Analysis Overview
SHA256
f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b
Threat Level: Known bad
The file f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b was found to be: Known bad.
Malicious Activity Summary
Orcus
Orcus family
Orcurs Rat Executable
Orcus main payload
Orcurs Rat Executable
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-01-05 01:16
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: behavioral2
Detonation Overview
Submitted
2024-01-05 01:16
Reported
2024-01-05 01:19
Platform
win10v2004-20231215-en
Max time kernel
167s
Max time network
183s
Command Line
Signatures
Orcus
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe
"C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 148.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| 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 | 200.197.79.204.in-addr.arpa | udp |
| N/A | 127.0.0.1:10134 | tcp | |
| N/A | 127.0.0.1:10134 | tcp | |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| N/A | 127.0.0.1:10134 | tcp |
Files
memory/488-0-0x0000000075340000-0x0000000075AF0000-memory.dmp
memory/488-1-0x0000000000D30000-0x000000000102A000-memory.dmp
memory/488-2-0x00000000059C0000-0x00000000059D0000-memory.dmp
memory/488-3-0x0000000075340000-0x0000000075AF0000-memory.dmp
memory/488-4-0x0000000005980000-0x000000000598E000-memory.dmp
memory/488-5-0x0000000005BF0000-0x0000000005C4C000-memory.dmp
memory/488-6-0x00000000062E0000-0x0000000006884000-memory.dmp
memory/488-7-0x00000000059C0000-0x00000000059D0000-memory.dmp
memory/488-8-0x0000000005FE0000-0x0000000006072000-memory.dmp
memory/488-9-0x0000000001470000-0x0000000001482000-memory.dmp
memory/488-10-0x00000000059F0000-0x0000000005A08000-memory.dmp
memory/488-11-0x0000000006A60000-0x0000000006C22000-memory.dmp
memory/488-12-0x0000000005A90000-0x0000000005AA0000-memory.dmp
memory/488-13-0x0000000005B00000-0x0000000005B0A000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-05 01:16
Reported
2024-01-05 01:19
Platform
win7-20231215-en
Max time kernel
141s
Max time network
125s
Command Line
Signatures
Orcus
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe
"C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe"
Network
| Country | Destination | Domain | Proto |
| 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 | 127.0.0.1:10134 | 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 |
Files
memory/2772-1-0x0000000074530000-0x0000000074C1E000-memory.dmp
memory/2772-0-0x0000000001340000-0x000000000163A000-memory.dmp
memory/2772-2-0x00000000011B0000-0x00000000011F0000-memory.dmp
memory/2772-3-0x00000000003C0000-0x00000000003CE000-memory.dmp
memory/2772-4-0x0000000000FC0000-0x000000000101C000-memory.dmp
memory/2772-5-0x0000000000510000-0x0000000000522000-memory.dmp
memory/2772-6-0x0000000000BB0000-0x0000000000BC8000-memory.dmp
memory/2772-7-0x0000000001150000-0x0000000001160000-memory.dmp
memory/2772-8-0x0000000074530000-0x0000000074C1E000-memory.dmp
memory/2772-9-0x00000000011B0000-0x00000000011F0000-memory.dmp