Analysis Overview
SHA256
f4d1839c9cf08c78a4764da2dfafa76b9b056fae105ac6d856c931c1651daeee
Threat Level: Known bad
The file f4d1839c9cf08c78a4764da2dfafa76b9b056fae105ac6d856c931c1651daeee was found to be: Known bad.
Malicious Activity Summary
Orcus family
Orcurs Rat Executable
Orcus main payload
Orcus
Orcurs Rat Executable
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of SendNotifyMessage
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-11 01:29
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
2025-01-11 01:29
Reported
2025-01-11 01:32
Platform
win7-20240903-en
Max time kernel
146s
Max time network
150s
Command Line
Signatures
Orcus
Orcus family
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\f4d1839c9cf08c78a4764da2dfafa76b9b056fae105ac6d856c931c1651daeee.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\f4d1839c9cf08c78a4764da2dfafa76b9b056fae105ac6d856c931c1651daeee.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f4d1839c9cf08c78a4764da2dfafa76b9b056fae105ac6d856c931c1651daeee.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f4d1839c9cf08c78a4764da2dfafa76b9b056fae105ac6d856c931c1651daeee.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\f4d1839c9cf08c78a4764da2dfafa76b9b056fae105ac6d856c931c1651daeee.exe
"C:\Users\Admin\AppData\Local\Temp\f4d1839c9cf08c78a4764da2dfafa76b9b056fae105ac6d856c931c1651daeee.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 192.168.31.232:8488 | tcp | |
| N/A | 192.168.31.232:8488 | tcp | |
| N/A | 192.168.31.232:8488 | tcp | |
| N/A | 192.168.31.232:8488 | tcp | |
| N/A | 192.168.31.232:8488 | tcp | |
| N/A | 192.168.31.232:8488 | tcp | |
| N/A | 192.168.31.232:8488 | tcp | |
| N/A | 192.168.31.232:8488 | tcp | |
| N/A | 192.168.31.232:8488 | tcp | |
| N/A | 192.168.31.232:8488 | tcp | |
| N/A | 192.168.31.232:8488 | tcp | |
| N/A | 192.168.31.232:8488 | tcp |
Files
memory/1048-0-0x00000000742EE000-0x00000000742EF000-memory.dmp
memory/1048-1-0x0000000001190000-0x000000000127A000-memory.dmp
memory/1048-2-0x00000000001C0000-0x00000000001CE000-memory.dmp
memory/1048-3-0x00000000742E0000-0x00000000749CE000-memory.dmp
memory/1048-4-0x0000000000990000-0x00000000009EC000-memory.dmp
memory/1048-5-0x0000000000350000-0x0000000000362000-memory.dmp
memory/1048-6-0x0000000000370000-0x0000000000378000-memory.dmp
memory/1048-7-0x00000000003C0000-0x00000000003D8000-memory.dmp
memory/1048-8-0x0000000000AB0000-0x0000000000AC0000-memory.dmp
memory/1048-9-0x00000000742EE000-0x00000000742EF000-memory.dmp
memory/1048-10-0x00000000742E0000-0x00000000749CE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-01-11 01:29
Reported
2025-01-11 01:32
Platform
win10v2004-20241007-en
Max time kernel
145s
Max time network
150s
Command Line
Signatures
Orcus
Orcus family
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\f4d1839c9cf08c78a4764da2dfafa76b9b056fae105ac6d856c931c1651daeee.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\f4d1839c9cf08c78a4764da2dfafa76b9b056fae105ac6d856c931c1651daeee.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f4d1839c9cf08c78a4764da2dfafa76b9b056fae105ac6d856c931c1651daeee.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f4d1839c9cf08c78a4764da2dfafa76b9b056fae105ac6d856c931c1651daeee.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\f4d1839c9cf08c78a4764da2dfafa76b9b056fae105ac6d856c931c1651daeee.exe
"C:\Users\Admin\AppData\Local\Temp\f4d1839c9cf08c78a4764da2dfafa76b9b056fae105ac6d856c931c1651daeee.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| N/A | 192.168.31.232:8488 | tcp | |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| N/A | 192.168.31.232:8488 | tcp | |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| N/A | 192.168.31.232:8488 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| N/A | 192.168.31.232:8488 | tcp | |
| N/A | 192.168.31.232:8488 | tcp | |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| N/A | 192.168.31.232:8488 | tcp | |
| N/A | 192.168.31.232:8488 | tcp | |
| N/A | 192.168.31.232:8488 | tcp | |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| N/A | 192.168.31.232:8488 | tcp | |
| N/A | 192.168.31.232:8488 | tcp | |
| N/A | 192.168.31.232:8488 | tcp | |
| N/A | 192.168.31.232:8488 | tcp |
Files
memory/4440-0-0x00000000753BE000-0x00000000753BF000-memory.dmp
memory/4440-1-0x0000000000D00000-0x0000000000DEA000-memory.dmp
memory/4440-2-0x0000000003170000-0x000000000317E000-memory.dmp
memory/4440-3-0x00000000753B0000-0x0000000075B60000-memory.dmp
memory/4440-4-0x00000000057C0000-0x000000000581C000-memory.dmp
memory/4440-5-0x0000000005F70000-0x0000000006514000-memory.dmp
memory/4440-6-0x0000000005900000-0x0000000005992000-memory.dmp
memory/4440-7-0x0000000005E00000-0x0000000005E12000-memory.dmp
memory/4440-8-0x0000000005E10000-0x0000000005E18000-memory.dmp
memory/4440-9-0x0000000005E30000-0x0000000005E48000-memory.dmp
memory/4440-10-0x0000000005EB0000-0x0000000005EC0000-memory.dmp
memory/4440-11-0x00000000068A0000-0x00000000068AA000-memory.dmp
memory/4440-12-0x00000000753BE000-0x00000000753BF000-memory.dmp
memory/4440-13-0x00000000753B0000-0x0000000075B60000-memory.dmp