Analysis Overview
SHA256
2080697d18cbc0b5d7adf7f5838baafff4cee64eff389da4a6aff43750e9d447
Threat Level: Known bad
The file 2080697d18cbc0b5d7adf7f5838baafff4cee64eff389da4a6aff43750e9d447 was found to be: Known bad.
Malicious Activity Summary
Orcus family
Orcus main payload
Unsigned PE
Checks processor information in registry
Enumerates system info in registry
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-08 01:59
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 01:59
Reported
2024-02-08 02:01
Platform
win7-20231215-en
Max time kernel
117s
Max time network
117s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2520 wrote to memory of 2996 | N/A | C:\Users\Admin\AppData\Local\Temp\2080697d18cbc0b5d7adf7f5838baafff4cee64eff389da4a6aff43750e9d447.exe | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe |
| PID 2520 wrote to memory of 2996 | N/A | C:\Users\Admin\AppData\Local\Temp\2080697d18cbc0b5d7adf7f5838baafff4cee64eff389da4a6aff43750e9d447.exe | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe |
| PID 2520 wrote to memory of 2996 | N/A | C:\Users\Admin\AppData\Local\Temp\2080697d18cbc0b5d7adf7f5838baafff4cee64eff389da4a6aff43750e9d447.exe | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2080697d18cbc0b5d7adf7f5838baafff4cee64eff389da4a6aff43750e9d447.exe
"C:\Users\Admin\AppData\Local\Temp\2080697d18cbc0b5d7adf7f5838baafff4cee64eff389da4a6aff43750e9d447.exe"
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
dw20.exe -x -s 376
Network
Files
memory/2520-1-0x0000000000BC0000-0x0000000000C40000-memory.dmp
memory/2996-2-0x0000000000280000-0x0000000000281000-memory.dmp
memory/2520-0-0x000007FEF5340000-0x000007FEF5CDD000-memory.dmp
memory/2520-3-0x000007FEF5340000-0x000007FEF5CDD000-memory.dmp
memory/2520-4-0x0000000000BC0000-0x0000000000C40000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-08 01:59
Reported
2024-02-08 02:02
Platform
win10v2004-20231215-en
Max time kernel
139s
Max time network
145s
Command Line
Signatures
Checks processor information in registry
| Description | Indicator | Process | Target |
| 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 |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | 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 496 wrote to memory of 1300 | N/A | C:\Users\Admin\AppData\Local\Temp\2080697d18cbc0b5d7adf7f5838baafff4cee64eff389da4a6aff43750e9d447.exe | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe |
| PID 496 wrote to memory of 1300 | N/A | C:\Users\Admin\AppData\Local\Temp\2080697d18cbc0b5d7adf7f5838baafff4cee64eff389da4a6aff43750e9d447.exe | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2080697d18cbc0b5d7adf7f5838baafff4cee64eff389da4a6aff43750e9d447.exe
"C:\Users\Admin\AppData\Local\Temp\2080697d18cbc0b5d7adf7f5838baafff4cee64eff389da4a6aff43750e9d447.exe"
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
dw20.exe -x -s 732
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.173.189.20.in-addr.arpa | udp |
Files
memory/496-0-0x00007FFEBD8E0000-0x00007FFEBE281000-memory.dmp
memory/496-1-0x00007FFEBD8E0000-0x00007FFEBE281000-memory.dmp
memory/496-2-0x0000000000F60000-0x0000000000F70000-memory.dmp
memory/496-9-0x00007FFEBD8E0000-0x00007FFEBE281000-memory.dmp