Analysis Overview
SHA256
3800235b9c767007ae8bcea37cecc720d787a97b46d6adea7e73ac305c6cb192
Threat Level: Likely malicious
The file HV_x64_build.exe was found to be: Likely malicious.
Malicious Activity Summary
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Sets service image path in registry
Themida packer
Executes dropped EXE
Checks BIOS information in registry
Checks whether UAC is enabled
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in Windows directory
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: LoadsDriver
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-11 07:38
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
2024-06-11 07:38
Reported
2024-06-11 08:21
Platform
win11-20240419-en
Max time kernel
2091s
Max time network
1994s
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\HV_x64_build.exe | N/A |
Sets service image path in registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\nczCBjjdqtWnXeCidNiEBQabNL\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\nczCBjjdqtWnXeCidNiEBQabNL" | C:\Windows\SoftwareDistribution\Download\QA6Ol.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\HV_x64_build.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\HV_x64_build.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SoftwareDistribution\Download\QA6Ol.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 |
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| 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\HV_x64_build.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\HV_x64_build.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SoftwareDistribution\Download\QA6Ol.exe | C:\Users\Admin\AppData\Local\Temp\HV_x64_build.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: LoadsDriver
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SoftwareDistribution\Download\QA6Ol.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\SoftwareDistribution\Download\QA6Ol.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\HV_x64_build.exe
"C:\Users\Admin\AppData\Local\Temp\HV_x64_build.exe"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c cls
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c cd C:\ProgramData
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c start C:\ProgramData\WindowsHook.exe
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c start C:\ProgramData\updater.exe
C:\Windows\SoftwareDistribution\Download\QA6Ol.exe
"C:\Windows\SoftwareDistribution\Download\QA6Ol.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | havok.cc | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | havok.cc | udp |
Files
memory/3648-0-0x00007FF75BDD0000-0x00007FF75C6D1000-memory.dmp
memory/3648-1-0x00007FFEF6967000-0x00007FFEF6969000-memory.dmp
memory/3648-2-0x00007FF75BDD0000-0x00007FF75C6D1000-memory.dmp
memory/3648-4-0x00007FF75BDD0000-0x00007FF75C6D1000-memory.dmp
memory/3648-6-0x00007FF75BDD0000-0x00007FF75C6D1000-memory.dmp
memory/3648-5-0x00007FF75BDD0000-0x00007FF75C6D1000-memory.dmp
memory/3648-3-0x00007FF75BDD0000-0x00007FF75C6D1000-memory.dmp
memory/3648-7-0x00007FF75BDD0000-0x00007FF75C6D1000-memory.dmp
memory/3648-8-0x00007FF75BDD0000-0x00007FF75C6D1000-memory.dmp
memory/3648-12-0x00007FF75BDD0000-0x00007FF75C6D1000-memory.dmp
C:\Windows\SoftwareDistribution\Download\QA6Ol.exe
| MD5 | 3f9af39f8b7e0d314824cb101054d0dd |
| SHA1 | daf1a9f4dd262dc188d78c15d57a5baaf43569b1 |
| SHA256 | 939e6bcde687d6ed9242f4c223b2d7255c767c0bfdae3a3521718766103629bd |
| SHA512 | 5f4e8c0ee6566c89894c07e9ef4edfcfb5b0913829a8796152b505e4d2e34372572064abace31d6b330ad333b80977ee2a3fa189267b84d3adc24ed44ba6d6bd |
memory/3648-23-0x00007FF75BDD0000-0x00007FF75C6D1000-memory.dmp
memory/3648-28-0x00007FF75BDD0000-0x00007FF75C6D1000-memory.dmp
memory/3648-29-0x00007FF75BDD0000-0x00007FF75C6D1000-memory.dmp
memory/3648-53-0x00007FF75BDD0000-0x00007FF75C6D1000-memory.dmp