amadey | 3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7

Virtualization/Sandbox Evasion

Processes:

8394748f8d.exeaxplong.exeaxplong.exe3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.exeaxplong.exe3a6ec190c5.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	8394748f8d.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplong.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplong.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplong.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	3a6ec190c5.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

Processes:

axplong.exeaxplong.exe3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.exeaxplong.exe3a6ec190c5.exe8394748f8d.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3a6ec190c5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	3a6ec190c5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	8394748f8d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8394748f8d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	axplong.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

Processes:

3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.exeaxplong.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.exe
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	axplong.exe

Executes dropped EXE 5 IoCs

Processes:

axplong.exe3a6ec190c5.exe8394748f8d.exeaxplong.exeaxplong.exe

pid	Process
1128	axplong.exe
1056	3a6ec190c5.exe
1488	8394748f8d.exe
3676	axplong.exe
1100	axplong.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

Processes:

3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.exeaxplong.exe3a6ec190c5.exe8394748f8d.exeaxplong.exeaxplong.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	axplong.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	3a6ec190c5.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	8394748f8d.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	axplong.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	axplong.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

axplong.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8394748f8d.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1002397001\\8394748f8d.exe"	axplong.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3a6ec190c5.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1002396001\\3a6ec190c5.exe"	axplong.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

Processes:

3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.exeaxplong.exe3a6ec190c5.exe8394748f8d.exeaxplong.exeaxplong.exe

pid	Process
2872	3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.exe
1128	axplong.exe
1056	3a6ec190c5.exe
1488	8394748f8d.exe
3676	axplong.exe
1100	axplong.exe

Drops file in Windows directory 1 IoCs

Processes:

3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.exe

description	ioc	Process
File created	C:\Windows\Tasks\axplong.job	3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.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

Processes:

3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.exeaxplong.exe3a6ec190c5.exe8394748f8d.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	axplong.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3a6ec190c5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8394748f8d.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.exeaxplong.exe3a6ec190c5.exe8394748f8d.exeaxplong.exeaxplong.exe

pid	Process
2872	3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.exe
2872	3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.exe
1128	axplong.exe
1128	axplong.exe
1056	3a6ec190c5.exe
1056	3a6ec190c5.exe
1488	8394748f8d.exe
1488	8394748f8d.exe
3676	axplong.exe
3676	axplong.exe
1100	axplong.exe
1100	axplong.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.exe

pid	Process
2872	3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.exeaxplong.exe

description	pid	Process	procid_target
PID 2872 wrote to memory of 1128	2872	3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.exe	86
PID 2872 wrote to memory of 1128	2872	3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.exe	86
PID 2872 wrote to memory of 1128	2872	3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.exe	86
PID 1128 wrote to memory of 1056	1128	axplong.exe	89
PID 1128 wrote to memory of 1056	1128	axplong.exe	89
PID 1128 wrote to memory of 1056	1128	axplong.exe	89
PID 1128 wrote to memory of 1488	1128	axplong.exe	92
PID 1128 wrote to memory of 1488	1128	axplong.exe	92
PID 1128 wrote to memory of 1488	1128	axplong.exe	92

C:\Users\Admin\AppData\Local\Temp\3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.exe
"C:\Users\Admin\AppData\Local\Temp\3caf7535dac02718e14c86bd48e6408b6298eea6056acf2e201dd9dd1506eaf7N.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:2872
- C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe
  "C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.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:1128
- - C:\Users\Admin\AppData\Local\Temp\1002396001\3a6ec190c5.exe
    "C:\Users\Admin\AppData\Local\Temp\1002396001\3a6ec190c5.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:1056
- - C:\Users\Admin\AppData\Local\Temp\1002397001\8394748f8d.exe
    "C:\Users\Admin\AppData\Local\Temp\1002397001\8394748f8d.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:1488

C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe
C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.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:3676

C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe
C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.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:1100

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