554498d567510eb22da861a223f8a38edfe7891d0ea4f0ccc8f89a0a0aeea194

Windows Service

Disable or Modify Tools

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "0"	powershell.exe

Modifies Windows Defender notification settings 3 TTPs 3 IoCs

defense_evasion trojan

Windows Service

Modify Registry

Disable or Modify Tools

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

UAC bypass 3 TTPs 1 IoCs

defense_evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	powershell.exe

Executes dropped EXE 2 IoCs

pid	Process
7100	UnRAR.exe
5692	Yjzlxkdoi.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Drops file in Program Files directory 12 IoCs

description	ioc	Process
File created	C:\Program Files\WindowsOptions\UnRAR.exe	2026-06-25_1d8727e0972b62fc38f2c30099c61747_cryptbot_icedid_luca-stealer_njrat_stealc.exe
File opened for modification	C:\Program Files\WindowsOptions\UnRAR.exe	2026-06-25_1d8727e0972b62fc38f2c30099c61747_cryptbot_icedid_luca-stealer_njrat_stealc.exe
File created	C:\Program Files\WindowsOptions\Yjzlxkdoi.exe	UnRAR.exe
File created	C:\Program Files\WindowsOptions\install.vbs	2026-06-25_1d8727e0972b62fc38f2c30099c61747_cryptbot_icedid_luca-stealer_njrat_stealc.exe
File created	C:\Program Files\WindowsOptions\run.ps1	2026-06-25_1d8727e0972b62fc38f2c30099c61747_cryptbot_icedid_luca-stealer_njrat_stealc.exe
File created	C:\Program Files\WindowsOptions\sfx.rar	2026-06-25_1d8727e0972b62fc38f2c30099c61747_cryptbot_icedid_luca-stealer_njrat_stealc.exe
File opened for modification	C:\Program Files\WindowsOptions\sfx.rar	2026-06-25_1d8727e0972b62fc38f2c30099c61747_cryptbot_icedid_luca-stealer_njrat_stealc.exe
File opened for modification	C:\Program Files\WindowsOptions\Yjzlxkdoi.exe	UnRAR.exe
File opened for modification	C:\Program Files\WindowsOptions	2026-06-25_1d8727e0972b62fc38f2c30099c61747_cryptbot_icedid_luca-stealer_njrat_stealc.exe
File created	C:\Program Files\WindowsOptions\__tmp_rar_sfx_access_check_240707765	2026-06-25_1d8727e0972b62fc38f2c30099c61747_cryptbot_icedid_luca-stealer_njrat_stealc.exe
File opened for modification	C:\Program Files\WindowsOptions\install.vbs	2026-06-25_1d8727e0972b62fc38f2c30099c61747_cryptbot_icedid_luca-stealer_njrat_stealc.exe
File opened for modification	C:\Program Files\WindowsOptions\run.ps1	2026-06-25_1d8727e0972b62fc38f2c30099c61747_cryptbot_icedid_luca-stealer_njrat_stealc.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
6500	powershell.exe
2696	powershell.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 5 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	Yjzlxkdoi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3764	timeout.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4274393721-1801116158-3678143273-1000_Classes\Local Settings	2026-06-25_1d8727e0972b62fc38f2c30099c61747_cryptbot_icedid_luca-stealer_njrat_stealc.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
5692	Yjzlxkdoi.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
6500	powershell.exe
6500	powershell.exe
6500	powershell.exe
6500	powershell.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe
5692	Yjzlxkdoi.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	6500	powershell.exe
Token: SeIncreaseQuotaPrivilege	6500	powershell.exe
Token: SeSecurityPrivilege	6500	powershell.exe
Token: SeTakeOwnershipPrivilege	6500	powershell.exe
Token: SeLoadDriverPrivilege	6500	powershell.exe
Token: SeSystemProfilePrivilege	6500	powershell.exe
Token: SeSystemtimePrivilege	6500	powershell.exe
Token: SeProfSingleProcessPrivilege	6500	powershell.exe
Token: SeIncBasePriorityPrivilege	6500	powershell.exe
Token: SeCreatePagefilePrivilege	6500	powershell.exe
Token: SeBackupPrivilege	6500	powershell.exe
Token: SeRestorePrivilege	6500	powershell.exe
Token: SeShutdownPrivilege	6500	powershell.exe
Token: SeDebugPrivilege	6500	powershell.exe
Token: SeSystemEnvironmentPrivilege	6500	powershell.exe
Token: SeRemoteShutdownPrivilege	6500	powershell.exe
Token: SeUndockPrivilege	6500	powershell.exe
Token: SeManageVolumePrivilege	6500	powershell.exe
Token: 33	6500	powershell.exe
Token: 34	6500	powershell.exe
Token: 35	6500	powershell.exe
Token: 36	6500	powershell.exe
Token: SeIncreaseQuotaPrivilege	6500	powershell.exe
Token: SeSecurityPrivilege	6500	powershell.exe
Token: SeTakeOwnershipPrivilege	6500	powershell.exe
Token: SeLoadDriverPrivilege	6500	powershell.exe
Token: SeSystemProfilePrivilege	6500	powershell.exe
Token: SeSystemtimePrivilege	6500	powershell.exe
Token: SeProfSingleProcessPrivilege	6500	powershell.exe
Token: SeIncBasePriorityPrivilege	6500	powershell.exe
Token: SeCreatePagefilePrivilege	6500	powershell.exe
Token: SeBackupPrivilege	6500	powershell.exe
Token: SeRestorePrivilege	6500	powershell.exe
Token: SeShutdownPrivilege	6500	powershell.exe
Token: SeDebugPrivilege	6500	powershell.exe
Token: SeSystemEnvironmentPrivilege	6500	powershell.exe
Token: SeRemoteShutdownPrivilege	6500	powershell.exe
Token: SeUndockPrivilege	6500	powershell.exe
Token: SeManageVolumePrivilege	6500	powershell.exe
Token: 33	6500	powershell.exe
Token: 34	6500	powershell.exe
Token: 35	6500	powershell.exe
Token: 36	6500	powershell.exe
Token: SeIncreaseQuotaPrivilege	6500	powershell.exe
Token: SeSecurityPrivilege	6500	powershell.exe
Token: SeTakeOwnershipPrivilege	6500	powershell.exe
Token: SeLoadDriverPrivilege	6500	powershell.exe
Token: SeSystemProfilePrivilege	6500	powershell.exe
Token: SeSystemtimePrivilege	6500	powershell.exe
Token: SeProfSingleProcessPrivilege	6500	powershell.exe
Token: SeIncBasePriorityPrivilege	6500	powershell.exe
Token: SeCreatePagefilePrivilege	6500	powershell.exe
Token: SeBackupPrivilege	6500	powershell.exe
Token: SeRestorePrivilege	6500	powershell.exe
Token: SeShutdownPrivilege	6500	powershell.exe
Token: SeDebugPrivilege	6500	powershell.exe
Token: SeSystemEnvironmentPrivilege	6500	powershell.exe
Token: SeRemoteShutdownPrivilege	6500	powershell.exe
Token: SeUndockPrivilege	6500	powershell.exe
Token: SeManageVolumePrivilege	6500	powershell.exe
Token: 33	6500	powershell.exe
Token: 34	6500	powershell.exe
Token: 35	6500	powershell.exe
Token: 36	6500	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5692	Yjzlxkdoi.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 6084 wrote to memory of 2388	6084	2026-06-25_1d8727e0972b62fc38f2c30099c61747_cryptbot_icedid_luca-stealer_njrat_stealc.exe	90
PID 2388 wrote to memory of 6500	2388	WScript.exe	91
PID 6500 wrote to memory of 5696	6500	powershell.exe	93
PID 6500 wrote to memory of 7100	6500	powershell.exe	95
PID 6500 wrote to memory of 5692	6500	powershell.exe	97
PID 5692 wrote to memory of 2696	5692	Yjzlxkdoi.exe	99
PID 5692 wrote to memory of 940	5692	Yjzlxkdoi.exe	101
PID 940 wrote to memory of 2876	940	cmd.exe	103
PID 940 wrote to memory of 3764	940	cmd.exe	104

