Analysis Overview
SHA256
1a5ef68208365f3575fb08d6fba84b3a8a6564cec61db97279a8574522defe7c
Threat Level: Likely malicious
The file svchostexe.exe was found to be: Likely malicious.
Malicious Activity Summary
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Obfuscated with Agile.Net obfuscator
Checks BIOS information in registry
Loads dropped DLL
Themida packer
Checks whether UAC is enabled
Suspicious use of NtSetInformationThreadHideFromDebugger
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-07-04 15:54
Signatures
Obfuscated with Agile.Net obfuscator
| 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
2023-07-04 15:54
Reported
2023-07-04 15:57
Platform
win7-20230703-en
Max time kernel
146s
Max time network
113s
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\svchostexe.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\svchostexe.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\svchostexe.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchostexe.exe | N/A |
Obfuscated with Agile.Net obfuscator
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | 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\svchostexe.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchostexe.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\svchostexe.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2304 wrote to memory of 1596 | N/A | C:\Users\Admin\AppData\Local\Temp\svchostexe.exe | C:\Windows\system32\WerFault.exe |
| PID 2304 wrote to memory of 1596 | N/A | C:\Users\Admin\AppData\Local\Temp\svchostexe.exe | C:\Windows\system32\WerFault.exe |
| PID 2304 wrote to memory of 1596 | N/A | C:\Users\Admin\AppData\Local\Temp\svchostexe.exe | C:\Windows\system32\WerFault.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\svchostexe.exe
"C:\Users\Admin\AppData\Local\Temp\svchostexe.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2304 -s 1096
Network
Files
memory/2304-54-0x00000000000E0000-0x00000000007FE000-memory.dmp
\Users\Admin\AppData\Local\Temp\99096b4b-3055-4c6a-a348-9f002740163e\AgileDotNetRT64.dll
| MD5 | 05b012457488a95a05d0541e0470d392 |
| SHA1 | 74f541d6a8365508c794ef7b4ac7c297457f9ce3 |
| SHA256 | 1f77a0749ac730500f203b8c4d072587923ac679e184a3859aeb855c2a2e7d8d |
| SHA512 | 6d6e7b838d4425d49ac8d3738135374ef5357f0677b07cecb7afbf5feddc1997bf6dce68d48787eff8a74c4728def8880c8f01842eda35b5815fb561fa401ae6 |
C:\Users\Admin\AppData\Local\Temp\99096b4b-3055-4c6a-a348-9f002740163e\AgileDotNetRT64.dll
| MD5 | 05b012457488a95a05d0541e0470d392 |
| SHA1 | 74f541d6a8365508c794ef7b4ac7c297457f9ce3 |
| SHA256 | 1f77a0749ac730500f203b8c4d072587923ac679e184a3859aeb855c2a2e7d8d |
| SHA512 | 6d6e7b838d4425d49ac8d3738135374ef5357f0677b07cecb7afbf5feddc1997bf6dce68d48787eff8a74c4728def8880c8f01842eda35b5815fb561fa401ae6 |
memory/2304-61-0x000000001B550000-0x000000001B5D0000-memory.dmp
memory/2304-62-0x000007FEF2EE0000-0x000007FEF3A64000-memory.dmp
memory/2304-64-0x000007FEF2EE0000-0x000007FEF3A64000-memory.dmp
memory/2304-72-0x000007FEF6A30000-0x000007FEF6B5C000-memory.dmp
memory/2304-73-0x0000000000BC0000-0x0000000000BCA000-memory.dmp
memory/2304-74-0x000007FEF2EE0000-0x000007FEF3A64000-memory.dmp
memory/2304-75-0x000000001B550000-0x000000001B5D0000-memory.dmp
memory/2304-83-0x000007FEF2EE0000-0x000007FEF3A64000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-07-04 15:54
Reported
2023-07-04 15:57
Platform
win10v2004-20230703-en
Max time kernel
64s
Max time network
131s
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\svchostexe.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\svchostexe.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\svchostexe.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchostexe.exe | N/A |
Obfuscated with Agile.Net obfuscator
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | 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 |
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\svchostexe.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchostexe.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\svchostexe.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\svchostexe.exe
"C:\Users\Admin\AppData\Local\Temp\svchostexe.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 408 -p 3876 -ip 3876
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 3876 -s 1520
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
Files
memory/3876-133-0x0000000000F10000-0x000000000162E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\99096b4b-3055-4c6a-a348-9f002740163e\AgileDotNetRT64.dll
| MD5 | 05b012457488a95a05d0541e0470d392 |
| SHA1 | 74f541d6a8365508c794ef7b4ac7c297457f9ce3 |
| SHA256 | 1f77a0749ac730500f203b8c4d072587923ac679e184a3859aeb855c2a2e7d8d |
| SHA512 | 6d6e7b838d4425d49ac8d3738135374ef5357f0677b07cecb7afbf5feddc1997bf6dce68d48787eff8a74c4728def8880c8f01842eda35b5815fb561fa401ae6 |
C:\Users\Admin\AppData\Local\Temp\99096b4b-3055-4c6a-a348-9f002740163e\AgileDotNetRT64.dll
| MD5 | 05b012457488a95a05d0541e0470d392 |
| SHA1 | 74f541d6a8365508c794ef7b4ac7c297457f9ce3 |
| SHA256 | 1f77a0749ac730500f203b8c4d072587923ac679e184a3859aeb855c2a2e7d8d |
| SHA512 | 6d6e7b838d4425d49ac8d3738135374ef5357f0677b07cecb7afbf5feddc1997bf6dce68d48787eff8a74c4728def8880c8f01842eda35b5815fb561fa401ae6 |
memory/3876-140-0x000000001C2D0000-0x000000001C2E0000-memory.dmp
memory/3876-141-0x00007FFA2DF70000-0x00007FFA2EAF4000-memory.dmp
memory/3876-143-0x00007FFA2DF70000-0x00007FFA2EAF4000-memory.dmp
memory/3876-146-0x00007FFA40430000-0x00007FFA4057E000-memory.dmp
memory/3876-147-0x00007FFA2DF70000-0x00007FFA2EAF4000-memory.dmp