amadey | e4ebfe05d5685af733adb8a33f0f13e93798d01bf86d834b89fea6c1f4819211

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplong.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	e759d0d33b.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	e4ebfe05d5685af733adb8a33f0f13e93798d01bf86d834b89fea6c1f4819211.exe

Downloads MZ/PE file 2 IoCs

flow	pid	Process
3	2680	axplong.exe
8	2680	axplong.exe

Checks BIOS information in registry 2 TTPs 6 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\VideoBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	e759d0d33b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e759d0d33b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	e4ebfe05d5685af733adb8a33f0f13e93798d01bf86d834b89fea6c1f4819211.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e4ebfe05d5685af733adb8a33f0f13e93798d01bf86d834b89fea6c1f4819211.exe

Executes dropped EXE 2 IoCs

pid	Process
2680	axplong.exe
2036	e759d0d33b.exe

Identifies Wine through registry keys 2 TTPs 3 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

defense_evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	e4ebfe05d5685af733adb8a33f0f13e93798d01bf86d834b89fea6c1f4819211.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	axplong.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	e759d0d33b.exe

Loads dropped DLL 4 IoCs

pid	Process
2840	e4ebfe05d5685af733adb8a33f0f13e93798d01bf86d834b89fea6c1f4819211.exe
2840	e4ebfe05d5685af733adb8a33f0f13e93798d01bf86d834b89fea6c1f4819211.exe
2680	axplong.exe
2680	axplong.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\e759d0d33b.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1020044001\\e759d0d33b.exe"	axplong.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
2840	e4ebfe05d5685af733adb8a33f0f13e93798d01bf86d834b89fea6c1f4819211.exe
2680	axplong.exe
2036	e759d0d33b.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\axplong.job	e4ebfe05d5685af733adb8a33f0f13e93798d01bf86d834b89fea6c1f4819211.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 3 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	e4ebfe05d5685af733adb8a33f0f13e93798d01bf86d834b89fea6c1f4819211.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	axplong.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e759d0d33b.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2840	e4ebfe05d5685af733adb8a33f0f13e93798d01bf86d834b89fea6c1f4819211.exe
2680	axplong.exe
2036	e759d0d33b.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2840	e4ebfe05d5685af733adb8a33f0f13e93798d01bf86d834b89fea6c1f4819211.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 2680	2840	e4ebfe05d5685af733adb8a33f0f13e93798d01bf86d834b89fea6c1f4819211.exe	28
PID 2840 wrote to memory of 2680	2840	e4ebfe05d5685af733adb8a33f0f13e93798d01bf86d834b89fea6c1f4819211.exe	28
PID 2840 wrote to memory of 2680	2840	e4ebfe05d5685af733adb8a33f0f13e93798d01bf86d834b89fea6c1f4819211.exe	28
PID 2840 wrote to memory of 2680	2840	e4ebfe05d5685af733adb8a33f0f13e93798d01bf86d834b89fea6c1f4819211.exe	28
PID 2680 wrote to memory of 2036	2680	axplong.exe	32
PID 2680 wrote to memory of 2036	2680	axplong.exe	32
PID 2680 wrote to memory of 2036	2680	axplong.exe	32
PID 2680 wrote to memory of 2036	2680	axplong.exe	32

C:\Users\Admin\AppData\Local\Temp\e4ebfe05d5685af733adb8a33f0f13e93798d01bf86d834b89fea6c1f4819211.exe
"C:\Users\Admin\AppData\Local\Temp\e4ebfe05d5685af733adb8a33f0f13e93798d01bf86d834b89fea6c1f4819211.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- 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:2840
- 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)
  - Downloads MZ/PE file
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Users\Admin\AppData\Local\Temp\1020044001\e759d0d33b.exe
    "C:\Users\Admin\AppData\Local\Temp\1020044001\e759d0d33b.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:2036

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

3

System Information Discovery

2

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

2