amadey | ee170a14d676b69cab768f8a94e482ee9ad6dc1766038d6e26c24fe2cfbd7677

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	setup.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__	axplong.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 8 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\VideoBiosVersion	axplong.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\SystemBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	setup.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	setup.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	axplong.exe

Checks computer location settings 2 TTPs 3 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-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation	setup.exe
Key value queried	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation	axplong.exe
Key value queried	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation	ldx111.exe

Executes dropped EXE 5 IoCs

pid	Process
4676	axplong.exe
4848	ldx111.exe
6052	ldx111.exe
5308	axplong.exe
5440	axplong.exe

Identifies Wine through registry keys 2 TTPs 4 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-1-5-21-464762018-485119342-1613148473-1000\Software\Wine	setup.exe
Key opened	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Software\Wine	axplong.exe
Key opened	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Software\Wine	axplong.exe
Key opened	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Software\Wine	axplong.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2244	setup.exe
4676	axplong.exe
5308	axplong.exe
5440	axplong.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4848 set thread context of 6052	4848	ldx111.exe	104

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\axplong.job	setup.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 7 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	setup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	axplong.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ldx111.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ldx111.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ldx111.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ldx111.exe

Delays execution with timeout.exe 2 IoCs

evasion

pid	Process
4028	timeout.exe
4688	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2244	setup.exe
2244	setup.exe
4676	axplong.exe
4676	axplong.exe
5308	axplong.exe
5308	axplong.exe
5440	axplong.exe
5440	axplong.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4848	ldx111.exe
Token: SeDebugPrivilege	4848	ldx111.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2244	setup.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 4676	2244	setup.exe	87
PID 2244 wrote to memory of 4676	2244	setup.exe	87
PID 2244 wrote to memory of 4676	2244	setup.exe	87
PID 4676 wrote to memory of 4848	4676	axplong.exe	93
PID 4676 wrote to memory of 4848	4676	axplong.exe	93
PID 4676 wrote to memory of 4848	4676	axplong.exe	93
PID 4848 wrote to memory of 2216	4848	ldx111.exe	94
PID 4848 wrote to memory of 2216	4848	ldx111.exe	94
PID 4848 wrote to memory of 2216	4848	ldx111.exe	94
PID 2216 wrote to memory of 4028	2216	cmd.exe	96
PID 2216 wrote to memory of 4028	2216	cmd.exe	96
PID 2216 wrote to memory of 4028	2216	cmd.exe	96
PID 4848 wrote to memory of 3732	4848	ldx111.exe	100
PID 4848 wrote to memory of 3732	4848	ldx111.exe	100
PID 4848 wrote to memory of 3732	4848	ldx111.exe	100
PID 3732 wrote to memory of 4688	3732	cmd.exe	102
PID 3732 wrote to memory of 4688	3732	cmd.exe	102
PID 3732 wrote to memory of 4688	3732	cmd.exe	102
PID 4848 wrote to memory of 6052	4848	ldx111.exe	104
PID 4848 wrote to memory of 6052	4848	ldx111.exe	104
PID 4848 wrote to memory of 6052	4848	ldx111.exe	104
PID 4848 wrote to memory of 6052	4848	ldx111.exe	104
PID 4848 wrote to memory of 6052	4848	ldx111.exe	104
PID 4848 wrote to memory of 6052	4848	ldx111.exe	104

C:\Users\Admin\AppData\Local\Temp\setup.exe
"C:\Users\Admin\AppData\Local\Temp\setup.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:2244
- 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
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4676
- - C:\Users\Admin\AppData\Local\Temp\1000031001\ldx111.exe
    "C:\Users\Admin\AppData\Local\Temp\1000031001\ldx111.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4848
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 10
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2216
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout 10
        5⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:4028
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 10
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3732
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout 10
        5⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:4688
  - - C:\Users\Admin\AppData\Local\Temp\1000031001\ldx111.exe
      "C:\Users\Admin\AppData\Local\Temp\1000031001\ldx111.exe"
      4⤵
      Executes dropped EXE
      Checks SCSI registry key(s)
      PID:6052

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:5308

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:5440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion