Analysis Overview
SHA256
1a5ef68208365f3575fb08d6fba84b3a8a6564cec61db97279a8574522defe7c
Threat Level: Likely malicious
The file svchost.exe was found to be: Likely malicious.
Malicious Activity Summary
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Obfuscated with Agile.Net obfuscator
Themida packer
Checks BIOS information in registry
Loads dropped DLL
Checks whether UAC is enabled
Suspicious use of NtSetInformationThreadHideFromDebugger
Unsigned PE
Program crash
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-07-04 05:36
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 05:36
Reported
2023-07-04 05:37
Platform
win10v2004-20230703-en
Max time kernel
7s
Max time network
11s
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\svchost.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\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.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\svchost.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\svchost.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\svchost.exe"
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 436 -p 4724 -ip 4724
C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 4724 -s 1484
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 164.113.223.173.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 54.120.234.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | assets.msn.com | udp |
| NL | 95.101.74.139:443 | assets.msn.com | tcp |
| US | 8.8.8.8:53 | 139.74.101.95.in-addr.arpa | udp |
Files
memory/4724-133-0x0000000000970000-0x000000000108E000-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/4724-140-0x00007FFC93260000-0x00007FFC93DE4000-memory.dmp
memory/4724-142-0x00007FFC93260000-0x00007FFC93DE4000-memory.dmp
memory/4724-143-0x00007FFCA5650000-0x00007FFCA579E000-memory.dmp
memory/4724-144-0x00007FFC93260000-0x00007FFC93DE4000-memory.dmp