amadey | 2a297763a18a51c9d48e3deb80cffdafaa73f36f440b0d72f87d0eab364d2ec4

Virtualization/Sandbox Evasion

Processes:

axplont.exeaxplont.exeexplortu.exe36d3fb4ee7.exe6fecaa723a.exeaxplont.exeexplortu.exeexplortu.exeexplortu.exe2a297763a18a51c9d48e3deb80cffdafaa73f36f440b0d72f87d0eab364d2ec4.exeaxplont.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplont.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__	36d3fb4ee7.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	6fecaa723a.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__	explortu.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2a297763a18a51c9d48e3deb80cffdafaa73f36f440b0d72f87d0eab364d2ec4.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:

6fecaa723a.exeaxplont.exeaxplont.exeaxplont.exeexplortu.exe2a297763a18a51c9d48e3deb80cffdafaa73f36f440b0d72f87d0eab364d2ec4.exeexplortu.exe36d3fb4ee7.exeexplortu.exeaxplont.exeexplortu.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	6fecaa723a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplont.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\SystemBiosVersion	2a297763a18a51c9d48e3deb80cffdafaa73f36f440b0d72f87d0eab364d2ec4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplont.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2a297763a18a51c9d48e3deb80cffdafaa73f36f440b0d72f87d0eab364d2ec4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	36d3fb4ee7.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\SystemBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	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	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	36d3fb4ee7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	6fecaa723a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	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:

2a297763a18a51c9d48e3deb80cffdafaa73f36f440b0d72f87d0eab364d2ec4.exeexplortu.exe36d3fb4ee7.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	2a297763a18a51c9d48e3deb80cffdafaa73f36f440b0d72f87d0eab364d2ec4.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	36d3fb4ee7.exe

Executes dropped EXE 10 IoCs

Processes:

explortu.exe36d3fb4ee7.exeaxplont.exe6fecaa723a.exeexplortu.exeaxplont.exeaxplont.exeexplortu.exeexplortu.exeaxplont.exe

pid	process
60	explortu.exe
3312	36d3fb4ee7.exe
3496	axplont.exe
392	6fecaa723a.exe
4732	explortu.exe
4552	axplont.exe
4544	axplont.exe
1480	explortu.exe
1436	explortu.exe
848	axplont.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:

axplont.exe2a297763a18a51c9d48e3deb80cffdafaa73f36f440b0d72f87d0eab364d2ec4.exeexplortu.exe36d3fb4ee7.exeaxplont.exeaxplont.exeaxplont.exeexplortu.exeexplortu.exeexplortu.exe

description	ioc	process
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	2a297763a18a51c9d48e3deb80cffdafaa73f36f440b0d72f87d0eab364d2ec4.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	36d3fb4ee7.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	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	explortu.exe
Key opened	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Wine	explortu.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\6fecaa723a.exe	themida
behavioral1/memory/392-72-0x0000000000AD0000-0x000000000112F000-memory.dmp	themida
behavioral1/memory/392-73-0x0000000000AD0000-0x000000000112F000-memory.dmp	themida
behavioral1/memory/392-75-0x0000000000AD0000-0x000000000112F000-memory.dmp	themida
behavioral1/memory/392-74-0x0000000000AD0000-0x000000000112F000-memory.dmp	themida
behavioral1/memory/392-76-0x0000000000AD0000-0x000000000112F000-memory.dmp	themida
behavioral1/memory/392-78-0x0000000000AD0000-0x000000000112F000-memory.dmp	themida
behavioral1/memory/392-79-0x0000000000AD0000-0x000000000112F000-memory.dmp	themida
behavioral1/memory/392-77-0x0000000000AD0000-0x000000000112F000-memory.dmp	themida
behavioral1/memory/392-89-0x0000000000AD0000-0x000000000112F000-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\6fecaa723a.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000005001\\6fecaa723a.exe"	explortu.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

6fecaa723a.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 6fecaa723a.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	6fecaa723a.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 10 IoCs

Processes:

2a297763a18a51c9d48e3deb80cffdafaa73f36f440b0d72f87d0eab364d2ec4.exeexplortu.exe36d3fb4ee7.exeaxplont.exeaxplont.exeexplortu.exeexplortu.exeaxplont.exeexplortu.exeaxplont.exe

pid	process
4540	2a297763a18a51c9d48e3deb80cffdafaa73f36f440b0d72f87d0eab364d2ec4.exe
60	explortu.exe
3312	36d3fb4ee7.exe
3496	axplont.exe
4552	axplont.exe
4732	explortu.exe
1480	explortu.exe
4544	axplont.exe
1436	explortu.exe
848	axplont.exe

