amadey | 0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162

Virtualization/Sandbox Evasion

Processes:

explortu.exeaxplont.exe0d7ac7becb.exeexplortu.exeaxplont.exeexplortu.exe0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exeexplortu.exe17077649b8.exeaxplont.exe

description	ioc	process
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__	0d7ac7becb.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__	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__	17077649b8.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	axplont.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 20 IoCs

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

Query Registry

System Information Discovery

T1082

Processes:

explortu.exeaxplont.exeexplortu.exeexplortu.exeaxplont.exeaxplont.exeexplortu.exe0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe17077649b8.exe0d7ac7becb.exe

description	ioc	process
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\VideoBiosVersion	axplont.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	axplont.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	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	17077649b8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	0d7ac7becb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	17077649b8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	0d7ac7becb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explortu.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explortu.exe

Executes dropped EXE 9 IoCs

Processes:

explortu.exeexplortu.exe17077649b8.exeaxplont.exe0d7ac7becb.exeaxplont.exeexplortu.exeaxplont.exeexplortu.exe

pid	process
2364	explortu.exe
2096	explortu.exe
4628	17077649b8.exe
1396	axplont.exe
4088	0d7ac7becb.exe
2624	axplont.exe
492	explortu.exe
3848	axplont.exe
1340	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:

explortu.exeaxplont.exeexplortu.exeexplortu.exe17077649b8.exeaxplont.exeaxplont.exe0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exeexplortu.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Wine	explortu.exe
Key opened	\REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Wine	axplont.exe
Key opened	\REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Wine	explortu.exe
Key opened	\REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Wine	explortu.exe
Key opened	\REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Wine	17077649b8.exe
Key opened	\REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Wine	axplont.exe
Key opened	\REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Wine	axplont.exe
Key opened	\REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Wine	0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe
Key opened	\REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\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\0d7ac7becb.exe	themida
behavioral2/memory/4088-78-0x0000000000E10000-0x0000000001495000-memory.dmp	themida
behavioral2/memory/4088-77-0x0000000000E10000-0x0000000001495000-memory.dmp	themida
behavioral2/memory/4088-76-0x0000000000E10000-0x0000000001495000-memory.dmp	themida
behavioral2/memory/4088-79-0x0000000000E10000-0x0000000001495000-memory.dmp	themida
behavioral2/memory/4088-81-0x0000000000E10000-0x0000000001495000-memory.dmp	themida
behavioral2/memory/4088-82-0x0000000000E10000-0x0000000001495000-memory.dmp	themida
behavioral2/memory/4088-83-0x0000000000E10000-0x0000000001495000-memory.dmp	themida
behavioral2/memory/4088-80-0x0000000000E10000-0x0000000001495000-memory.dmp	themida
behavioral2/memory/4088-89-0x0000000000E10000-0x0000000001495000-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-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\0d7ac7becb.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000005001\\0d7ac7becb.exe"	explortu.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

0d7ac7becb.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 0d7ac7becb.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	0d7ac7becb.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs

Processes:

0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exeexplortu.exeexplortu.exe17077649b8.exeaxplont.exeaxplont.exeexplortu.exeaxplont.exeexplortu.exe

pid	process
2452	0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe
2364	explortu.exe
2096	explortu.exe
4628	17077649b8.exe
1396	axplont.exe
2624	axplont.exe
492	explortu.exe
3848	axplont.exe
1340	explortu.exe

Drops file in Windows directory 2 IoCs

Processes:

0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe17077649b8.exe

description	ioc	process
File created	C:\Windows\Tasks\explortu.job	0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe
File created	C:\Windows\Tasks\axplont.job	17077649b8.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:

0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exeexplortu.exeexplortu.exe17077649b8.exeaxplont.exeaxplont.exeexplortu.exeaxplont.exeexplortu.exe

pid	process
2452	0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe
2452	0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe
2364	explortu.exe
2364	explortu.exe
2096	explortu.exe
2096	explortu.exe
4628	17077649b8.exe
4628	17077649b8.exe
1396	axplont.exe
1396	axplont.exe
2624	axplont.exe
2624	axplont.exe
492	explortu.exe
492	explortu.exe
3848	axplont.exe
3848	axplont.exe
1340	explortu.exe
1340	explortu.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe

pid process

2452 0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exeexplortu.exe17077649b8.exe

description	pid	process	target process
PID 2452 wrote to memory of 2364	2452	0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe	explortu.exe
PID 2452 wrote to memory of 2364	2452	0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe	explortu.exe
PID 2452 wrote to memory of 2364	2452	0eb659a4d6ae1274cccbd2857f08c85951265764685c5dbd946729682896e162.exe	explortu.exe
PID 2364 wrote to memory of 1400	2364	explortu.exe	explortu.exe
PID 2364 wrote to memory of 1400	2364	explortu.exe	explortu.exe
PID 2364 wrote to memory of 1400	2364	explortu.exe	explortu.exe
PID 2364 wrote to memory of 4628	2364	explortu.exe	17077649b8.exe
PID 2364 wrote to memory of 4628	2364	explortu.exe	17077649b8.exe
PID 2364 wrote to memory of 4628	2364	explortu.exe	17077649b8.exe
PID 4628 wrote to memory of 1396	4628	17077649b8.exe	axplont.exe
PID 4628 wrote to memory of 1396	4628	17077649b8.exe	axplont.exe
PID 4628 wrote to memory of 1396	4628	17077649b8.exe	axplont.exe
PID 2364 wrote to memory of 4088	2364	explortu.exe	0d7ac7becb.exe
PID 2364 wrote to memory of 4088	2364	explortu.exe	0d7ac7becb.exe
PID 2364 wrote to memory of 4088	2364	explortu.exe	0d7ac7becb.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
- 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:2452

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
- 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:2364

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe
"C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe"
3⤵
PID:1400

C:\Users\Admin\1000004002\17077649b8.exe
"C:\Users\Admin\1000004002\17077649b8.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
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4628

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:1396

C:\Users\Admin\AppData\Local\Temp\1000005001\0d7ac7becb.exe
"C:\Users\Admin\AppData\Local\Temp\1000005001\0d7ac7becb.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:4088

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:2096

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:2624

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:492

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:3848

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:1340

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

3

Virtualization/Sandbox Evasion

2