d33a4094b5c98b7ad929b9f5ca969fddbc38b6d2d6149c201c740e3f74a62cf0

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	d33a4094b5c98b7ad929b9f5ca969fddbc38b6d2d6149c201c740e3f74a62cf0.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	d33a4094b5c98b7ad929b9f5ca969fddbc38b6d2d6149c201c740e3f74a62cf0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d33a4094b5c98b7ad929b9f5ca969fddbc38b6d2d6149c201c740e3f74a62cf0.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-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine	d33a4094b5c98b7ad929b9f5ca969fddbc38b6d2d6149c201c740e3f74a62cf0.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	d33a4094b5c98b7ad929b9f5ca969fddbc38b6d2d6149c201c740e3f74a62cf0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	d33a4094b5c98b7ad929b9f5ca969fddbc38b6d2d6149c201c740e3f74a62cf0.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2304	d33a4094b5c98b7ad929b9f5ca969fddbc38b6d2d6149c201c740e3f74a62cf0.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2616	sc.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	d33a4094b5c98b7ad929b9f5ca969fddbc38b6d2d6149c201c740e3f74a62cf0.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2304	d33a4094b5c98b7ad929b9f5ca969fddbc38b6d2d6149c201c740e3f74a62cf0.exe
2304	d33a4094b5c98b7ad929b9f5ca969fddbc38b6d2d6149c201c740e3f74a62cf0.exe
2304	d33a4094b5c98b7ad929b9f5ca969fddbc38b6d2d6149c201c740e3f74a62cf0.exe
2304	d33a4094b5c98b7ad929b9f5ca969fddbc38b6d2d6149c201c740e3f74a62cf0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2304	d33a4094b5c98b7ad929b9f5ca969fddbc38b6d2d6149c201c740e3f74a62cf0.exe

C:\Users\Admin\AppData\Local\Temp\d33a4094b5c98b7ad929b9f5ca969fddbc38b6d2d6149c201c740e3f74a62cf0.exe
"C:\Users\Admin\AppData\Local\Temp\d33a4094b5c98b7ad929b9f5ca969fddbc38b6d2d6149c201c740e3f74a62cf0.exe"
1⤵
- Modifies Windows Defender Real-time Protection settings
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Windows security modification
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2304

C:\Windows\system32\sc.exe
C:\Windows\system32\sc.exe start wuauserv
1⤵
- Launches sc.exe
PID:2616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Virtualization/Sandbox Evasion

2

Credential Access

Discovery

Query Registry

3

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

2