Analysis Overview
SHA256
19bddef132af20da74c89fb263b1ae89f9762eba06382e69cccdfc9048e45917
Threat Level: Likely malicious
The file nyxia.exe was found to be: Likely malicious.
Malicious Activity Summary
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Themida packer
Checks BIOS information in registry
Checks whether UAC is enabled
Suspicious use of NtSetInformationThreadHideFromDebugger
Unsigned PE
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-14 16:05
Signatures
Themida packer
| 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
2024-06-14 16:05
Reported
2024-06-14 16:08
Platform
win10-20240404-en
Max time kernel
16s
Max time network
17s
Command Line
Signatures
Identifies VirtualBox via ACPI registry values (likely anti-VM)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\nyxia.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\nyxia.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\nyxia.exe | N/A |
Themida packer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\nyxia.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\nyxia.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\nyxia.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\nyxia.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\nyxia.exe
"C:\Users\Admin\AppData\Local\Temp\nyxia.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 71.121.18.2.in-addr.arpa | udp |
Files
memory/380-0-0x00007FF635010000-0x00007FF635911000-memory.dmp
memory/380-1-0x00007FFDB62E8000-0x00007FFDB62EA000-memory.dmp
memory/380-2-0x00007FF635010000-0x00007FF635911000-memory.dmp
memory/380-3-0x00007FF635010000-0x00007FF635911000-memory.dmp
memory/380-4-0x00007FF635010000-0x00007FF635911000-memory.dmp
memory/380-5-0x00007FF635010000-0x00007FF635911000-memory.dmp
memory/380-6-0x00007FF635010000-0x00007FF635911000-memory.dmp