Analysis

  • custom tags

    dropperpersistencepowershellproxyware
  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/08/2026, 08:50

General

  • Target
    d1614953c4c23b7346fd9a58e6072b7a5b059d74f5ab3895a9589a25436cb982.exe
  • Size 35KB
  • Sample260820-krksfstanh
  • SHA256 d1614953c4c23b7346fd9a58e6072b7a5b059d74f5ab3895a9589a25436cb982
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    http://127.0.0.1:4050

  • exe.dropper

    https://jpll.dev/registro.php

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    http://127.0.0.1:4050

Signatures

  • Family: mysteriumnodeproxyware
  • MysteriumNode proxyware installer PowerShell payload 1 IoCs

    Detects the extracted script that silently installs, persists, claims, and monetizes a Mysterium node.

  • Badlisted process makes network request 5 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Executes dropped EXE 2 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Looks up external IP address via web service 1 TTPs 6 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 1 IoCs
  • Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 4 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 4 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies data under HKEY_USERS 42 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 39 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d1614953c4c23b7346fd9a58e6072b7a5b059d74f5ab3895a9589a25436cb982.exe
    "C:\Users\Admin\AppData\Local\Temp\d1614953c4c23b7346fd9a58e6072b7a5b059d74f5ab3895a9589a25436cb982.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\installer.ps1"
      2⤵
      • Badlisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3728
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /c "icacls "C:\ProgramData\MysteriumNode" /grant "FRPTRMXS\Admin":(OI)(CI)M /T >nul 2>&1"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:2340
        • C:\Windows\system32\icacls.exe
          icacls "C:\ProgramData\MysteriumNode" /grant "FRPTRMXS\Admin":(OI)(CI)M /T
          4⤵
          • Modifies file permissions
          PID:1076
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd.exe" /c ping 127.0.0.1 -n 3 >nul & del /f /q "C:\Users\Admin\AppData\Local\Temp\d1614953c4c23b7346fd9a58e6072b7a5b059d74f5ab3895a9589a25436cb982.exe"
      2⤵
      • Executes a command shell one-liner
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:3572
      • C:\Windows\system32\PING.EXE
        ping 127.0.0.1 -n 3
        3⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:4632
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5212
    • C:\Windows\system32\wscript.exe
      "wscript.exe" "C:\ProgramData\MysteriumNode\run-node.vbs"
      1⤵
      • Executes a VBScript file via the Windows Script Host.
      • Suspicious use of WriteProcessMemory
      PID:3472
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\ProgramData\MysteriumNode\run-node.cmd" "
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:5088
        • C:\ProgramData\MysteriumNode\bin\myst.exe
          "C:\ProgramData\MysteriumNode\bin\myst.exe" --userspace --config-dir="C:\ProgramData\MysteriumNode\config" --data-dir="C:\ProgramData\MysteriumNode\data" --runtime-dir="C:\ProgramData\MysteriumNode\runtime" --log-dir="C:\ProgramData\MysteriumNode\data\logs" --node-ui-dir="C:\ProgramData\MysteriumNode\data\nodeui" --tequilapi.address=127.0.0.1 --tequilapi.port=4050 --ui.enable --ui.port=4449 --mmn.api-key=msphiIq5I20Aw7zJzQZjDqcDlJ4oUTUFcvQZeeQk --transactor.provider.try-free-registration=true service --agreed-terms-and-conditions --active-services=dvpn,data_transfer,scraping,monitoring,wireguard
          3⤵
          • Executes dropped EXE
          • System Network Configuration Discovery: Internet Connection Discovery
          • Suspicious use of WriteProcessMemory
          PID:120
          • C:\Windows\System32\Wbem\wmic.exe
            wmic os get Caption /value
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:6016
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\ProgramData\MysteriumNode\run-node.cmd" "
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:6112
        • C:\ProgramData\MysteriumNode\bin\myst.exe
          "C:\ProgramData\MysteriumNode\bin\myst.exe" --userspace --config-dir="C:\ProgramData\MysteriumNode\config" --data-dir="C:\ProgramData\MysteriumNode\data" --runtime-dir="C:\ProgramData\MysteriumNode\runtime" --log-dir="C:\ProgramData\MysteriumNode\data\logs" --node-ui-dir="C:\ProgramData\MysteriumNode\data\nodeui" --tequilapi.address=127.0.0.1 --tequilapi.port=4050 --ui.enable --ui.port=4449 --mmn.api-key=msphiIq5I20Aw7zJzQZjDqcDlJ4oUTUFcvQZeeQk --transactor.provider.try-free-registration=true service --agreed-terms-and-conditions --active-services=dvpn,data_transfer,scraping,monitoring,wireguard
          3⤵
          • Executes dropped EXE
          • System Network Configuration Discovery: Internet Connection Discovery
          • Suspicious use of WriteProcessMemory
          PID:1364
          • C:\Windows\System32\Wbem\wmic.exe
            wmic os get Caption /value
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:768
          • C:\Windows\System32\Wbem\wmic.exe
            wmic os get Caption /value
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:3268
          • C:\Windows\System32\Wbem\wmic.exe
            wmic os get Caption /value
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4424
          • C:\Windows\System32\Wbem\wmic.exe
            wmic os get Caption /value
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:5328
          • C:\Windows\System32\Wbem\wmic.exe
            wmic os get Caption /value
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:3008
          • C:\Windows\System32\Wbem\wmic.exe
            wmic os get Caption /value
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:2192
          • C:\Windows\System32\Wbem\wmic.exe
            wmic os get Caption /value
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:2112
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\ProgramData\MysteriumNode\ensure-registered.ps1"
      1⤵
      • Badlisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      PID:1204

