amadey | 036681321f1ff86553a6879091f5a1c9be8be2c01308a37fcf4589d8a005f6ba

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	036681321f1ff86553a6879091f5a1c9be8be2c01308a37fcf4589d8a005f6ba.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplong.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	43a54196a8.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	becc4c3637.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

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	43a54196a8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	43a54196a8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	becc4c3637.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	becc4c3637.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	036681321f1ff86553a6879091f5a1c9be8be2c01308a37fcf4589d8a005f6ba.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	036681321f1ff86553a6879091f5a1c9be8be2c01308a37fcf4589d8a005f6ba.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	axplong.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplong.exe

Executes dropped EXE 3 IoCs

pid	Process
2608	axplong.exe
2672	43a54196a8.exe
1064	becc4c3637.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	036681321f1ff86553a6879091f5a1c9be8be2c01308a37fcf4589d8a005f6ba.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	axplong.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	43a54196a8.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	becc4c3637.exe

Loads dropped DLL 4 IoCs

pid	Process
2676	036681321f1ff86553a6879091f5a1c9be8be2c01308a37fcf4589d8a005f6ba.exe
2608	axplong.exe
2608	axplong.exe
2608	axplong.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\43a54196a8.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1005916001\\43a54196a8.exe"	axplong.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\becc4c3637.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1005917001\\becc4c3637.exe"	axplong.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2676	036681321f1ff86553a6879091f5a1c9be8be2c01308a37fcf4589d8a005f6ba.exe
2608	axplong.exe
2672	43a54196a8.exe
1064	becc4c3637.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\axplong.job	036681321f1ff86553a6879091f5a1c9be8be2c01308a37fcf4589d8a005f6ba.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	036681321f1ff86553a6879091f5a1c9be8be2c01308a37fcf4589d8a005f6ba.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	axplong.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	43a54196a8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	becc4c3637.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2676	036681321f1ff86553a6879091f5a1c9be8be2c01308a37fcf4589d8a005f6ba.exe
2608	axplong.exe
2672	43a54196a8.exe
1064	becc4c3637.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2676	036681321f1ff86553a6879091f5a1c9be8be2c01308a37fcf4589d8a005f6ba.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2608	2676	036681321f1ff86553a6879091f5a1c9be8be2c01308a37fcf4589d8a005f6ba.exe	30
PID 2676 wrote to memory of 2608	2676	036681321f1ff86553a6879091f5a1c9be8be2c01308a37fcf4589d8a005f6ba.exe	30
PID 2676 wrote to memory of 2608	2676	036681321f1ff86553a6879091f5a1c9be8be2c01308a37fcf4589d8a005f6ba.exe	30
PID 2676 wrote to memory of 2608	2676	036681321f1ff86553a6879091f5a1c9be8be2c01308a37fcf4589d8a005f6ba.exe	30
PID 2608 wrote to memory of 2672	2608	axplong.exe	31
PID 2608 wrote to memory of 2672	2608	axplong.exe	31
PID 2608 wrote to memory of 2672	2608	axplong.exe	31
PID 2608 wrote to memory of 2672	2608	axplong.exe	31
PID 2608 wrote to memory of 1064	2608	axplong.exe	33
PID 2608 wrote to memory of 1064	2608	axplong.exe	33
PID 2608 wrote to memory of 1064	2608	axplong.exe	33
PID 2608 wrote to memory of 1064	2608	axplong.exe	33

C:\Users\Admin\AppData\Local\Temp\036681321f1ff86553a6879091f5a1c9be8be2c01308a37fcf4589d8a005f6ba.exe
"C:\Users\Admin\AppData\Local\Temp\036681321f1ff86553a6879091f5a1c9be8be2c01308a37fcf4589d8a005f6ba.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:2676
- 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
  - 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:2608
- - C:\Users\Admin\AppData\Local\Temp\1005916001\43a54196a8.exe
    "C:\Users\Admin\AppData\Local\Temp\1005916001\43a54196a8.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:2672
- - C:\Users\Admin\AppData\Local\Temp\1005917001\becc4c3637.exe
    "C:\Users\Admin\AppData\Local\Temp\1005917001\becc4c3637.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:1064

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