Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/10/2026, 14:12

General

  • Target
    2026-10-11_a4ada3c1c1c5e6375037f3c55f97c736_cryptbot_icedid_luca-stealer_njrat_remcos_stealc.exe
  • Size 2.6MB
  • Sample261012-rhzzcaft5p
  • SHA256 e270660d595e4ab738210d1b99e4f30ede1068a801600ea0758e09d2664ff509
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

C2
  • us.loclx.io:49051

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    DlpUserAgent.exe

Signatures

  • Family: Defendnot

    Defendnot is a tool designed to disable Microsoft Defender.

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 2 IoCs
  • Detects Defendnot 1 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 2 IoCs
  • UPX dump on OEP (original entry point) 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 5 IoCs

    Run Powershell and hide display window.

  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 1 IoCs
  • Enumerates video capture drivers 2 TTPs 1 IoCs

    Queries the legacy Video for Windows capture drivers. This is commonly abused by RATs to check for available webcams on the system before reporting to their C2.

  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-11_a4ada3c1c1c5e6375037f3c55f97c736_cryptbot_icedid_luca-stealer_njrat_remcos_stealc.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-11_a4ada3c1c1c5e6375037f3c55f97c736_cryptbot_icedid_luca-stealer_njrat_remcos_stealc.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4840
    • C:\Users\Admin\AppData\Roaming\1.exe
      "C:\Users\Admin\AppData\Roaming\1.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4068
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\CF90.tmp\CF91.tmp\CF92.bat C:\Users\Admin\AppData\Roaming\1.exe"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:6076
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -WindowStyle Hidden -Command "Start-Process 'defendnot-loader.exe' -ArgumentList '-n microsoft360-enable','--silent','--autorun-as-user' -NoNewWindow"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2960
          • C:\Users\Admin\AppData\Roaming\defendnot-loader.exe
            "defendnot-loader.exe" -n microsoft360-enable --silent --autorun-as-user
            5⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:5716
            • C:\Windows\SYSTEM32\Taskmgr.exe
              Taskmgr.exe
              6⤵
              • Loads dropped DLL
              PID:6088
    • C:\Users\Admin\AppData\Roaming\MpDlpCmd.exe
      "C:\Users\Admin\AppData\Roaming\MpDlpCmd.exe"
      2⤵
      • Creates a file in the Startup directory
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates video capture drivers
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3548
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\MpDlpCmd.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3228
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'MpDlpCmd.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2444
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\DlpUserAgent.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2272
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'DlpUserAgent.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        PID:1512
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "DlpUserAgent" /tr "C:\Users\Admin\DlpUserAgent.exe"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2436
  • C:\Users\Admin\AppData\Roaming\defendnot-loader.exe
    C:\Users\Admin\AppData\Roaming\defendnot-loader.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4896
    • C:\Windows\SYSTEM32\Taskmgr.exe
      Taskmgr.exe
      2⤵
      • Loads dropped DLL
      PID:3400
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c pause
      2⤵
      • Executes a command shell one-liner
      PID:5920
  • C:\Program Files\Windows Defender\MpCmdRun.exe
    "C:\Program Files\Windows Defender\MpCmdRun.exe" -wdenable
    1⤵
    • Drops file in Windows directory
    PID:4724
  • C:\Users\Admin\DlpUserAgent.exe
    C:\Users\Admin\DlpUserAgent.exe
    1⤵
    • Executes dropped EXE
    PID:5608
  • C:\Users\Admin\DlpUserAgent.exe
    "C:\Users\Admin\DlpUserAgent.exe"
    1⤵
    • Executes dropped EXE
    PID:5436
  • C:\Users\Admin\DlpUserAgent.exe
    "C:\Users\Admin\DlpUserAgent.exe"
    1⤵
    • Executes dropped EXE
    PID:1464

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 1fbbe4ab8c3a66b2eff094e291b076d86bc9e5775e5be4d4912700bdd9233edb
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 b9742837d237cde952d60beb5e9fa577cae80b6d431ef9f62d2fd08e15342180
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 9e2e11b45a68ab3614fb2b5ae84f9bec9e5638950f0446e20d5c2f7c7880c2dd
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 ae7a554d6193cdb2739224bda995f35d4b0ad205ac609bfeeb64f6b6a5b5784e
        • MD5 SHA1 SHA512 TLSH

        CF92.bat

        • Path C:\Users\Admin\AppData\Local\Temp\CF90.tmp\CF91.tmp\CF92.bat
        • Size 189B
        • SHA256 e87588321343d49f9472ee53ca7567bc08cb52c7e81852f5f492fcdc29834c67
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_xztbj2os.uqk.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xztbj2os.uqk.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        1.exe

        • Path C:\Users\Admin\AppData\Roaming\1.exe
        • Size 53KB
        • SHA256 47dd63e3adb77fd4561b34595bd71506d06e6aba7b5f177f6668a5a6b45c262e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MpDlpCmd.exe

        • Path C:\Users\Admin\AppData\Roaming\MpDlpCmd.exe
        • Size 251KB
        • SHA256 b60fa7733181b9b955f19e88e1db8e7acf90c62fd51091b57893a64efd62699a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ctx.bin

        • Path C:\Users\Admin\AppData\Roaming\ctx.bin
        • Size 131B
        • SHA256 8ddf2555e4d12e11f10ed348995573cd42bb3895af248d176f0c8c4db8491219
        • MD5 SHA1 SHA512

        ctx.bin

        • Path C:\Users\Admin\AppData\Roaming\ctx.bin
        • Size 131B
        • SHA256 5d7f018ddd2e052e2816d42ab6e1f204fd5103954102d574c6128b32fc8d56ef
        • MD5 SHA1 SHA512

        defendnot-loader.exe

        • Path C:\Users\Admin\AppData\Roaming\defendnot-loader.exe
        • Size 581KB
        • SHA256 4776620d4a617ce96d83a3a2ae0999a9dc6ee79bd9dcefe296cd877a62aa2224
        • MD5 SHA1 SHA512 SSDEEP TLSH

        defendnot.dll

        • Path C:\Users\Admin\AppData\Roaming\defendnot.dll
        • Size 427KB
        • SHA256 45e942ba59f3876b263a03ed7e5d5b1b250e84a0a4b4093b3c13b5fca4e12b21
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2960-49-0x00000197BCB10000-0x00000197BCB18000-memory.dmp

        memory/2960-46-0x00000197BCFF0000-0x00000197BD00E000-memory.dmp

        memory/2960-50-0x00000197BD010000-0x00000197BD016000-memory.dmp

        memory/2960-51-0x00000197BD3C0000-0x00000197BD3CA000-memory.dmp

        memory/2960-48-0x00000197BD3E0000-0x00000197BD3FC000-memory.dmp

        memory/2960-47-0x00000197BCB00000-0x00000197BCB0A000-memory.dmp

        memory/2960-44-0x00000197BCE30000-0x00000197BCEE2000-memory.dmp

        memory/2960-30-0x00000197A4A00000-0x00000197A4A22000-memory.dmp

        memory/2960-43-0x00000197BCAD0000-0x00000197BCAEE000-memory.dmp

        memory/2960-45-0x00000197BCAF0000-0x00000197BCAFA000-memory.dmp

        memory/3228-74-0x00000207B0F80000-0x00000207B1032000-memory.dmp

        memory/3548-28-0x0000000000FA0000-0x0000000000FE4000-memory.dmp

        memory/4068-60-0x0000000140000000-0x0000000140027000-memory.dmp

        memory/4068-23-0x0000000140000000-0x0000000140027000-memory.dmp