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          version.txt

          • Path C:\ProgramData\MysteriumNode\bin\version.txt
          • Size 8B
          • SHA256 446e8f43fb79b1f1ae126ee7e1abca34c526b56e0489d8daa58d36344d0ed7e0
          • MD5 SHA1 SHA512

          check-status.ps1

          • Path C:\ProgramData\MysteriumNode\check-status.ps1
          • Size 1KB
          • SHA256 cd139e70ef156c325be9a245701625927e2d0eb8f91b18368af6092201db2d81
          • MD5 SHA1 SHA512 TLSH

          config-mainnet.toml

          • Path C:\ProgramData\MysteriumNode\config\config-mainnet.toml
          • Size 175B
          • SHA256 17abf17f3b750cbfd635a4b1256864bbed76bb5c9842e9e137a0598c5b09a11c
          • MD5 SHA1 SHA512 TLSH

          UTC--2026-08-20T08-50-45.717926100Z--5f6f44e4355b5ccbb1ae297dea89aa37487eb5cc

          • Path C:\ProgramData\MysteriumNode\data\keystore\UTC--2026-08-20T08-50-45.717926100Z--5f6f44e4355b5ccbb1ae297dea89aa37487eb5cc
          • Size 489B
          • SHA256 c4ebc0f0f0c0915e8bc824a4d6a583d3b5a95145bdcbc70207de818dc62628f9
          • MD5 SHA1 SHA512 TLSH

          remember.json

          • Path C:\ProgramData\MysteriumNode\data\keystore\remember.json
          • Size 69B
          • SHA256 b7d0d98cf18b865ed419da4c7e6bb972cabbf9771a7aa376c1517c8ca69c3ae5
          • MD5 SHA1 SHA512 TLSH

          install.log

          • Path C:\ProgramData\MysteriumNode\data\logs\install.log
          • Size 816B
          • SHA256 4ec79436e1b2ffd0fa6c0dd56636ba0428e7d4c765a2afc1b4dd9e38ac2d9950
          • MD5 SHA1 SHA512 TLSH

          mysterium-node.log

          • Path C:\ProgramData\MysteriumNode\data\logs\mysterium-node.log
          • Size 24KB
          • SHA256 427f95f0375ba66a7a02abc6c03509ddd01bf13f453b0e825a7c3d3fd8bec4ab
          • MD5 SHA1 SHA512 SSDEEP TLSH

          mysterium-node.log

          • Path C:\ProgramData\MysteriumNode\data\logs\mysterium-node.log
          • Size 5KB
          • SHA256 f9442b8350aed2242ed85601f3f8431488d98469d8718ef4cb3ba6812935d850
          • MD5 SHA1 SHA512 SSDEEP TLSH

          myst.db

          • Path C:\ProgramData\MysteriumNode\data\mainnet\db\myst.db
          • Size 64KB
          • SHA256 832f1553d0856a3e2afd1fcfd0d0fefe912e6c7122883d03efd391f5c5948009
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ensure-registered.ps1

