Analysis Overview
SHA256
2659a5c2ff8e9358203fd04f53a5447b35f3c1e3419a347b5bf4c9fa775b45e8
Threat Level: Known bad
The file 2659a5c2ff8e9358203fd04f53a5447b35f3c1e3419a347b5bf4c9fa775b45e8 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 01:59
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
121s
Max time network
122s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2468 wrote to memory of 2100 | N/A | C:\Users\Admin\AppData\Local\Temp\2659a5c2ff8e9358203fd04f53a5447b35f3c1e3419a347b5bf4c9fa775b45e8.exe | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe |
| PID 2468 wrote to memory of 2100 | N/A | C:\Users\Admin\AppData\Local\Temp\2659a5c2ff8e9358203fd04f53a5447b35f3c1e3419a347b5bf4c9fa775b45e8.exe | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe |
| PID 2468 wrote to memory of 2100 | N/A | C:\Users\Admin\AppData\Local\Temp\2659a5c2ff8e9358203fd04f53a5447b35f3c1e3419a347b5bf4c9fa775b45e8.exe | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2659a5c2ff8e9358203fd04f53a5447b35f3c1e3419a347b5bf4c9fa775b45e8.exe
"C:\Users\Admin\AppData\Local\Temp\2659a5c2ff8e9358203fd04f53a5447b35f3c1e3419a347b5bf4c9fa775b45e8.exe"
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
dw20.exe -x -s 376
Network
Files
memory/2468-0-0x000007FEF60C0000-0x000007FEF6A5D000-memory.dmp
memory/2468-1-0x0000000000B90000-0x0000000000C10000-memory.dmp
memory/2100-2-0x0000000000270000-0x0000000000271000-memory.dmp
memory/2468-3-0x000007FEF60C0000-0x000007FEF6A5D000-memory.dmp
memory/2468-4-0x0000000000B90000-0x0000000000C10000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-08 01:59
Reported
2024-02-08 02:01
Platform
win10v2004-20231215-en
Max time kernel
144s
Max time network
149s
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 1292 wrote to memory of 3332 | N/A | C:\Users\Admin\AppData\Local\Temp\2659a5c2ff8e9358203fd04f53a5447b35f3c1e3419a347b5bf4c9fa775b45e8.exe | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe |
| PID 1292 wrote to memory of 3332 | N/A | C:\Users\Admin\AppData\Local\Temp\2659a5c2ff8e9358203fd04f53a5447b35f3c1e3419a347b5bf4c9fa775b45e8.exe | C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\2659a5c2ff8e9358203fd04f53a5447b35f3c1e3419a347b5bf4c9fa775b45e8.exe
"C:\Users\Admin\AppData\Local\Temp\2659a5c2ff8e9358203fd04f53a5447b35f3c1e3419a347b5bf4c9fa775b45e8.exe"
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
dw20.exe -x -s 744
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 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.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 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.71.105.51.in-addr.arpa | udp |
Files
memory/1292-0-0x00007FFF1BA40000-0x00007FFF1C3E1000-memory.dmp
memory/1292-1-0x0000000000E00000-0x0000000000E10000-memory.dmp
memory/1292-6-0x00007FFF1BA40000-0x00007FFF1C3E1000-memory.dmp
memory/1292-9-0x00007FFF1BA40000-0x00007FFF1C3E1000-memory.dmp