e431ecc0f1264b31c733e90b32df00d585caa4b9e5f278ab93d35a9ba10fe891

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	e431ecc0f1264b31c733e90b32df00d585caa4b9e5f278ab93d35a9ba10fe891.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	e431ecc0f1264b31c733e90b32df00d585caa4b9e5f278ab93d35a9ba10fe891.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e431ecc0f1264b31c733e90b32df00d585caa4b9e5f278ab93d35a9ba10fe891.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Wine	e431ecc0f1264b31c733e90b32df00d585caa4b9e5f278ab93d35a9ba10fe891.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	e431ecc0f1264b31c733e90b32df00d585caa4b9e5f278ab93d35a9ba10fe891.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	e431ecc0f1264b31c733e90b32df00d585caa4b9e5f278ab93d35a9ba10fe891.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1508	e431ecc0f1264b31c733e90b32df00d585caa4b9e5f278ab93d35a9ba10fe891.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	e431ecc0f1264b31c733e90b32df00d585caa4b9e5f278ab93d35a9ba10fe891.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1508	e431ecc0f1264b31c733e90b32df00d585caa4b9e5f278ab93d35a9ba10fe891.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1508	e431ecc0f1264b31c733e90b32df00d585caa4b9e5f278ab93d35a9ba10fe891.exe

C:\Users\Admin\AppData\Local\Temp\e431ecc0f1264b31c733e90b32df00d585caa4b9e5f278ab93d35a9ba10fe891.exe
"C:\Users\Admin\AppData\Local\Temp\e431ecc0f1264b31c733e90b32df00d585caa4b9e5f278ab93d35a9ba10fe891.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:1508

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