          • Path C:\ProgramData\MysteriumNode\ensure-registered.ps1
          • Size 2KB
          • SHA256 c9f5f2a2485f9adb41fb0578d78a940197f569f40c113dceae4fa542ef349b41
          • MD5 SHA1 SHA512 TLSH

          run-node.cmd

          • Path C:\ProgramData\MysteriumNode\run-node.cmd
          • Size 605B
          • SHA256 5bc1cfb7cd157015e2664b0f71bc15e59948992463cccd9c963d851df1ef132e
          • MD5 SHA1 SHA512 TLSH

          run-node.vbs

          • Path C:\ProgramData\MysteriumNode\run-node.vbs
          • Size 135B
          • SHA256 0d8c85102f36c7fc5c49b9623bf656b9ccfb93245aed9c49120611d7f0d2c5f7
          • MD5 SHA1 SHA512 TLSH

          update-node.ps1

          • Path C:\ProgramData\MysteriumNode\update-node.ps1
          • Size 1KB
          • SHA256 b40eedcd4e3d82728b01116a61024f194e30498c62a9f5bd044932f6eb78970d
          • MD5 SHA1 SHA512 TLSH

          installer.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\installer.ps1
          • Size 30KB
          • SHA256 b5d4e1b09151fe252811fcf7939e19ea13a754d6e6bfc59daa272ff38ab34ce4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          myst_supervisor.exe

          • Path C:\Users\Admin\AppData\Local\Temp\myst_ex_1.39.5\myst_supervisor.exe
          • Size 7.7MB
          • SHA256 47f350e850aee148ba06e480ce8c3f79b949672b6a537fe6a77b14f74b6c8dae
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_zzqmpq2e.jvs.ps1

          • Path C:\Windows\SystemTemp\__PSScriptPolicyTest_zzqmpq2e.jvs.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          memory/120-123-0x0000000000630000-0x00000000058DF000-memory.dmp

          memory/120-105-0x0000000000630000-0x00000000058DF000-memory.dmp

          memory/1364-206-0x0000000000630000-0x00000000058DF000-memory.dmp

          memory/1364-256-0x0000000000630000-0x00000000058DF000-memory.dmp

          memory/1364-222-0x0000000000630000-0x00000000058DF000-memory.dmp

          memory/1364-234-0x0000000000630000-0x00000000058DF000-memory.dmp

          memory/1364-168-0x0000000000630000-0x00000000058DF000-memory.dmp

          memory/1364-245-0x0000000000630000-0x00000000058DF000-memory.dmp

          memory/1364-183-0x0000000000630000-0x00000000058DF000-memory.dmp

          memory/1364-195-0x0000000000630000-0x00000000058DF000-memory.dmp

          memory/1364-142-0x0000000000630000-0x00000000058DF000-memory.dmp

          memory/2484-39-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/2484-223-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/2484-0-0x0000000000F20000-0x0000000000F2E000-memory.dmp

          memory/2484-3-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/2484-1-0x00007FFE4D74F000-0x00007FFE4D750000-memory.dmp

          memory/3728-22-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/3728-28-0x000002AC73B50000-0x000002AC73B74000-memory.dmp

          memory/3728-62-0x000002AC73F70000-0x000002AC73F7E000-memory.dmp

          memory/3728-63-0x000002AC73FD0000-0x000002AC73FEA000-memory.dmp

          memory/3728-64-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/3728-65-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/3728-66-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/3728-72-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/3728-43-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/3728-42-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/3728-41-0x000002AC73F80000-0x000002AC73F8A000-memory.dmp

          memory/3728-40-0x000002AC73F90000-0x000002AC73FA2000-memory.dmp

          memory/3728-36-0x000002AC74820000-0x000002AC74D48000-memory.dmp

          memory/3728-35-0x000002AC74120000-0x000002AC742E2000-memory.dmp

          memory/3728-32-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/3728-88-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/3728-27-0x000002AC73B50000-0x000002AC73B7A000-memory.dmp

          memory/3728-44-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/3728-26-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/3728-25-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/3728-24-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/3728-23-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/3728-21-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/3728-20-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/3728-19-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/3728-17-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/3728-18-0x000002AC735E0000-0x000002AC735FE000-memory.dmp

          memory/3728-16-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/3728-15-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/3728-14-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/3728-221-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/3728-13-0x00007FFE4D5C0000-0x00007FFE4DF64000-memory.dmp

          memory/3728-12-0x000002AC735B0000-0x000002AC735BA000-memory.dmp

          memory/3728-10-0x000002AC73590000-0x000002AC735AE000-memory.dmp

          memory/3728-11-0x000002AC73810000-0x000002AC738C2000-memory.dmp

          memory/3728-6-0x000002AC734D0000-0x000002AC734F2000-memory.dmp