amadey | 511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c

Virtualization/Sandbox Evasion

Processes:

355233dd3d.exeexplortu.exe511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c.exeaxplont.exeaxplont.exeaxplont.exeexplortu.exeexplortu.exe0780e4cb20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	355233dd3d.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explortu.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c.exe
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__	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__	0780e4cb20.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 18 IoCs

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

Query Registry

System Information Discovery

T1082

Processes:

axplont.exe511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c.exeaxplont.exeaxplont.exeexplortu.exe355233dd3d.exeexplortu.exeexplortu.exe0780e4cb20.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplont.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c.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\VideoBiosVersion	axplont.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	355233dd3d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	355233dd3d.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	511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	0780e4cb20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	axplont.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	0780e4cb20.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:

511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c.exeexplortu.exe0780e4cb20.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	explortu.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	0780e4cb20.exe

Executes dropped EXE 8 IoCs

Processes:

explortu.exe0780e4cb20.exeaxplont.exe355233dd3d.exeexplortu.exeaxplont.exeaxplont.exeexplortu.exe

pid process

4632 explortu.exe
952 0780e4cb20.exe
1484 axplont.exe
3656 355233dd3d.exe
1520 explortu.exe
4016 axplont.exe
3304 axplont.exe
3676 explortu.exe

pid	process
4632	explortu.exe
952	0780e4cb20.exe
1484	axplont.exe
3656	355233dd3d.exe
1520	explortu.exe
4016	axplont.exe
3304	axplont.exe
3676	explortu.exe

Identifies Wine through registry keys 2 TTPs 9 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.exeexplortu.exe0780e4cb20.exeaxplont.exeaxplont.exe511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c.exe355233dd3d.exeexplortu.exeexplortu.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine	axplont.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine	explortu.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine	0780e4cb20.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine	axplont.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine	axplont.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine	511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine	355233dd3d.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine	explortu.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine	explortu.exe

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\355233dd3d.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000005001\\355233dd3d.exe"	explortu.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs

Processes:

511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c.exeexplortu.exe0780e4cb20.exeaxplont.exe355233dd3d.exeexplortu.exeaxplont.exeaxplont.exeexplortu.exe

pid	process
2388	511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c.exe
4632	explortu.exe
952	0780e4cb20.exe
1484	axplont.exe
3656	355233dd3d.exe
1520	explortu.exe
4016	axplont.exe
3304	axplont.exe
3676	explortu.exe

Drops file in Windows directory 2 IoCs

Processes:

511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c.exe0780e4cb20.exe

description	ioc	process
File created	C:\Windows\Tasks\explortu.job	511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c.exe
File created	C:\Windows\Tasks\axplont.job	0780e4cb20.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c.exeexplortu.exe0780e4cb20.exeaxplont.exe355233dd3d.exeexplortu.exeaxplont.exeaxplont.exeexplortu.exe

pid	process
2388	511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c.exe
2388	511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c.exe
4632	explortu.exe
4632	explortu.exe
952	0780e4cb20.exe
952	0780e4cb20.exe
1484	axplont.exe
1484	axplont.exe
3656	355233dd3d.exe
3656	355233dd3d.exe
1520	explortu.exe
1520	explortu.exe
4016	axplont.exe
4016	axplont.exe
3304	axplont.exe
3304	axplont.exe
3676	explortu.exe
3676	explortu.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c.exe0780e4cb20.exe

pid process

2388 511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c.exe
952 0780e4cb20.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c.exeexplortu.exe0780e4cb20.exe

description	pid	process	target process
PID 2388 wrote to memory of 4632	2388	511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c.exe	explortu.exe
PID 2388 wrote to memory of 4632	2388	511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c.exe	explortu.exe
PID 2388 wrote to memory of 4632	2388	511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c.exe	explortu.exe
PID 4632 wrote to memory of 1508	4632	explortu.exe	explortu.exe
PID 4632 wrote to memory of 1508	4632	explortu.exe	explortu.exe
PID 4632 wrote to memory of 1508	4632	explortu.exe	explortu.exe
PID 4632 wrote to memory of 952	4632	explortu.exe	0780e4cb20.exe
PID 4632 wrote to memory of 952	4632	explortu.exe	0780e4cb20.exe
PID 4632 wrote to memory of 952	4632	explortu.exe	0780e4cb20.exe
PID 952 wrote to memory of 1484	952	0780e4cb20.exe	axplont.exe
PID 952 wrote to memory of 1484	952	0780e4cb20.exe	axplont.exe
PID 952 wrote to memory of 1484	952	0780e4cb20.exe	axplont.exe
PID 4632 wrote to memory of 3656	4632	explortu.exe	355233dd3d.exe
PID 4632 wrote to memory of 3656	4632	explortu.exe	355233dd3d.exe
PID 4632 wrote to memory of 3656	4632	explortu.exe	355233dd3d.exe

C:\Users\Admin\AppData\Local\Temp\511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c.exe
"C:\Users\Admin\AppData\Local\Temp\511db60e9d5fc979942349992732b1b01d47d4a447de5c651fd976b85238c76c.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 FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2388

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:4632

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
"C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe"
3⤵
PID:1508

C:\Users\Admin\1000004002\0780e4cb20.exe
"C:\Users\Admin\1000004002\0780e4cb20.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:952

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:1484

C:\Users\Admin\AppData\Local\Temp\1000005001\355233dd3d.exe
"C:\Users\Admin\AppData\Local\Temp\1000005001\355233dd3d.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
- Suspicious behavior: EnumeratesProcesses
PID:3656

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4140 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
1⤵
PID:1920

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:4016

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:1520

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:3304

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:3676

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

Virtualization/Sandbox Evasion

2