Analysis Overview
SHA256
bcd658522045492bd070705cfc6cd0cc089cf420956fa8cdd3a196be29e25574
Threat Level: Likely malicious
The file UA.exe was found to be: Likely malicious.
Malicious Activity Summary
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Checks BIOS information in registry
Checks whether UAC is enabled
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in Windows directory
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-17 14:38
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-17 14:38
Reported
2024-11-17 14:40
Platform
win7-20241010-en
Max time kernel
74s
Max time network
20s
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\UA.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\UA.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\UA.exe | 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\UA.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\System32\config\RegBack\{69CD1F2D-DF68-4E23-9108-1B70783F2444} | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\schemas\Provisioning\{69CD1F2D-DF68-4E23-9108-UPDATE} | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\UA.exe
"C:\Users\Admin\AppData\Local\Temp\UA.exe"
Network
Files
memory/1740-1-0x0000000077C30000-0x0000000077C32000-memory.dmp
memory/1740-0-0x0000000140000000-0x0000000142962000-memory.dmp
memory/1740-3-0x0000000140000000-0x0000000142962000-memory.dmp
memory/1740-2-0x0000000140000000-0x0000000142962000-memory.dmp
memory/1740-4-0x0000000140000000-0x0000000142962000-memory.dmp
memory/1740-5-0x0000000140000000-0x0000000142962000-memory.dmp
memory/1740-6-0x0000000140000000-0x0000000142962000-memory.dmp
memory/1740-8-0x0000000140000000-0x0000000142962000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-17 14:38
Reported
2024-11-17 14:40
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
147s
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\UA.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\UA.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\UA.exe | 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\UA.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\System32\config\RegBack\{69CD1F2D-DF68-4E23-9108-1B70783F2444} | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
| File opened for modification | C:\Windows\System32\config\RegBack\{69CD1F2D-DF68-4E23-9108-1B70783F2879} | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
| File opened for modification | C:\Windows\System32\config\RegBack\{69CD1F2D-DF68-4E23-9108-1B70783F2859} | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
| File opened for modification | C:\Windows\System32\config\RegBack\{69CD1F2D-DF68-4E23-9108-1B70783F2869} | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
| File opened for modification | C:\Windows\System32\IME\IMETC\{69CD1F2D-DF68-4E23-9108-1B70783F2879} | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
| File opened for modification | C:\Windows\System32\config\RegBack\{69CD1F2D-DF68-4E23-9108-1B70783F2899} | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\schemas\Provisioning\{69CD1F2D-DF68-4E23-9108-1B70783F2893} | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
| File opened for modification | C:\Windows\schemas\Provisioning\{69CD1F2D-DF68-4E23-9108-1B70783F2892} | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
| File opened for modification | C:\Windows\schemas\Provisioning\{69CD1F2D-DF68-4E23-9108-1B70783F2859} | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
| File opened for modification | C:\Windows\schemas\Provisioning\{69CD1F2D-DF68-4E23-9108-UPDATE} | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\UA.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\UA.exe
"C:\Users\Admin\AppData\Local\Temp\UA.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.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 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
Files
memory/2836-0-0x0000000140000000-0x0000000142962000-memory.dmp
memory/2836-1-0x00007FFDBA810000-0x00007FFDBA812000-memory.dmp
memory/2836-2-0x0000000140000000-0x0000000142962000-memory.dmp
memory/2836-3-0x0000000140000000-0x0000000142962000-memory.dmp
memory/2836-4-0x0000000140000000-0x0000000142962000-memory.dmp
memory/2836-5-0x0000000140000000-0x0000000142962000-memory.dmp