Drops file in Windows directory 2 IoCs

Processes:

2a297763a18a51c9d48e3deb80cffdafaa73f36f440b0d72f87d0eab364d2ec4.exe36d3fb4ee7.exe

description	ioc	process
File created	C:\Windows\Tasks\explortu.job	2a297763a18a51c9d48e3deb80cffdafaa73f36f440b0d72f87d0eab364d2ec4.exe
File created	C:\Windows\Tasks\axplont.job	36d3fb4ee7.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:

2a297763a18a51c9d48e3deb80cffdafaa73f36f440b0d72f87d0eab364d2ec4.exeexplortu.exe36d3fb4ee7.exeaxplont.exeaxplont.exeexplortu.exeaxplont.exeexplortu.exeexplortu.exeaxplont.exe

pid	process
4540	2a297763a18a51c9d48e3deb80cffdafaa73f36f440b0d72f87d0eab364d2ec4.exe
4540	2a297763a18a51c9d48e3deb80cffdafaa73f36f440b0d72f87d0eab364d2ec4.exe
60	explortu.exe
60	explortu.exe
3312	36d3fb4ee7.exe
3312	36d3fb4ee7.exe
3496	axplont.exe
3496	axplont.exe
4552	axplont.exe
4552	axplont.exe
4732	explortu.exe
4732	explortu.exe
4544	axplont.exe
4544	axplont.exe
1480	explortu.exe
1480	explortu.exe
1436	explortu.exe
1436	explortu.exe
848	axplont.exe
848	axplont.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

36d3fb4ee7.exe

pid process

3312 36d3fb4ee7.exe

pid	process
3312	36d3fb4ee7.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

2a297763a18a51c9d48e3deb80cffdafaa73f36f440b0d72f87d0eab364d2ec4.exeexplortu.exe36d3fb4ee7.exe

description	pid	process	target process
PID 4540 wrote to memory of 60	4540	2a297763a18a51c9d48e3deb80cffdafaa73f36f440b0d72f87d0eab364d2ec4.exe	explortu.exe
PID 4540 wrote to memory of 60	4540	2a297763a18a51c9d48e3deb80cffdafaa73f36f440b0d72f87d0eab364d2ec4.exe	explortu.exe
PID 4540 wrote to memory of 60	4540	2a297763a18a51c9d48e3deb80cffdafaa73f36f440b0d72f87d0eab364d2ec4.exe	explortu.exe
PID 60 wrote to memory of 5000	60	explortu.exe	explortu.exe
PID 60 wrote to memory of 5000	60	explortu.exe	explortu.exe
PID 60 wrote to memory of 5000	60	explortu.exe	explortu.exe
PID 60 wrote to memory of 3312	60	explortu.exe	36d3fb4ee7.exe
PID 60 wrote to memory of 3312	60	explortu.exe	36d3fb4ee7.exe
PID 60 wrote to memory of 3312	60	explortu.exe	36d3fb4ee7.exe
PID 3312 wrote to memory of 3496	3312	36d3fb4ee7.exe	axplont.exe
PID 3312 wrote to memory of 3496	3312	36d3fb4ee7.exe	axplont.exe
PID 3312 wrote to memory of 3496	3312	36d3fb4ee7.exe	axplont.exe
PID 60 wrote to memory of 392	60	explortu.exe	6fecaa723a.exe
PID 60 wrote to memory of 392	60	explortu.exe	6fecaa723a.exe
PID 60 wrote to memory of 392	60	explortu.exe	6fecaa723a.exe

C:\Users\Admin\AppData\Local\Temp\2a297763a18a51c9d48e3deb80cffdafaa73f36f440b0d72f87d0eab364d2ec4.exe
"C:\Users\Admin\AppData\Local\Temp\2a297763a18a51c9d48e3deb80cffdafaa73f36f440b0d72f87d0eab364d2ec4.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:4540

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:60

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
"C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe"
3⤵
PID:5000

C:\Users\Admin\1000004002\36d3fb4ee7.exe
"C:\Users\Admin\1000004002\36d3fb4ee7.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 FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3312

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:3496

C:\Users\Admin\AppData\Local\Temp\1000005001\6fecaa723a.exe
"C:\Users\Admin\AppData\Local\Temp\1000005001\6fecaa723a.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:392

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:4552

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:4732

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:4544

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:1480

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:1436

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:848

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