Analysis Overview
SHA256
19bddef132af20da74c89fb263b1ae89f9762eba06382e69cccdfc9048e45917
Threat Level: Likely malicious
The file nyxia external.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
2024-06-10 14:00
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
2024-06-10 14:00
Reported
2024-06-10 14:00
Platform
win10v2004-20240508-en
Max time kernel
6s
Max time network
9s
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 external.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 external.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\nyxia external.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 external.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\nyxia external.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\nyxia external.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\nyxia external.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\nyxia external.exe
"C:\Users\Admin\AppData\Local\Temp\nyxia external.exe"
Network
Files
memory/1360-0-0x00007FF745430000-0x00007FF745D31000-memory.dmp
memory/1360-1-0x00007FFDED910000-0x00007FFDED912000-memory.dmp
memory/1360-2-0x00007FF745430000-0x00007FF745D31000-memory.dmp
memory/1360-3-0x00007FF745430000-0x00007FF745D31000-memory.dmp
memory/1360-4-0x00007FF745430000-0x00007FF745D31000-memory.dmp
memory/1360-5-0x00007FF745430000-0x00007FF745D31000-memory.dmp
memory/1360-6-0x00007FF745430000-0x00007FF745D31000-memory.dmp