amadey | 0deaf5eda6a1895787e1231c8c173964eeaf01d6c75c3cbb0271437f7e3c106d

Virtualization/Sandbox Evasion

Processes:

0deaf5eda6a1895787e1231c8c173964eeaf01d6c75c3cbb0271437f7e3c106d.exeaxplont.exeexplortu.exeexplortu.exe50f748d7c5.exeaxplont.exe533e673a8b.exeexplortu.exeexplortu.exeaxplont.exeaxplont.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	0deaf5eda6a1895787e1231c8c173964eeaf01d6c75c3cbb0271437f7e3c106d.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplont.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explortu.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explortu.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	50f748d7c5.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplont.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	533e673a8b.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explortu.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explortu.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplont.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplont.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 22 IoCs

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

Query Registry

System Information Discovery

T1082

Processes:

explortu.exeaxplont.exe0deaf5eda6a1895787e1231c8c173964eeaf01d6c75c3cbb0271437f7e3c106d.exeexplortu.exeaxplont.exeexplortu.exeaxplont.exeexplortu.exe50f748d7c5.exe533e673a8b.exeaxplont.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	axplont.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	0deaf5eda6a1895787e1231c8c173964eeaf01d6c75c3cbb0271437f7e3c106d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplont.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplont.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	axplont.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	50f748d7c5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	533e673a8b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	533e673a8b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplont.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	0deaf5eda6a1895787e1231c8c173964eeaf01d6c75c3cbb0271437f7e3c106d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	50f748d7c5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	axplont.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	axplont.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplont.exe

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

T1082

Processes:

0deaf5eda6a1895787e1231c8c173964eeaf01d6c75c3cbb0271437f7e3c106d.exeexplortu.exe50f748d7c5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	0deaf5eda6a1895787e1231c8c173964eeaf01d6c75c3cbb0271437f7e3c106d.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	explortu.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	50f748d7c5.exe

Executes dropped EXE 10 IoCs

Processes:

explortu.exe50f748d7c5.exeaxplont.exe533e673a8b.exeexplortu.exeaxplont.exeexplortu.exeaxplont.exeaxplont.exeexplortu.exe

pid	process
856	explortu.exe
4252	50f748d7c5.exe
1040	axplont.exe
2460	533e673a8b.exe
2180	explortu.exe
116	axplont.exe
5020	explortu.exe
2192	axplont.exe
5020	axplont.exe
2652	explortu.exe

Identifies Wine through registry keys 2 TTPs 10 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:

explortu.exeaxplont.exeaxplont.exeexplortu.exeaxplont.exeaxplont.exe0deaf5eda6a1895787e1231c8c173964eeaf01d6c75c3cbb0271437f7e3c106d.exeexplortu.exeexplortu.exe50f748d7c5.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Wine	explortu.exe
Key opened	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Wine	axplont.exe
Key opened	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Wine	axplont.exe
Key opened	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Wine	explortu.exe
Key opened	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Wine	axplont.exe
Key opened	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Wine	axplont.exe
Key opened	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Wine	0deaf5eda6a1895787e1231c8c173964eeaf01d6c75c3cbb0271437f7e3c106d.exe
Key opened	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Wine	explortu.exe
Key opened	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Wine	explortu.exe
Key opened	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Wine	50f748d7c5.exe

Themida packer 10 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\1000005001\533e673a8b.exe	themida
behavioral1/memory/2460-72-0x0000000000350000-0x00000000009C1000-memory.dmp	themida
behavioral1/memory/2460-73-0x0000000000350000-0x00000000009C1000-memory.dmp	themida
behavioral1/memory/2460-75-0x0000000000350000-0x00000000009C1000-memory.dmp	themida
behavioral1/memory/2460-74-0x0000000000350000-0x00000000009C1000-memory.dmp	themida
behavioral1/memory/2460-76-0x0000000000350000-0x00000000009C1000-memory.dmp	themida
behavioral1/memory/2460-78-0x0000000000350000-0x00000000009C1000-memory.dmp	themida
behavioral1/memory/2460-77-0x0000000000350000-0x00000000009C1000-memory.dmp	themida
behavioral1/memory/2460-79-0x0000000000350000-0x00000000009C1000-memory.dmp	themida
behavioral1/memory/2460-89-0x0000000000350000-0x00000000009C1000-memory.dmp	themida

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

explortu.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\533e673a8b.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000005001\\533e673a8b.exe"	explortu.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

533e673a8b.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 533e673a8b.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	533e673a8b.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 10 IoCs

Processes:

0deaf5eda6a1895787e1231c8c173964eeaf01d6c75c3cbb0271437f7e3c106d.exeexplortu.exe50f748d7c5.exeaxplont.exeaxplont.exeexplortu.exeexplortu.exeaxplont.exeaxplont.exeexplortu.exe

pid	process
2004	0deaf5eda6a1895787e1231c8c173964eeaf01d6c75c3cbb0271437f7e3c106d.exe
856	explortu.exe
4252	50f748d7c5.exe
1040	axplont.exe
116	axplont.exe
2180	explortu.exe
5020	explortu.exe
2192	axplont.exe
5020	axplont.exe
2652	explortu.exe

