amadey | a32db65f898af65bee774d19c326c7e7b8ffc1c9e8726fdf310920e2114d1d6b

Virtualization/Sandbox Evasion

Processes:

axplong.exeaxplong.exefile.exeaxplong.exed000ec9613.exe1dcbbb80b5.exe

description	ioc	process
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__	file.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplong.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	d000ec9613.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	1dcbbb80b5.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:

d000ec9613.exe1dcbbb80b5.exeaxplong.exefile.exeaxplong.exeaxplong.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	d000ec9613.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	1dcbbb80b5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.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	d000ec9613.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	1dcbbb80b5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	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:

file.exeaxplong.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	file.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	axplong.exe

Executes dropped EXE 5 IoCs

Processes:

axplong.exed000ec9613.exe1dcbbb80b5.exeaxplong.exeaxplong.exe

pid process

348 axplong.exe
1000 d000ec9613.exe
744 1dcbbb80b5.exe
1644 axplong.exe
3688 axplong.exe

pid	process
348	axplong.exe
1000	d000ec9613.exe
744	1dcbbb80b5.exe
1644	axplong.exe
3688	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:

axplong.exefile.exeaxplong.exed000ec9613.exe1dcbbb80b5.exeaxplong.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine	axplong.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine	file.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine	axplong.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine	d000ec9613.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine	1dcbbb80b5.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\d000ec9613.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1002625001\\d000ec9613.exe"	axplong.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1dcbbb80b5.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1002626001\\1dcbbb80b5.exe"	axplong.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

Processes:

file.exeaxplong.exed000ec9613.exe1dcbbb80b5.exeaxplong.exeaxplong.exe

pid process

2612 file.exe
348 axplong.exe
1000 d000ec9613.exe
744 1dcbbb80b5.exe
1644 axplong.exe
3688 axplong.exe
Drops file in Windows directory 1 IoCs

Processes:

file.exe

description ioc process

File created C:\Windows\Tasks\axplong.job file.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\Tasks\axplong.job	file.exe

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:

file.exeaxplong.exed000ec9613.exe1dcbbb80b5.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	axplong.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d000ec9613.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1dcbbb80b5.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

file.exeaxplong.exed000ec9613.exe1dcbbb80b5.exeaxplong.exeaxplong.exe

pid	process
2612	file.exe
2612	file.exe
348	axplong.exe
348	axplong.exe
1000	d000ec9613.exe
1000	d000ec9613.exe
744	1dcbbb80b5.exe
744	1dcbbb80b5.exe
1644	axplong.exe
1644	axplong.exe
3688	axplong.exe
3688	axplong.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

file.exeaxplong.exe

description	pid	process	target process
PID 2612 wrote to memory of 348	2612	file.exe	axplong.exe
PID 2612 wrote to memory of 348	2612	file.exe	axplong.exe
PID 2612 wrote to memory of 348	2612	file.exe	axplong.exe
PID 348 wrote to memory of 1000	348	axplong.exe	d000ec9613.exe
PID 348 wrote to memory of 1000	348	axplong.exe	d000ec9613.exe
PID 348 wrote to memory of 1000	348	axplong.exe	d000ec9613.exe
PID 348 wrote to memory of 744	348	axplong.exe	1dcbbb80b5.exe
PID 348 wrote to memory of 744	348	axplong.exe	1dcbbb80b5.exe
PID 348 wrote to memory of 744	348	axplong.exe	1dcbbb80b5.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.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 WriteProcessMemory
PID:2612
- 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:348
- - C:\Users\Admin\AppData\Local\Temp\1002625001\d000ec9613.exe
    "C:\Users\Admin\AppData\Local\Temp\1002625001\d000ec9613.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:1000
- - C:\Users\Admin\AppData\Local\Temp\1002626001\1dcbbb80b5.exe
    "C:\Users\Admin\AppData\Local\Temp\1002626001\1dcbbb80b5.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:744

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:1644

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:3688

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