Analysis Overview
SHA256
1cc6cf68882661395df57d43e89a3e76fd576d77057977a1f65e468bc3e9737c
Threat Level: Known bad
The file 1cc6cf68882661395df57d43e89a3e76fd576d77057977a1f65e468bc3e9737c was found to be: Known bad.
Malicious Activity Summary
Orcus family
Orcus main payload
Unsigned PE
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-08 01:55
Signatures
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
2024-02-08 01:55
Reported
2024-02-08 01:58
Platform
win7-20231215-en
Max time kernel
122s
Max time network
126s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2432 wrote to memory of 2064 | N/A | C:\Users\Admin\AppData\Local\Temp\1cc6cf68882661395df57d43e89a3e76fd576d77057977a1f65e468bc3e9737c.exe | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe |
| PID 2432 wrote to memory of 2064 | N/A | C:\Users\Admin\AppData\Local\Temp\1cc6cf68882661395df57d43e89a3e76fd576d77057977a1f65e468bc3e9737c.exe | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe |
| PID 2432 wrote to memory of 2064 | N/A | C:\Users\Admin\AppData\Local\Temp\1cc6cf68882661395df57d43e89a3e76fd576d77057977a1f65e468bc3e9737c.exe | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\1cc6cf68882661395df57d43e89a3e76fd576d77057977a1f65e468bc3e9737c.exe
"C:\Users\Admin\AppData\Local\Temp\1cc6cf68882661395df57d43e89a3e76fd576d77057977a1f65e468bc3e9737c.exe"
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
dw20.exe -x -s 384
Network
Files
memory/2432-0-0x000007FEF55E0000-0x000007FEF5F7D000-memory.dmp
memory/2432-1-0x00000000008A0000-0x0000000000920000-memory.dmp
memory/2064-2-0x0000000000360000-0x0000000000361000-memory.dmp
memory/2432-3-0x000007FEF55E0000-0x000007FEF5F7D000-memory.dmp
memory/2432-4-0x00000000008A0000-0x0000000000920000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-08 01:55
Reported
2024-02-08 01:58
Platform
win10v2004-20231215-en
Max time kernel
142s
Max time network
150s
Command Line
Signatures
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe | N/A |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeBackupPrivilege | N/A | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5108 wrote to memory of 3660 | N/A | C:\Users\Admin\AppData\Local\Temp\1cc6cf68882661395df57d43e89a3e76fd576d77057977a1f65e468bc3e9737c.exe | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe |
| PID 5108 wrote to memory of 3660 | N/A | C:\Users\Admin\AppData\Local\Temp\1cc6cf68882661395df57d43e89a3e76fd576d77057977a1f65e468bc3e9737c.exe | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\1cc6cf68882661395df57d43e89a3e76fd576d77057977a1f65e468bc3e9737c.exe
"C:\Users\Admin\AppData\Local\Temp\1cc6cf68882661395df57d43e89a3e76fd576d77057977a1f65e468bc3e9737c.exe"
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
dw20.exe -x -s 728
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.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 |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.192.11.51.in-addr.arpa | udp |
Files
memory/5108-0-0x00007FF82A1E0000-0x00007FF82AB81000-memory.dmp
memory/5108-1-0x0000000001610000-0x0000000001620000-memory.dmp
memory/5108-8-0x00007FF82A1E0000-0x00007FF82AB81000-memory.dmp