Analysis Overview
SHA256
960c31ec0fad0f80d726d3a91d9bbbc68c34c09a60f9381a87a589eee8814133
Threat Level: Known bad
The file Nexus.exe was found to be: Known bad.
Malicious Activity Summary
Detect Xworm Payload
Xworm family
Xworm
Drops startup file
Looks up external IP address via web service
Unsigned PE
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-31 07:26
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Xworm family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-31 07:26
Reported
2024-05-31 07:26
Platform
win11-20240426-en
Max time kernel
9s
Max time network
13s
Command Line
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Xworm
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\csrss.lnk | C:\Users\Admin\AppData\Local\Temp\Nexus.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\csrss.lnk | C:\Users\Admin\AppData\Local\Temp\Nexus.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Nexus.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Nexus.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Nexus.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Nexus.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Nexus.exe
"C:\Users\Admin\AppData\Local\Temp\Nexus.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| TH | 85.203.4.69:1999 | tcp |
Files
memory/5000-0-0x00007FFBD6B93000-0x00007FFBD6B95000-memory.dmp
memory/5000-1-0x0000000000110000-0x0000000000120000-memory.dmp
memory/5000-2-0x00007FFBD6B90000-0x00007FFBD7652000-memory.dmp