Analysis Overview
SHA256
60c57f14c2e0e0df0bda16646b21dddceaee0159dafbbb8daba310d4e1b5be6c
Threat Level: Likely malicious
The file loader.exe 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 behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-16 03:29
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
2024-06-16 03:29
Reported
2024-06-16 03:32
Platform
win7-20240611-en
Max time kernel
150s
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\loader.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\loader.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\loader.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 |
| 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\loader.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\loader.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\loader.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\loader.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\loader.exe
"C:\Users\Admin\AppData\Local\Temp\loader.exe"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\loader.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
C:\Windows\system32\certutil.exe
certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\loader.exe" MD5
C:\Windows\system32\find.exe
find /i /v "md5"
C:\Windows\system32\find.exe
find /i /v "certutil"
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:49212 | tcp | |
| N/A | 127.0.0.1:49214 | tcp | |
| US | 8.8.8.8:53 | keyauth.win | udp |
| US | 172.67.72.57:443 | keyauth.win | tcp |
| US | 8.8.8.8:53 | apps.identrust.com | udp |
| BE | 2.17.107.226:80 | apps.identrust.com | tcp |
| US | 8.8.8.8:53 | x2.c.lencr.org | udp |
| BE | 23.55.97.11:80 | x2.c.lencr.org | tcp |
Files
memory/2372-0-0x000000013FCD0000-0x000000014076F000-memory.dmp
memory/2372-1-0x00000000774C0000-0x00000000774C2000-memory.dmp
memory/2372-2-0x000000013FCD0000-0x000000014076F000-memory.dmp
memory/2372-3-0x000000013FCD0000-0x000000014076F000-memory.dmp
memory/2372-4-0x000000013FCD0000-0x000000014076F000-memory.dmp
memory/2372-7-0x000000013FCD0000-0x000000014076F000-memory.dmp
memory/2372-8-0x000000013FCD0000-0x000000014076F000-memory.dmp
memory/2372-6-0x000000013FCD0000-0x000000014076F000-memory.dmp
memory/2372-5-0x000000013FCD0000-0x000000014076F000-memory.dmp
memory/2372-17-0x000000013FCD0000-0x000000014076F000-memory.dmp
memory/2372-19-0x000000013FCD0000-0x000000014076F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-16 03:29
Reported
2024-06-16 03:32
Platform
win10v2004-20240508-en
Max time kernel
147s
Max time network
151s
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\loader.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\loader.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\loader.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 |
| 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\loader.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\loader.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\loader.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\loader.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2560 wrote to memory of 1892 | N/A | C:\Users\Admin\AppData\Local\Temp\loader.exe | C:\Windows\system32\cmd.exe |
| PID 2560 wrote to memory of 1892 | N/A | C:\Users\Admin\AppData\Local\Temp\loader.exe | C:\Windows\system32\cmd.exe |
| PID 1892 wrote to memory of 3308 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\certutil.exe |
| PID 1892 wrote to memory of 3308 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\certutil.exe |
| PID 1892 wrote to memory of 376 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\find.exe |
| PID 1892 wrote to memory of 376 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\find.exe |
| PID 1892 wrote to memory of 2156 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\find.exe |
| PID 1892 wrote to memory of 2156 | N/A | C:\Windows\system32\cmd.exe | C:\Windows\system32\find.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\loader.exe
"C:\Users\Admin\AppData\Local\Temp\loader.exe"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\loader.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
C:\Windows\system32\certutil.exe
certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\loader.exe" MD5
C:\Windows\system32\find.exe
find /i /v "md5"
C:\Windows\system32\find.exe
find /i /v "certutil"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | keyauth.win | udp |
| N/A | 127.0.0.1:60521 | tcp | |
| N/A | 127.0.0.1:60523 | tcp |
Files
memory/2560-1-0x00007FFD182D0000-0x00007FFD182D2000-memory.dmp
memory/2560-0-0x00007FF79CC40000-0x00007FF79D6DF000-memory.dmp
memory/2560-3-0x00007FF79CC40000-0x00007FF79D6DF000-memory.dmp
memory/2560-4-0x00007FF79CC40000-0x00007FF79D6DF000-memory.dmp
memory/2560-2-0x00007FF79CC40000-0x00007FF79D6DF000-memory.dmp
memory/2560-7-0x00007FF79CC40000-0x00007FF79D6DF000-memory.dmp
memory/2560-6-0x00007FF79CC40000-0x00007FF79D6DF000-memory.dmp
memory/2560-5-0x00007FF79CC40000-0x00007FF79D6DF000-memory.dmp
memory/2560-8-0x00007FF79CC40000-0x00007FF79D6DF000-memory.dmp
memory/2560-9-0x00007FF79CC40000-0x00007FF79D6DF000-memory.dmp
memory/2560-11-0x00007FF79CC40000-0x00007FF79D6DF000-memory.dmp