Drops file in Windows directory 2 IoCs

Processes:

50f748d7c5.exe0deaf5eda6a1895787e1231c8c173964eeaf01d6c75c3cbb0271437f7e3c106d.exe

description	ioc	process
File created	C:\Windows\Tasks\axplont.job	50f748d7c5.exe
File created	C:\Windows\Tasks\explortu.job	0deaf5eda6a1895787e1231c8c173964eeaf01d6c75c3cbb0271437f7e3c106d.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

0deaf5eda6a1895787e1231c8c173964eeaf01d6c75c3cbb0271437f7e3c106d.exeexplortu.exe50f748d7c5.exeaxplont.exeaxplont.exeexplortu.exeexplortu.exeaxplont.exeaxplont.exeexplortu.exe

pid	process
2004	0deaf5eda6a1895787e1231c8c173964eeaf01d6c75c3cbb0271437f7e3c106d.exe
2004	0deaf5eda6a1895787e1231c8c173964eeaf01d6c75c3cbb0271437f7e3c106d.exe
856	explortu.exe
856	explortu.exe
4252	50f748d7c5.exe
4252	50f748d7c5.exe
1040	axplont.exe
1040	axplont.exe
116	axplont.exe
116	axplont.exe
2180	explortu.exe
2180	explortu.exe
5020	explortu.exe
5020	explortu.exe
2192	axplont.exe
2192	axplont.exe
5020	axplont.exe
5020	axplont.exe
2652	explortu.exe
2652	explortu.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

0deaf5eda6a1895787e1231c8c173964eeaf01d6c75c3cbb0271437f7e3c106d.exeexplortu.exe50f748d7c5.exe

description	pid	process	target process
PID 2004 wrote to memory of 856	2004	0deaf5eda6a1895787e1231c8c173964eeaf01d6c75c3cbb0271437f7e3c106d.exe	explortu.exe
PID 2004 wrote to memory of 856	2004	0deaf5eda6a1895787e1231c8c173964eeaf01d6c75c3cbb0271437f7e3c106d.exe	explortu.exe
PID 2004 wrote to memory of 856	2004	0deaf5eda6a1895787e1231c8c173964eeaf01d6c75c3cbb0271437f7e3c106d.exe	explortu.exe
PID 856 wrote to memory of 1808	856	explortu.exe	explortu.exe
PID 856 wrote to memory of 1808	856	explortu.exe	explortu.exe
PID 856 wrote to memory of 1808	856	explortu.exe	explortu.exe
PID 856 wrote to memory of 4252	856	explortu.exe	50f748d7c5.exe
PID 856 wrote to memory of 4252	856	explortu.exe	50f748d7c5.exe
PID 856 wrote to memory of 4252	856	explortu.exe	50f748d7c5.exe
PID 4252 wrote to memory of 1040	4252	50f748d7c5.exe	axplont.exe
PID 4252 wrote to memory of 1040	4252	50f748d7c5.exe	axplont.exe
PID 4252 wrote to memory of 1040	4252	50f748d7c5.exe	axplont.exe
PID 856 wrote to memory of 2460	856	explortu.exe	533e673a8b.exe
PID 856 wrote to memory of 2460	856	explortu.exe	533e673a8b.exe
PID 856 wrote to memory of 2460	856	explortu.exe	533e673a8b.exe

C:\Users\Admin\AppData\Local\Temp\0deaf5eda6a1895787e1231c8c173964eeaf01d6c75c3cbb0271437f7e3c106d.exe
"C:\Users\Admin\AppData\Local\Temp\0deaf5eda6a1895787e1231c8c173964eeaf01d6c75c3cbb0271437f7e3c106d.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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2004

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
"C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:856

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
"C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe"
3⤵
PID:1808

C:\Users\Admin\1000004002\50f748d7c5.exe
"C:\Users\Admin\1000004002\50f748d7c5.exe"
3⤵
- 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
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4252

C:\Users\Admin\AppData\Local\Temp\1b29d73536\axplont.exe
"C:\Users\Admin\AppData\Local\Temp\1b29d73536\axplont.exe"
4⤵
- 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:1040

C:\Users\Admin\AppData\Local\Temp\1000005001\533e673a8b.exe
"C:\Users\Admin\AppData\Local\Temp\1000005001\533e673a8b.exe"
3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
PID:2460

C:\Users\Admin\AppData\Local\Temp\1b29d73536\axplont.exe
C:\Users\Admin\AppData\Local\Temp\1b29d73536\axplont.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:116

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:2180

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:5020

C:\Users\Admin\AppData\Local\Temp\1b29d73536\axplont.exe
C:\Users\Admin\AppData\Local\Temp\1b29d73536\axplont.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:2192

C:\Users\Admin\AppData\Local\Temp\1b29d73536\axplont.exe
C:\Users\Admin\AppData\Local\Temp\1b29d73536\axplont.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:5020

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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:2652

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Virtualization/Sandbox Evasion

2

Modify Registry

T1112

Credential Access

Discovery

Query Registry

4

Virtualization/Sandbox Evasion

2