514537ab41632352ddf75c061baabc0858a61a61903fc3e1b084c7333c823bed

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Clip1.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	WindowsPaint-Ver2.0.5.9.exe

Executes dropped EXE 1 IoCs

pid	Process
1156	WindowsPaint-Ver2.0.5.9.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	Clip1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Clip1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	WindowsPaint-Ver2.0.5.9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	WindowsPaint-Ver2.0.5.9.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	Clip1.exe

Modifies file permissions 1 TTPs 3 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
896	icacls.exe
1148	icacls.exe
5084	icacls.exe

Themida packer 8 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/3340-132-0x00007FF6803A0000-0x00007FF680A00000-memory.dmp	themida
behavioral2/memory/3340-133-0x00007FF6803A0000-0x00007FF680A00000-memory.dmp	themida
behavioral2/memory/3340-135-0x00007FF6803A0000-0x00007FF680A00000-memory.dmp	themida
behavioral2/files/0x0004000000022dc1-139.dat	themida
behavioral2/memory/3340-140-0x00007FF6803A0000-0x00007FF680A00000-memory.dmp	themida
behavioral2/files/0x0004000000022dc1-141.dat	themida
behavioral2/memory/1156-142-0x00007FF7DD810000-0x00007FF7DDE70000-memory.dmp	themida
behavioral2/memory/1156-143-0x00007FF7DD810000-0x00007FF7DDE70000-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	Clip1.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	WindowsPaint-Ver2.0.5.9.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
4892	schtasks.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3340 wrote to memory of 4892	3340	Clip1.exe	80
PID 3340 wrote to memory of 4892	3340	Clip1.exe	80
PID 3340 wrote to memory of 896	3340	Clip1.exe	86
PID 3340 wrote to memory of 896	3340	Clip1.exe	86
PID 3340 wrote to memory of 1148	3340	Clip1.exe	88
PID 3340 wrote to memory of 1148	3340	Clip1.exe	88
PID 3340 wrote to memory of 5084	3340	Clip1.exe	90
PID 3340 wrote to memory of 5084	3340	Clip1.exe	90

C:\Users\Admin\AppData\Local\Temp\Clip1.exe
"C:\Users\Admin\AppData\Local\Temp\Clip1.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 WriteProcessMemory
PID:3340
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /CREATE /TN "Windows\IntelComputingTooIklt\IntelPaint2.0.5.9." /TR "C:\ProgramData\MsiBoost\WindowsPaint-Ver2.0.5.9.exe" /SC MINUTE
  2⤵
  - Creates scheduled task(s)
  PID:4892
- C:\Windows\System32\icacls.exe
  "C:\Windows\System32\icacls.exe" "C:\ProgramData\MsiBoost" /inheritance:e /deny "*S-1-1-0:(R,REA,RA,RD)"
  2⤵
  - Modifies file permissions
  PID:896
- C:\Windows\System32\icacls.exe
  "C:\Windows\System32\icacls.exe" "C:\ProgramData\MsiBoost" /inheritance:e /deny "*S-1-5-7:(R,REA,RA,RD)"
  2⤵
  - Modifies file permissions
  PID:1148
- C:\Windows\System32\icacls.exe
  "C:\Windows\System32\icacls.exe" "C:\ProgramData\MsiBoost" /inheritance:e /deny "admin:(R,REA,RA,RD)"
  2⤵
  - Modifies file permissions
  PID:5084

C:\ProgramData\MsiBoost\WindowsPaint-Ver2.0.5.9.exe
C:\ProgramData\MsiBoost\WindowsPaint-Ver2.0.5.9.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
PID:1156

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

3

System Information Discovery

4

Virtualization/Sandbox Evasion