a36a924598b26b31b64fc3a90c78649931d8f39143442a8b9ce85ab330fe6079

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	a36a924598b26b31b64fc3a90c78649931d8f39143442a8b9ce85ab330fe6079.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	a36a924598b26b31b64fc3a90c78649931d8f39143442a8b9ce85ab330fe6079.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a36a924598b26b31b64fc3a90c78649931d8f39143442a8b9ce85ab330fe6079.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Wine	a36a924598b26b31b64fc3a90c78649931d8f39143442a8b9ce85ab330fe6079.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a36a924598b26b31b64fc3a90c78649931d8f39143442a8b9ce85ab330fe6079.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	a36a924598b26b31b64fc3a90c78649931d8f39143442a8b9ce85ab330fe6079.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
556	a36a924598b26b31b64fc3a90c78649931d8f39143442a8b9ce85ab330fe6079.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a36a924598b26b31b64fc3a90c78649931d8f39143442a8b9ce85ab330fe6079.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
556	a36a924598b26b31b64fc3a90c78649931d8f39143442a8b9ce85ab330fe6079.exe
556	a36a924598b26b31b64fc3a90c78649931d8f39143442a8b9ce85ab330fe6079.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
556	a36a924598b26b31b64fc3a90c78649931d8f39143442a8b9ce85ab330fe6079.exe

C:\Users\Admin\AppData\Local\Temp\a36a924598b26b31b64fc3a90c78649931d8f39143442a8b9ce85ab330fe6079.exe
"C:\Users\Admin\AppData\Local\Temp\a36a924598b26b31b64fc3a90c78649931d8f39143442a8b9ce85ab330fe6079.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Virtualization/Sandbox Evasion

2

Credential Access

Discovery

Query Registry

3

System Information Discovery

2

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

2