amadey | da6390e0e3971f3acc3e14d20822d54fe6a893c4a00a588efafeff55240e4b2e

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplong.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	da6390e0e3971f3acc3e14d20822d54fe6a893c4a00a588efafeff55240e4b2eN.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplong.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	0c831d7ff9.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	43859e0a63.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplong.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\SystemBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	0c831d7ff9.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	da6390e0e3971f3acc3e14d20822d54fe6a893c4a00a588efafeff55240e4b2eN.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	0c831d7ff9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	43859e0a63.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	43859e0a63.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	da6390e0e3971f3acc3e14d20822d54fe6a893c4a00a588efafeff55240e4b2eN.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	da6390e0e3971f3acc3e14d20822d54fe6a893c4a00a588efafeff55240e4b2eN.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	axplong.exe

Executes dropped EXE 5 IoCs

pid	Process
2212	axplong.exe
2872	0c831d7ff9.exe
2008	43859e0a63.exe
1932	axplong.exe
2404	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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	axplong.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	axplong.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	da6390e0e3971f3acc3e14d20822d54fe6a893c4a00a588efafeff55240e4b2eN.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	axplong.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	0c831d7ff9.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	43859e0a63.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\43859e0a63.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1002348001\\43859e0a63.exe"	axplong.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0c831d7ff9.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1002347001\\0c831d7ff9.exe"	axplong.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs

pid	Process
2484	da6390e0e3971f3acc3e14d20822d54fe6a893c4a00a588efafeff55240e4b2eN.exe
2212	axplong.exe
2872	0c831d7ff9.exe
2008	43859e0a63.exe
1932	axplong.exe
2404	axplong.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\axplong.job	da6390e0e3971f3acc3e14d20822d54fe6a893c4a00a588efafeff55240e4b2eN.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	43859e0a63.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	da6390e0e3971f3acc3e14d20822d54fe6a893c4a00a588efafeff55240e4b2eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	axplong.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0c831d7ff9.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2484	da6390e0e3971f3acc3e14d20822d54fe6a893c4a00a588efafeff55240e4b2eN.exe
2484	da6390e0e3971f3acc3e14d20822d54fe6a893c4a00a588efafeff55240e4b2eN.exe
2212	axplong.exe
2212	axplong.exe
2872	0c831d7ff9.exe
2872	0c831d7ff9.exe
2008	43859e0a63.exe
2008	43859e0a63.exe
1932	axplong.exe
1932	axplong.exe
2404	axplong.exe
2404	axplong.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2484	da6390e0e3971f3acc3e14d20822d54fe6a893c4a00a588efafeff55240e4b2eN.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 2212	2484	da6390e0e3971f3acc3e14d20822d54fe6a893c4a00a588efafeff55240e4b2eN.exe	86
PID 2484 wrote to memory of 2212	2484	da6390e0e3971f3acc3e14d20822d54fe6a893c4a00a588efafeff55240e4b2eN.exe	86
PID 2484 wrote to memory of 2212	2484	da6390e0e3971f3acc3e14d20822d54fe6a893c4a00a588efafeff55240e4b2eN.exe	86
PID 2212 wrote to memory of 2872	2212	axplong.exe	90
PID 2212 wrote to memory of 2872	2212	axplong.exe	90
PID 2212 wrote to memory of 2872	2212	axplong.exe	90
PID 2212 wrote to memory of 2008	2212	axplong.exe	93
PID 2212 wrote to memory of 2008	2212	axplong.exe	93
PID 2212 wrote to memory of 2008	2212	axplong.exe	93

C:\Users\Admin\AppData\Local\Temp\da6390e0e3971f3acc3e14d20822d54fe6a893c4a00a588efafeff55240e4b2eN.exe
"C:\Users\Admin\AppData\Local\Temp\da6390e0e3971f3acc3e14d20822d54fe6a893c4a00a588efafeff55240e4b2eN.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:2484
- 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:2212
- - C:\Users\Admin\AppData\Local\Temp\1002347001\0c831d7ff9.exe
    "C:\Users\Admin\AppData\Local\Temp\1002347001\0c831d7ff9.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:2872
- - C:\Users\Admin\AppData\Local\Temp\1002348001\43859e0a63.exe
    "C:\Users\Admin\AppData\Local\Temp\1002348001\43859e0a63.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:2008

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:1932

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:2404

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