 | ad0828ca3e3d04219545d0de90a176f71815e78c |
| SHA256 | 1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c |
| SHA512 | c760859e7f9e5d87bfeaab151f4b31fa2a5a7d615fc74e54fdf115b670d02ee9b2ca8b8041bf4580d100a7519f71c3197239bc53b44fefcde7b5cc37c1192264 |
C:\Users\Admin\AppData\Roaming\Orcus\err_9330fd5dd8ac40358129df34f738958a.dat
| MD5 | efd8d974235775712af0a92a8d7e6a7c |
| SHA1 | 78e8050df9db23335f79156894ac9ed753af8202 |
| SHA256 | 307484aa838189319c226e18744fef9a3cb32610d400f5d347c5113acafacfd7 |
| SHA512 | ae434c5c678e16e413ed1f1f500354ed61a509ee324821b045cda721e693959eb5cb1d85671f678e5ed0d2fa74a58f7908f77636ac4468a94ba33ea3bdf3fa5a |
memory/2728-35-0x0000000006720000-0x0000000006738000-memory.dmp
memory/2728-36-0x0000000006750000-0x0000000006760000-memory.dmp
memory/2728-37-0x0000000007200000-0x000000000720A000-memory.dmp
memory/2728-38-0x0000000074B90000-0x0000000075340000-memory.dmp
memory/2728-39-0x00000000055E0000-0x00000000055F0000-memory.dmp