amadey | a417d715306c23502aeaa679833d5225f0614b2df99008dd38a3ca436bdd7c01

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	svoutse.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	a417d715306c23502aeaa679833d5225f0614b2df99008dd38a3ca436bdd7c01.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	svoutse.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4e57743850.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	059b36f1fb.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	svoutse.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 12 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\VideoBiosVersion	059b36f1fb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	svoutse.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	svoutse.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a417d715306c23502aeaa679833d5225f0614b2df99008dd38a3ca436bdd7c01.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4e57743850.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	059b36f1fb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4e57743850.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	svoutse.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	svoutse.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	a417d715306c23502aeaa679833d5225f0614b2df99008dd38a3ca436bdd7c01.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	svoutse.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	svoutse.exe

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	a417d715306c23502aeaa679833d5225f0614b2df99008dd38a3ca436bdd7c01.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	svoutse.exe

Executes dropped EXE 5 IoCs

pid	Process
4636	svoutse.exe
1384	4e57743850.exe
732	059b36f1fb.exe
3540	svoutse.exe
1216	svoutse.exe

Identifies Wine through registry keys 2 TTPs 6 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-1-5-21-2718105630-359604950-2820636825-1000\Software\Wine	a417d715306c23502aeaa679833d5225f0614b2df99008dd38a3ca436bdd7c01.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Wine	svoutse.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Wine	4e57743850.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Wine	059b36f1fb.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Wine	svoutse.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Wine	svoutse.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\059b36f1fb.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000030001\\059b36f1fb.exe"	svoutse.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

pid	Process
2004	a417d715306c23502aeaa679833d5225f0614b2df99008dd38a3ca436bdd7c01.exe
4636	svoutse.exe
1384	4e57743850.exe
732	059b36f1fb.exe
3540	svoutse.exe
1216	svoutse.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\svoutse.job	a417d715306c23502aeaa679833d5225f0614b2df99008dd38a3ca436bdd7c01.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	a417d715306c23502aeaa679833d5225f0614b2df99008dd38a3ca436bdd7c01.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svoutse.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4e57743850.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	059b36f1fb.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2004	a417d715306c23502aeaa679833d5225f0614b2df99008dd38a3ca436bdd7c01.exe
2004	a417d715306c23502aeaa679833d5225f0614b2df99008dd38a3ca436bdd7c01.exe
4636	svoutse.exe
4636	svoutse.exe
1384	4e57743850.exe
1384	4e57743850.exe
732	059b36f1fb.exe
732	059b36f1fb.exe
3540	svoutse.exe
3540	svoutse.exe
1216	svoutse.exe
1216	svoutse.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2004	a417d715306c23502aeaa679833d5225f0614b2df99008dd38a3ca436bdd7c01.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 4636	2004	a417d715306c23502aeaa679833d5225f0614b2df99008dd38a3ca436bdd7c01.exe	86
PID 2004 wrote to memory of 4636	2004	a417d715306c23502aeaa679833d5225f0614b2df99008dd38a3ca436bdd7c01.exe	86
PID 2004 wrote to memory of 4636	2004	a417d715306c23502aeaa679833d5225f0614b2df99008dd38a3ca436bdd7c01.exe	86
PID 4636 wrote to memory of 1384	4636	svoutse.exe	90
PID 4636 wrote to memory of 1384	4636	svoutse.exe	90
PID 4636 wrote to memory of 1384	4636	svoutse.exe	90
PID 4636 wrote to memory of 732	4636	svoutse.exe	92
PID 4636 wrote to memory of 732	4636	svoutse.exe	92
PID 4636 wrote to memory of 732	4636	svoutse.exe	92

C:\Users\Admin\AppData\Local\Temp\a417d715306c23502aeaa679833d5225f0614b2df99008dd38a3ca436bdd7c01.exe
"C:\Users\Admin\AppData\Local\Temp\a417d715306c23502aeaa679833d5225f0614b2df99008dd38a3ca436bdd7c01.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe
  "C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Checks computer location settings
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4636
- - C:\Users\Admin\AppData\Roaming\1000026000\4e57743850.exe
    "C:\Users\Admin\AppData\Roaming\1000026000\4e57743850.exe"
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Identifies Wine through registry keys
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:1384
- - C:\Users\Admin\AppData\Local\Temp\1000030001\059b36f1fb.exe
    "C:\Users\Admin\AppData\Local\Temp\1000030001\059b36f1fb.exe"
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Identifies Wine through registry keys
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:732

C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe
C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3540

C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe
C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:1216

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

2

Credential Access

Discovery

Query Registry

4

System Information Discovery

3

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

2