20b209f3cf8bf8a8101871c06957d72f843875e2c02dac803fae2eba32c24470

Virtualization/Sandbox Evasion

T1497

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

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\WZXgXKnhggiNEFjhP\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\WZXgXKnhggiNEFjhP"	QIRhY.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

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2828415587-3732861812-1919322417-1000\Control Panel\International\Geo\Nation	emulate.exe

Executes dropped EXE 1 IoCs

pid	Process
2968	QIRhY.exe

Themida packer 11 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2416-0-0x00007FF726DC0000-0x00007FF727715000-memory.dmp	themida
behavioral1/memory/2416-2-0x00007FF726DC0000-0x00007FF727715000-memory.dmp	themida
behavioral1/memory/2416-3-0x00007FF726DC0000-0x00007FF727715000-memory.dmp	themida
behavioral1/memory/2416-4-0x00007FF726DC0000-0x00007FF727715000-memory.dmp	themida
behavioral1/memory/2416-5-0x00007FF726DC0000-0x00007FF727715000-memory.dmp	themida
behavioral1/memory/2416-6-0x00007FF726DC0000-0x00007FF727715000-memory.dmp	themida
behavioral1/memory/2416-7-0x00007FF726DC0000-0x00007FF727715000-memory.dmp	themida
behavioral1/memory/2416-18-0x00007FF726DC0000-0x00007FF727715000-memory.dmp	themida
behavioral1/memory/2416-25-0x00007FF726DC0000-0x00007FF727715000-memory.dmp	themida
behavioral1/memory/2416-29-0x00007FF726DC0000-0x00007FF727715000-memory.dmp	themida
behavioral1/memory/2416-30-0x00007FF726DC0000-0x00007FF727715000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

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

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2416	emulate.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SoftwareDistribution\Download\QIRhY.exe	emulate.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2968	QIRhY.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	2968	QIRhY.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 2968	2416	emulate.exe	92
PID 2416 wrote to memory of 2968	2416	emulate.exe	92
PID 2416 wrote to memory of 3672	2416	emulate.exe	94
PID 2416 wrote to memory of 3672	2416	emulate.exe	94
PID 2416 wrote to memory of 2800	2416	emulate.exe	95
PID 2416 wrote to memory of 2800	2416	emulate.exe	95

C:\Users\Admin\AppData\Local\Temp\emulate.exe
"C:\Users\Admin\AppData\Local\Temp\emulate.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Windows\SoftwareDistribution\Download\QIRhY.exe
  "C:\Windows\SoftwareDistribution\Download\QIRhY.exe"
  2⤵
  - Sets service image path in registry
  - Executes dropped EXE
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2968
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cd C:\Windows\System
  2⤵
  PID:3672
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c start C:\Windows\System\WindowsHook.exe
  2⤵
  PID:2800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

3

System Information Discovery

4

Virtualization/Sandbox Evasion