Analysis Overview
SHA256
1b57734ff8cb74b218aa7c0920933e21142006a868f16e1ff51fab4f1d93d965
Threat Level: Likely malicious
The file utility-1.0.6.3.exe was found to be: Likely malicious.
Malicious Activity Summary
Detected Nirsoft tools
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Checks BIOS information in registry
Executes dropped EXE
Loads dropped DLL
Themida packer
Checks whether UAC is enabled
Suspicious use of NtSetInformationThreadHideFromDebugger
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-27 20:51
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-01-27 20:50
Reported
2025-01-27 20:53
Platform
win11-20241023-en
Max time kernel
87s
Max time network
91s
Command Line
Signatures
Detected Nirsoft tools
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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\RarSFX0\utility.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\RarSFX0\utility.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\RarSFX0\utility.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RarSFX0\utility.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RarSFX0\utility.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 |
| 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\RarSFX0\utility.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RarSFX0\utility.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\RarSFX0\utility.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1832 wrote to memory of 4860 | N/A | C:\Users\Admin\AppData\Local\Temp\utility-1.0.6.3.exe | C:\Users\Admin\AppData\Local\Temp\RarSFX0\utility.exe |
| PID 1832 wrote to memory of 4860 | N/A | C:\Users\Admin\AppData\Local\Temp\utility-1.0.6.3.exe | C:\Users\Admin\AppData\Local\Temp\RarSFX0\utility.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\utility-1.0.6.3.exe
"C:\Users\Admin\AppData\Local\Temp\utility-1.0.6.3.exe"
C:\Users\Admin\AppData\Local\Temp\RarSFX0\utility.exe
"C:\Users\Admin\AppData\Local\Temp\RarSFX0\utility.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | keyauth.win | udp |
| US | 104.26.1.5:443 | keyauth.win | tcp |
| US | 8.8.8.8:53 | 5.1.26.104.in-addr.arpa | udp |
Files
memory/4860-16-0x00007FFA0CAD3000-0x00007FFA0CAD5000-memory.dmp
memory/4860-17-0x0000019C10C10000-0x0000019C1512C000-memory.dmp
memory/4860-18-0x0000019C2F550000-0x0000019C2F628000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\RarSFX0\Runtime64.dll
| MD5 | 1536bbb84ce32cfcaf72dbcfd5949401 |
| SHA1 | 1c6742ed78c708672e06f2c8a4c989bc5e5a838d |
| SHA256 | e3bcb8faecc22a443d41312b80e798a6358749d8b266a1bfc66ede45009e7b92 |
| SHA512 | 387dda2304d0da1ed732c3d4a8f49987e5998251634cd8b449dd4821a0f7834830d7caaea5a0616ed5810ac4595d8355645266856cc8ba1e4bfed50c874c755e |
memory/4860-21-0x00007FFA0CAD0000-0x00007FFA0D592000-memory.dmp
memory/4860-22-0x0000000180000000-0x0000000181261000-memory.dmp
memory/4860-23-0x00007FF47A870000-0x00007FF47AA78000-memory.dmp
memory/4860-24-0x00007FFA0CAD0000-0x00007FFA0D592000-memory.dmp
memory/4860-27-0x0000000180000000-0x0000000181261000-memory.dmp
memory/4860-26-0x0000000180000000-0x0000000181261000-memory.dmp
memory/4860-25-0x0000000180000000-0x0000000181261000-memory.dmp
memory/4860-29-0x00007FFA0B380000-0x00007FFA0B4CF000-memory.dmp
memory/4860-28-0x0000000180000000-0x0000000181261000-memory.dmp
memory/4860-30-0x0000019C2F550000-0x0000019C2F622000-memory.dmp
memory/4860-33-0x0000019C2F550000-0x0000019C2F622000-memory.dmp
memory/4860-31-0x0000019C2F550000-0x0000019C2F622000-memory.dmp
memory/4860-34-0x0000019C307A0000-0x0000019C30B76000-memory.dmp
memory/4860-35-0x0000019C30B80000-0x0000019C30C18000-memory.dmp
memory/4860-36-0x0000019C30C10000-0x0000019C30DFA000-memory.dmp
memory/4860-37-0x0000019C30E00000-0x0000019C30E96000-memory.dmp
memory/4860-38-0x0000019C30EA0000-0x0000019C30F34000-memory.dmp
memory/4860-39-0x00007FFA0CAD3000-0x00007FFA0CAD5000-memory.dmp
memory/4860-40-0x0000000180000000-0x0000000181261000-memory.dmp
memory/4860-41-0x00007FFA0CAD0000-0x00007FFA0D592000-memory.dmp
memory/4860-42-0x0000000180000000-0x0000000181261000-memory.dmp
memory/4860-43-0x00007FFA0CAD0000-0x00007FFA0D592000-memory.dmp
memory/4860-44-0x0000019C39630000-0x0000019C3D54C000-memory.dmp
memory/4860-45-0x00007FFA0CAD0000-0x00007FFA0D592000-memory.dmp
memory/4860-46-0x00007FFA0CAD0000-0x00007FFA0D592000-memory.dmp
memory/4860-47-0x0000019C2F1B0000-0x0000019C2F1B1000-memory.dmp
memory/4860-48-0x0000019C2F680000-0x0000019C2F692000-memory.dmp
memory/4860-49-0x0000019C2F9E0000-0x0000019C2FA1C000-memory.dmp
memory/4860-50-0x0000000180000000-0x0000000181261000-memory.dmp
memory/4860-51-0x00007FFA0CAD0000-0x00007FFA0D592000-memory.dmp
memory/4860-53-0x00007FFA0CAD0000-0x00007FFA0D592000-memory.dmp