Analysis Overview
SHA256
fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905
Threat Level: Known bad
The file fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905 was found to be: Known bad.
Malicious Activity Summary
Orcus
Orcus family
Orcus main payload
Orcurs Rat Executable
Orcurs Rat Executable
Legitimate hosting services abused for malware hosting/C2
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-17 01:24
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
2024-10-17 01:24
Reported
2024-10-17 01:26
Platform
win7-20240903-en
Max time kernel
144s
Max time network
147s
Command Line
Signatures
Orcus
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | 0.tcp.ap.ngrok.io | N/A | N/A |
| N/A | 0.tcp.ap.ngrok.io | N/A | N/A |
| N/A | 0.tcp.ap.ngrok.io | 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\fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905.exe
"C:\Users\Admin\AppData\Local\Temp\fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 0.tcp.ap.ngrok.io | udp |
| SG | 3.1.16.19:14759 | 0.tcp.ap.ngrok.io | tcp |
| SG | 3.1.16.19:14759 | 0.tcp.ap.ngrok.io | tcp |
| SG | 3.1.16.19:14759 | 0.tcp.ap.ngrok.io | tcp |
| SG | 3.1.16.19:14759 | 0.tcp.ap.ngrok.io | tcp |
| SG | 3.1.16.19:14759 | 0.tcp.ap.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.ap.ngrok.io | udp |
| SG | 52.77.3.235:14759 | 0.tcp.ap.ngrok.io | tcp |
| SG | 52.77.3.235:14759 | 0.tcp.ap.ngrok.io | tcp |
| SG | 52.77.3.235:14759 | 0.tcp.ap.ngrok.io | tcp |
| SG | 52.77.3.235:14759 | 0.tcp.ap.ngrok.io | tcp |
| SG | 52.77.3.235:14759 | 0.tcp.ap.ngrok.io | tcp |
| SG | 52.77.3.235:14759 | 0.tcp.ap.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.ap.ngrok.io | udp |
| SG | 52.74.74.86:14759 | 0.tcp.ap.ngrok.io | tcp |
| SG | 52.74.74.86:14759 | 0.tcp.ap.ngrok.io | tcp |
Files
memory/1868-0-0x000000007467E000-0x000000007467F000-memory.dmp
memory/1868-1-0x0000000000BA0000-0x0000000000C88000-memory.dmp
memory/1868-2-0x0000000000450000-0x000000000045E000-memory.dmp
memory/1868-3-0x0000000074670000-0x0000000074D5E000-memory.dmp
memory/1868-4-0x0000000000A80000-0x0000000000ADC000-memory.dmp
memory/1868-5-0x00000000007C0000-0x00000000007D2000-memory.dmp
memory/1868-6-0x0000000000980000-0x0000000000998000-memory.dmp
memory/1868-7-0x0000000000A10000-0x0000000000A20000-memory.dmp
memory/1868-8-0x000000007467E000-0x000000007467F000-memory.dmp
memory/1868-9-0x0000000074670000-0x0000000074D5E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-17 01:24
Reported
2024-10-17 01:26
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
152s
Command Line
Signatures
Orcus
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | 0.tcp.ap.ngrok.io | N/A | N/A |
| N/A | 0.tcp.ap.ngrok.io | N/A | N/A |
| N/A | 0.tcp.ap.ngrok.io | 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\fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905.exe
"C:\Users\Admin\AppData\Local\Temp\fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.tcp.ap.ngrok.io | udp |
| SG | 3.1.16.19:14759 | 0.tcp.ap.ngrok.io | tcp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.32.126.40.in-addr.arpa | udp |
| SG | 3.1.16.19:14759 | 0.tcp.ap.ngrok.io | tcp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| SG | 3.1.16.19:14759 | 0.tcp.ap.ngrok.io | tcp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| SG | 3.1.16.19:14759 | 0.tcp.ap.ngrok.io | tcp |
| SG | 3.1.16.19:14759 | 0.tcp.ap.ngrok.io | tcp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.tcp.ap.ngrok.io | udp |
| SG | 18.141.106.224:14759 | 0.tcp.ap.ngrok.io | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| SG | 18.141.106.224:14759 | 0.tcp.ap.ngrok.io | tcp |
| SG | 18.141.106.224:14759 | 0.tcp.ap.ngrok.io | tcp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| SG | 18.141.106.224:14759 | 0.tcp.ap.ngrok.io | tcp |
| SG | 18.141.106.224:14759 | 0.tcp.ap.ngrok.io | tcp |
| US | 8.8.8.8:53 | 0.tcp.ap.ngrok.io | udp |
| SG | 3.1.16.19:14759 | 0.tcp.ap.ngrok.io | tcp |
| SG | 3.1.16.19:14759 | 0.tcp.ap.ngrok.io | tcp |
Files
memory/2124-0-0x0000000074D6E000-0x0000000074D6F000-memory.dmp
memory/2124-1-0x00000000008A0000-0x0000000000988000-memory.dmp
memory/2124-2-0x00000000051A0000-0x00000000051AE000-memory.dmp
memory/2124-3-0x00000000051B0000-0x000000000520C000-memory.dmp
memory/2124-4-0x0000000074D60000-0x0000000075510000-memory.dmp
memory/2124-5-0x00000000059E0000-0x0000000005F84000-memory.dmp
memory/2124-6-0x0000000005350000-0x00000000053E2000-memory.dmp
memory/2124-7-0x0000000005330000-0x0000000005342000-memory.dmp
memory/2124-8-0x00000000058B0000-0x00000000058C8000-memory.dmp
memory/2124-9-0x00000000053F0000-0x0000000005400000-memory.dmp
memory/2124-10-0x0000000006430000-0x000000000643A000-memory.dmp
memory/2124-11-0x0000000074D6E000-0x0000000074D6F000-memory.dmp
memory/2124-12-0x0000000074D60000-0x0000000075510000-memory.dmp