Analysis Overview
SHA256
fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905
Threat Level: Known bad
The file fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905 was found to be: Known bad.
Malicious Activity Summary
Orcurs Rat Executable
Orcus family
Orcus main payload
Orcus
Orcurs Rat Executable
Legitimate hosting services abused for malware hosting/C2
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of SendNotifyMessage
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-17 01:19
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 01:19
Reported
2024-10-17 01:21
Platform
win7-20241010-en
Max time kernel
143s
Max time network
146s
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 | 18.141.106.224:14759 | 0.tcp.ap.ngrok.io | tcp |
| SG | 18.141.106.224:14759 | 0.tcp.ap.ngrok.io | tcp |
| SG | 18.141.106.224:14759 | 0.tcp.ap.ngrok.io | tcp |
| SG | 18.141.106.224:14759 | 0.tcp.ap.ngrok.io | tcp |
| 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 | 18.141.106.224:14759 | 0.tcp.ap.ngrok.io | tcp |
| SG | 18.141.106.224:14759 | 0.tcp.ap.ngrok.io | tcp |
Files
memory/1748-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp
memory/1748-1-0x0000000000060000-0x0000000000148000-memory.dmp
memory/1748-2-0x0000000000730000-0x000000000073E000-memory.dmp
memory/1748-3-0x0000000074C40000-0x000000007532E000-memory.dmp
memory/1748-4-0x0000000004610000-0x000000000466C000-memory.dmp
memory/1748-5-0x0000000001E50000-0x0000000001E62000-memory.dmp
memory/1748-6-0x0000000001F10000-0x0000000001F28000-memory.dmp
memory/1748-7-0x00000000045A0000-0x00000000045B0000-memory.dmp
memory/1748-8-0x0000000074C40000-0x000000007532E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-17 01:19
Reported
2024-10-17 01:21
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
150s
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 |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| SG | 3.1.16.19:14759 | 0.tcp.ap.ngrok.io | tcp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| SG | 3.1.16.19:14759 | 0.tcp.ap.ngrok.io | tcp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 102.209.201.84.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 |
| 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 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.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 | 52.74.74.86:14759 | 0.tcp.ap.ngrok.io | tcp |
| SG | 52.74.74.86:14759 | 0.tcp.ap.ngrok.io | tcp |
| US | 8.8.8.8:53 | udp |
Files
memory/4372-0-0x0000000074DEE000-0x0000000074DEF000-memory.dmp
memory/4372-1-0x0000000000B20000-0x0000000000C08000-memory.dmp
memory/4372-2-0x0000000003110000-0x000000000311E000-memory.dmp
memory/4372-3-0x0000000074DE0000-0x0000000075590000-memory.dmp
memory/4372-4-0x0000000005590000-0x00000000055EC000-memory.dmp
memory/4372-5-0x0000000005D40000-0x00000000062E4000-memory.dmp
memory/4372-6-0x0000000005790000-0x0000000005822000-memory.dmp
memory/4372-7-0x0000000005770000-0x0000000005782000-memory.dmp
memory/4372-8-0x0000000005C30000-0x0000000005C48000-memory.dmp
memory/4372-9-0x0000000005CD0000-0x0000000005CE0000-memory.dmp
memory/4372-10-0x00000000067F0000-0x00000000067FA000-memory.dmp
memory/4372-11-0x0000000074DEE000-0x0000000074DEF000-memory.dmp
memory/4372-12-0x0000000074DE0000-0x0000000075590000-memory.dmp