Analysis Overview
SHA256
d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c
Threat Level: Likely malicious
The file d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c was found to be: Likely malicious.
Malicious Activity Summary
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Checks BIOS information in registry
Themida packer
Checks whether UAC is enabled
Suspicious use of NtSetInformationThreadHideFromDebugger
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-12 12:07
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
2024-06-12 12:07
Reported
2024-06-12 12:09
Platform
win7-20240221-en
Max time kernel
141s
Max time network
118s
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\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.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\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.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 |
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\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2172 wrote to memory of 2508 | N/A | C:\Users\Admin\AppData\Local\Temp\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.exe | C:\Windows\system32\WerFault.exe |
| PID 2172 wrote to memory of 2508 | N/A | C:\Users\Admin\AppData\Local\Temp\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.exe | C:\Windows\system32\WerFault.exe |
| PID 2172 wrote to memory of 2508 | N/A | C:\Users\Admin\AppData\Local\Temp\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.exe
"C:\Users\Admin\AppData\Local\Temp\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2172 -s 564
Network
Files
memory/2172-0-0x000000013FA80000-0x000000014060E000-memory.dmp
memory/2172-1-0x000007FEFD393000-0x000007FEFD394000-memory.dmp
memory/2172-2-0x000007FEFD380000-0x000007FEFD3EC000-memory.dmp
memory/2172-3-0x000007FEFD380000-0x000007FEFD3EC000-memory.dmp
memory/2172-4-0x000007FEFD380000-0x000007FEFD3EC000-memory.dmp
memory/2172-5-0x000007FEFD380000-0x000007FEFD3EC000-memory.dmp
memory/2172-8-0x000007FEFD380000-0x000007FEFD3EC000-memory.dmp
memory/2172-9-0x000000013FA80000-0x000000014060E000-memory.dmp
memory/2172-10-0x000000013FA80000-0x000000014060E000-memory.dmp
memory/2172-12-0x000007FEFD393000-0x000007FEFD394000-memory.dmp
memory/2172-13-0x000007FEFD380000-0x000007FEFD3EC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-12 12:07
Reported
2024-06-12 12:09
Platform
win10v2004-20240611-en
Max time kernel
149s
Max time network
149s
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\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.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 |
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\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.exe
"C:\Users\Admin\AppData\Local\Temp\d273a5e469eda40b4b5525c8cdcc467793beb2f895ea7e9ac24a72281c913d8c.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| NL | 23.62.61.113:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.19.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 113.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/2152-0-0x00007FF760430000-0x00007FF760FBE000-memory.dmp
memory/2152-1-0x00007FFD07184000-0x00007FFD07185000-memory.dmp
memory/2152-3-0x00007FFD07120000-0x00007FFD073E9000-memory.dmp
memory/2152-2-0x00007FFD07120000-0x00007FFD073E9000-memory.dmp
memory/2152-4-0x00007FFD07120000-0x00007FFD073E9000-memory.dmp
memory/2152-7-0x00007FFD07120000-0x00007FFD073E9000-memory.dmp
memory/2152-8-0x00007FFD07120000-0x00007FFD073E9000-memory.dmp
memory/2152-9-0x00007FF760430000-0x00007FF760FBE000-memory.dmp
memory/2152-10-0x00007FF760430000-0x00007FF760FBE000-memory.dmp
memory/2152-12-0x00007FF760430000-0x00007FF760FBE000-memory.dmp
memory/2152-13-0x00007FFD07120000-0x00007FFD073E9000-memory.dmp