Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/07/2026, 01:48

General

  • Target
    2026-07-29_9066149eab5d511d3b95f8c0226ffe38_cryptbot_icedid_luca-stealer_njrat_stealc.exe
  • Size 1.7MB
  • Sample260730-b8femaac29
  • SHA256 5d99f57472e509d039207dab3cf56a31649b28bff8edc765d34c0323091f8d97
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs
  • Modifies Windows Defender notification settings 3 TTPs 3 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-29_9066149eab5d511d3b95f8c0226ffe38_cryptbot_icedid_luca-stealer_njrat_stealc.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-29_9066149eab5d511d3b95f8c0226ffe38_cryptbot_icedid_luca-stealer_njrat_stealc.exe"
    1⤵
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3436
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Program Files\WindowsOptions\install.vbs"
      2⤵
      • Executes a VBScript file via the Windows Script Host.
      • Suspicious use of WriteProcessMemory
      PID:1496
      • 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:4736
        • C:\Windows\system32\CiTool.exe
          "C:\Windows\system32\CiTool.exe" -r
          4⤵
            PID:2016
          • 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:5652
          • C:\Program Files\WindowsOptions\Yjzlxkdoi.exe
            "C:\Program Files\WindowsOptions\Yjzlxkdoi.exe"
            4⤵
            • Executes dropped EXE
            PID:1228

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          UnRAR.exe

          • Path C:\Program Files\WindowsOptions\UnRAR.exe
          • Size 547KB
          • SHA256 e785a0c0dcf79385f0483c1eb2242e3937d0447f6b21dd158906e92757b46542
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Yjzlxkdoi.exe

          • Path C:\Program Files\WindowsOptions\Yjzlxkdoi.exe
          • Size 1.7MB
          • SHA256 2e9afce82e3854e33607933aafa3cb7da813580f7a2a0c05adf242e5c9a7db19
          • MD5 SHA1 SHA512 SSDEEP TLSH

          install.vbs

          • Path C:\Program Files\WindowsOptions\install.vbs
          • Size 98B
          • SHA256 a0110f07fe8d70b8c7f8d6d973f54a2cae6c8fbf09e7ae6b780f5598af903474
          • MD5 SHA1 SHA512 TLSH

          run.ps1

          • Path C:\Program Files\WindowsOptions\run.ps1
          • Size 23KB
          • SHA256 4220408adec9f0ff9dd034efa7e71ffd0d6cdf229a147981de240d90f65bdf87
          • MD5 SHA1 SHA512 SSDEEP TLSH

          sfx.rar

          • Path C:\Program Files\WindowsOptions\sfx.rar
          • Size 432KB
          • SHA256 f2612f637b19eb34703232abcae1689e5b0d13a29d00ea43125b0a8f3c0f1c50
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_unysriee.3bc.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_unysriee.3bc.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          memory/1496-15-0x000001FCF4A60000-0x000001FCF4ADC000-memory.dmp

          memory/3436-13-0x0000018EFCE50000-0x0000018EFCECC000-memory.dmp

          memory/4736-16-0x000001DC4F170000-0x000001DC4F192000-memory.dmp

          memory/4736-31-0x000001DC4F460000-0x000001DC4F46A000-memory.dmp

          memory/4736-29-0x000001DC4F470000-0x000001DC4F48E000-memory.dmp

          memory/4736-53-0x000001DC4FC00000-0x000001DC4FC1E000-memory.dmp

          memory/4736-30-0x000001DC4F490000-0x000001DC4F542000-memory.dmp