amadey | 0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162

Virtualization/Sandbox Evasion

Processes:

8bfe1ebe86.exedac34d87f9.exeaxplont.exeexplortu.exe0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exeexplortu.exeaxplont.exeaxplont.exeexplortu.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	8bfe1ebe86.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	dac34d87f9.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__	0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.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
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	explortu.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:

explortu.exeexplortu.exeaxplont.exe0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exeexplortu.exedac34d87f9.exeaxplont.exeaxplont.exe8bfe1ebe86.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	0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.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\SystemBiosVersion	dac34d87f9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	axplont.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	dac34d87f9.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	0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explortu.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\SystemBiosVersion	8bfe1ebe86.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8bfe1ebe86.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:

0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exeexplortu.exe8bfe1ebe86.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.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	8bfe1ebe86.exe

Executes dropped EXE 8 IoCs

Processes:

explortu.exe8bfe1ebe86.exedac34d87f9.exeaxplont.exeaxplont.exeexplortu.exeexplortu.exeaxplont.exe

pid process

3712 explortu.exe
1920 8bfe1ebe86.exe
4916 dac34d87f9.exe
1380 axplont.exe
1384 axplont.exe
3500 explortu.exe
520 explortu.exe
2240 axplont.exe

pid	process
3712	explortu.exe
1920	8bfe1ebe86.exe
4916	dac34d87f9.exe
1380	axplont.exe
1384	axplont.exe
3500	explortu.exe
520	explortu.exe
2240	axplont.exe

Identifies Wine through registry keys 2 TTPs 8 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.exeexplortu.exe0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exeexplortu.exe8bfe1ebe86.exeaxplont.exeaxplont.exe

description	ioc	process
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	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	0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.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	8bfe1ebe86.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

Themida packer 10 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\1000005001\dac34d87f9.exe	themida
behavioral1/memory/4916-76-0x0000000000770000-0x0000000000DF5000-memory.dmp	themida
behavioral1/memory/4916-77-0x0000000000770000-0x0000000000DF5000-memory.dmp	themida
behavioral1/memory/4916-75-0x0000000000770000-0x0000000000DF5000-memory.dmp	themida
behavioral1/memory/4916-74-0x0000000000770000-0x0000000000DF5000-memory.dmp	themida
behavioral1/memory/4916-80-0x0000000000770000-0x0000000000DF5000-memory.dmp	themida
behavioral1/memory/4916-83-0x0000000000770000-0x0000000000DF5000-memory.dmp	themida
behavioral1/memory/4916-81-0x0000000000770000-0x0000000000DF5000-memory.dmp	themida
behavioral1/memory/4916-82-0x0000000000770000-0x0000000000DF5000-memory.dmp	themida
behavioral1/memory/4916-86-0x0000000000770000-0x0000000000DF5000-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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dac34d87f9.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000005001\\dac34d87f9.exe"	explortu.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

dac34d87f9.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA dac34d87f9.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	dac34d87f9.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs

Processes:

0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exeexplortu.exe8bfe1ebe86.exeaxplont.exeaxplont.exeexplortu.exeexplortu.exeaxplont.exe

pid	process
2548	0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe
3712	explortu.exe
1920	8bfe1ebe86.exe
1380	axplont.exe
1384	axplont.exe
3500	explortu.exe
520	explortu.exe
2240	axplont.exe

Drops file in Windows directory 2 IoCs

Processes:

0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe8bfe1ebe86.exe

description	ioc	process
File created	C:\Windows\Tasks\explortu.job	0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe
File created	C:\Windows\Tasks\axplont.job	8bfe1ebe86.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exeexplortu.exe8bfe1ebe86.exeaxplont.exeaxplont.exeexplortu.exeexplortu.exeaxplont.exe

pid	process
2548	0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe
2548	0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe
3712	explortu.exe
3712	explortu.exe
1920	8bfe1ebe86.exe
1920	8bfe1ebe86.exe
1380	axplont.exe
1380	axplont.exe
1384	axplont.exe
1384	axplont.exe
3500	explortu.exe
3500	explortu.exe
520	explortu.exe
520	explortu.exe
2240	axplont.exe
2240	axplont.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe8bfe1ebe86.exe

pid process

2548 0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe
1920 8bfe1ebe86.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exeexplortu.exe8bfe1ebe86.exe

description	pid	process	target process
PID 2548 wrote to memory of 3712	2548	0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe	explortu.exe
PID 2548 wrote to memory of 3712	2548	0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe	explortu.exe
PID 2548 wrote to memory of 3712	2548	0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe	explortu.exe
PID 3712 wrote to memory of 2936	3712	explortu.exe	explortu.exe
PID 3712 wrote to memory of 2936	3712	explortu.exe	explortu.exe
PID 3712 wrote to memory of 2936	3712	explortu.exe	explortu.exe
PID 3712 wrote to memory of 1920	3712	explortu.exe	8bfe1ebe86.exe
PID 3712 wrote to memory of 1920	3712	explortu.exe	8bfe1ebe86.exe
PID 3712 wrote to memory of 1920	3712	explortu.exe	8bfe1ebe86.exe
PID 3712 wrote to memory of 4916	3712	explortu.exe	dac34d87f9.exe
PID 3712 wrote to memory of 4916	3712	explortu.exe	dac34d87f9.exe
PID 3712 wrote to memory of 4916	3712	explortu.exe	dac34d87f9.exe
PID 1920 wrote to memory of 1380	1920	8bfe1ebe86.exe	axplont.exe
PID 1920 wrote to memory of 1380	1920	8bfe1ebe86.exe	axplont.exe
PID 1920 wrote to memory of 1380	1920	8bfe1ebe86.exe	axplont.exe

C:\Users\Admin\AppData\Local\Temp\0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe
"C:\Users\Admin\AppData\Local\Temp\0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.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:2548

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:3712

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
"C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe"
3⤵
PID:2936

C:\Users\Admin\1000004002\8bfe1ebe86.exe
"C:\Users\Admin\1000004002\8bfe1ebe86.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:1920

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:1380

C:\Users\Admin\AppData\Local\Temp\1000005001\dac34d87f9.exe
"C:\Users\Admin\AppData\Local\Temp\1000005001\dac34d87f9.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:4916

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=3612 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
1⤵
PID:4376

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:1384

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:3500

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:2240

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:520

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