C:\Users\Admin\AppData\Local\Temp\2026-06-25_1d8727e0972b62fc38f2c30099c61747_cryptbot_icedid_luca-stealer_njrat_stealc.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-25_1d8727e0972b62fc38f2c30099c61747_cryptbot_icedid_luca-stealer_njrat_stealc.exe"
1⤵
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:6084
- C:\Windows\System32\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Program Files\WindowsOptions\install.vbs"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2388
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -File "run.ps1"
    3⤵
    - Modifies Windows Defender DisableAntiSpyware settings
    - Modifies Windows Defender notification settings
    - UAC bypass
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:6500
  - - C:\Windows\system32\CiTool.exe
      "C:\Windows\system32\CiTool.exe" -r
      4⤵
      PID:5696
  - - C:\Program Files\WindowsOptions\UnRAR.exe
      "C:\Program Files\WindowsOptions\UnRAR.exe" x -y -pByeFriend! "C:\Program Files\WindowsOptions\sfx.rar" "C:\Program Files\WindowsOptions\"
      4⤵
      Executes dropped EXE
      Drops file in Program Files directory
      PID:7100
  - - C:\Program Files\WindowsOptions\Yjzlxkdoi.exe
      "C:\Program Files\WindowsOptions\Yjzlxkdoi.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: AddClipboardFormatListener
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:5692
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -Command "Unregister-ScheduledTask -TaskName "Yjzlxkdoi" -Force"
        5⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        
        PID:2696
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\oRgRQclwoodq.bat" "
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:940
      - C:\Windows\SysWOW64\chcp.com
        
        chcp 65001
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:2876
      - C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 5
        6⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:3764

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Create or Modify System Process

T1543

Windows Service

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Create or Modify System Process

T1543

Windows Service

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry