Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    27/05/2026, 09:12

General

  • Target
    JPSL82.vbs
  • Size 141B
  • Sample260527-k6ak2ab13w
  • SHA256 81a5042fdb3885e4c108bc2a511bc078fa6073f47c72ffe5258ebac85ccdaee8
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Badlisted process makes network request 4 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Looks up external IP address via web service 4 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 34 IoCs
  • Modifies registry class 21 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 27 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.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\JPSL82.vbs"
    1⤵
    • Badlisted process makes network request
    • Deletes itself
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2380
      • C:\Windows\system32\rundll32.exe
        C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:0000000000000000
        3⤵
        • Modifies registry class
        PID:3960
    • C:\Users\Admin\AppData\Roaming\HWiN\czhouvpw.exe
      "C:\Users\Admin\AppData\Roaming\HWiN\czhouvpw.exe" "C:\Users\Admin\AppData\Roaming\HWiN\czhouvpw"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1344
      • C:\Windows\SysWOW64\attrib.exe
        "C:\Windows\System32\attrib.exe"
        3⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Views/modifies file attributes
        PID:3984
  • C:\Users\Admin\AppData\Roaming\HWiN\czhouvpw.exe
    "C:\Users\Admin\AppData\Roaming\HWiN\czhouvpw.exe" "C:\Users\Admin\AppData\Roaming\HWiN\czhouvpw"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4064
    • C:\Windows\SysWOW64\attrib.exe
      "C:\Windows\System32\attrib.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Views/modifies file attributes
      PID:2972

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        ~tmp4711.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\~tmp4711.tmp
        • Size 1.7MB
        • SHA256 522c435e2074c7812ff0b800d2ed01c87dd4a667bc386f77a4083a1ea25b5cbb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        83f48ab6ce4c6198

        • Path C:\Users\Admin\AppData\Roaming\HWiN\83f48ab6ce4c6198
        • Size 4.6MB
        • SHA256 b8ad7d7397c6610656beb058b54bb7676b54c180365c9bb5a53eb685b8db68fb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WebView2Loader.dll

        • Path C:\Users\Admin\AppData\Roaming\HWiN\WebView2Loader.dll
        • Size 113KB
        • SHA256 cd2f07e47e98e52472bd744912edc9e9e645b544f5e612e2f38f89b7acb1e064
        • MD5 SHA1 SHA512 SSDEEP TLSH

        czhouvpw

        • Path C:\Users\Admin\AppData\Roaming\HWiN\czhouvpw
        • Size 1.2MB
        • SHA256 48dadb964aa7799cba0a3c4b59f646347b8a995bba979038497b3c682b3207f3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        czhouvpw.exe

        • Path C:\Users\Admin\AppData\Roaming\HWiN\czhouvpw.exe
        • Size 957KB
        • SHA256 bdd2b7236a110b04c288380ad56e8d7909411da93eed2921301206de0cb0dda1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1344-38-0x0000000074F50000-0x0000000075114000-memory.dmp

        memory/2972-59-0x0000000000690000-0x0000000000695000-memory.dmp

        memory/2972-60-0x0000000000B30000-0x0000000000FCC000-memory.dmp

        memory/2972-65-0x0000000000B30000-0x0000000000FCC000-memory.dmp

        memory/2972-64-0x0000000000B30000-0x0000000000FCC000-memory.dmp

        memory/2972-63-0x0000000000B30000-0x0000000000FCC000-memory.dmp

        memory/3984-74-0x0000000000400000-0x000000000089C000-memory.dmp

        memory/3984-71-0x0000000000400000-0x000000000089C000-memory.dmp

        memory/3984-58-0x0000000000400000-0x000000000089C000-memory.dmp

        memory/3984-80-0x0000000000400000-0x000000000089C000-memory.dmp

        memory/3984-55-0x0000000000400000-0x000000000089C000-memory.dmp

        memory/3984-54-0x0000000000400000-0x000000000089C000-memory.dmp

        memory/3984-40-0x0000000001230000-0x0000000001235000-memory.dmp

        memory/3984-79-0x0000000000400000-0x000000000089C000-memory.dmp

        memory/3984-70-0x0000000000400000-0x000000000089C000-memory.dmp

        memory/3984-78-0x0000000000400000-0x000000000089C000-memory.dmp

        memory/3984-73-0x0000000000400000-0x000000000089C000-memory.dmp

        memory/3984-41-0x0000000000400000-0x000000000089C000-memory.dmp

        memory/3984-75-0x0000000000400000-0x000000000089C000-memory.dmp

        memory/3984-76-0x0000000000400000-0x000000000089C000-memory.dmp

        memory/3984-77-0x0000000000400000-0x000000000089C000-memory.dmp

        memory/4064-57-0x0000000073EA0000-0x0000000074064000-memory.dmp

        memory/4064-45-0x0000000073EA0000-0x0000000074064000-memory.dmp

        memory/4064-39-0x0000000073EA0000-0x0000000074064000-memory.dmp