13664348e49c044bb4e93a342dbdc3ac8570ab9516e1389a4b38ed3f7f082fd6

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4573a27f516b5afd4bc180ae623d3e84.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	WlndowsDraiver-Ver9.4.0.0.exe

Executes dropped EXE 1 IoCs

pid	Process
3780	WlndowsDraiver-Ver9.4.0.0.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	WlndowsDraiver-Ver9.4.0.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	WlndowsDraiver-Ver9.4.0.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4573a27f516b5afd4bc180ae623d3e84.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4573a27f516b5afd4bc180ae623d3e84.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	4573a27f516b5afd4bc180ae623d3e84.exe

Modifies file permissions 1 TTPs 3 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
5028	icacls.exe
3392	icacls.exe
4788	icacls.exe

Themida packer 10 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/1948-132-0x00007FF6C1FD0000-0x00007FF6C25C1000-memory.dmp	themida
behavioral2/memory/1948-133-0x00007FF6C1FD0000-0x00007FF6C25C1000-memory.dmp	themida
behavioral2/memory/1948-134-0x00007FF6C1FD0000-0x00007FF6C25C1000-memory.dmp	themida
behavioral2/memory/1948-136-0x00007FF6C1FD0000-0x00007FF6C25C1000-memory.dmp	themida
behavioral2/files/0x0006000000022e56-141.dat	themida
behavioral2/memory/1948-142-0x00007FF6C1FD0000-0x00007FF6C25C1000-memory.dmp	themida
behavioral2/files/0x0006000000022e56-144.dat	themida
behavioral2/memory/3780-146-0x00007FF771590000-0x00007FF771B81000-memory.dmp	themida
behavioral2/memory/3780-147-0x00007FF771590000-0x00007FF771B81000-memory.dmp	themida
behavioral2/memory/3780-149-0x00007FF771590000-0x00007FF771B81000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	4573a27f516b5afd4bc180ae623d3e84.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	WlndowsDraiver-Ver9.4.0.0.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1948	4573a27f516b5afd4bc180ae623d3e84.exe
3780	WlndowsDraiver-Ver9.4.0.0.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

pid	Process
2180	schtasks.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 2180	1948	4573a27f516b5afd4bc180ae623d3e84.exe	80
PID 1948 wrote to memory of 2180	1948	4573a27f516b5afd4bc180ae623d3e84.exe	80
PID 1948 wrote to memory of 5028	1948	4573a27f516b5afd4bc180ae623d3e84.exe	82
PID 1948 wrote to memory of 5028	1948	4573a27f516b5afd4bc180ae623d3e84.exe	82
PID 1948 wrote to memory of 3392	1948	4573a27f516b5afd4bc180ae623d3e84.exe	84
PID 1948 wrote to memory of 3392	1948	4573a27f516b5afd4bc180ae623d3e84.exe	84
PID 1948 wrote to memory of 4788	1948	4573a27f516b5afd4bc180ae623d3e84.exe	86
PID 1948 wrote to memory of 4788	1948	4573a27f516b5afd4bc180ae623d3e84.exe	86

C:\Users\Admin\AppData\Local\Temp\4573a27f516b5afd4bc180ae623d3e84.exe
"C:\Users\Admin\AppData\Local\Temp\4573a27f516b5afd4bc180ae623d3e84.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /CREATE /TN "Wlndows\InteIComputingTooIklt\IntelPalnt9.4.0.0." /TR "C:\ProgramData\MslProjector\WlndowsDraiver-Ver9.4.0.0.exe" /SC MINUTE
  2⤵
  - Creates scheduled task(s)
  PID:2180
- C:\Windows\System32\icacls.exe
  "C:\Windows\System32\icacls.exe" "C:\ProgramData\MslProjector" /inheritance:e /deny "*S-1-1-0:(R,REA,RA,RD)"
  2⤵
  - Modifies file permissions
  PID:5028
- C:\Windows\System32\icacls.exe
  "C:\Windows\System32\icacls.exe" "C:\ProgramData\MslProjector" /inheritance:e /deny "*S-1-5-7:(R,REA,RA,RD)"
  2⤵
  - Modifies file permissions
  PID:3392
- C:\Windows\System32\icacls.exe
  "C:\Windows\System32\icacls.exe" "C:\ProgramData\MslProjector" /inheritance:e /deny "admin:(R,REA,RA,RD)"
  2⤵
  - Modifies file permissions
  PID:4788

C:\ProgramData\MslProjector\WlndowsDraiver-Ver9.4.0.0.exe
C:\ProgramData\MslProjector\WlndowsDraiver-Ver9.4.0.0.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:3780

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

Persistence

Scheduled Task

Privilege Escalation

Scheduled Task

Defense Evasion

File and Directory Permissions Modification

T1222

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

System Information Discovery