Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    09/10/2026, 15:01

General

  • Target
    New Samples.js
  • Size 53KB
  • Sample261009-sd4bmsytaw
  • SHA256 7b4fe6b40a5d1f440382458458c91087c1581d82d80a82550917ef4f88c8ec6a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Badlisted process makes network request 6 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • 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.

  • Kills process with taskkill 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\New Samples.js"
    1⤵
    • Reads the TCP/IP host and domain name from the registry
    PID:4720
  • C:\Windows\system32\cmd.exe
    cmd /c %SYSTEMROOT%\System32\WindowsPowerShell\v1.0\powershell.exe .(${env:ProgramFiles(x86)}[12,14,18]-join'') $env:SjrdiAkkz;
    1⤵
    • Process spawned unexpected child process
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:4732
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe .(${env:ProgramFiles(x86)}[12,14,18]-join'') $env:SjrdiAkkz;
      2⤵
      • Badlisted process makes network request
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2160
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\r0zv4tvu\r0zv4tvu.cmdline"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:204
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESE162.tmp" "c:\Users\Admin\AppData\Local\Temp\r0zv4tvu\CSC33C50002F5A44E51BD21EE249F9EEEE2.TMP"
          4⤵
            PID:2944
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Process cmd.exe -ArgumentList '/c taskkill /IM RegAsm.exe /F & taskkill /IM Vbc.exe /F & taskkill /IM MsBuild.exe /F' -WindowStyle Hidden -Wait
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4204
          • C:\Windows\system32\cmd.exe
            "C:\Windows\system32\cmd.exe" /c taskkill /IM RegAsm.exe /F & taskkill /IM Vbc.exe /F & taskkill /IM MsBuild.exe /F
            4⤵
            • Executes a command shell one-liner
            • Suspicious use of WriteProcessMemory
            PID:1968
            • C:\Windows\system32\taskkill.exe
              taskkill /IM RegAsm.exe /F
              5⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:4616
            • C:\Windows\system32\taskkill.exe
              taskkill /IM Vbc.exe /F
              5⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:680
            • C:\Windows\system32\taskkill.exe
              taskkill /IM MsBuild.exe /F
              5⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:5096
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Msbuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Msbuild.exe"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1300

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          powershell.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
          • Size 2KB
          • SHA256 b1f292b6199aa29c7fafbca007e5f9e3f68edcbbca1965bc828cc92dc0f18bb8
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 4734c2689908b68466a6d8251cd583c060a43f616d88b225ebd384c5c2a24a3a
          • MD5 SHA1 SHA512 TLSH

          RESE162.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\RESE162.tmp
          • Size 1KB
          • SHA256 2165a1e03865485527c90c79401bb156b3a73537a8313601271f0902d8206c11
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_2dg4xkrd.3an.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2dg4xkrd.3an.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          r0zv4tvu.dll

          • Path C:\Users\Admin\AppData\Local\Temp\r0zv4tvu\r0zv4tvu.dll
          • Size 3KB
          • SHA256 909bc1d0ebc4109336052104d0cfe19a643197fc99e4f20dee872198b277e8a4
          • MD5 SHA1 SHA512 TLSH

          CSC33C50002F5A44E51BD21EE249F9EEEE2.TMP

          • Path \??\c:\Users\Admin\AppData\Local\Temp\r0zv4tvu\CSC33C50002F5A44E51BD21EE249F9EEEE2.TMP
          • Size 652B
          • SHA256 a93c473f65f7139e17d7f848451200061ba036f11e91c8d69597b88d9b5c4953
          • MD5 SHA1 SHA512 TLSH

          r0zv4tvu.0.cs

          • Path \??\c:\Users\Admin\AppData\Local\Temp\r0zv4tvu\r0zv4tvu.0.cs
          • Size 216B
          • SHA256 9a6272e0393665959f3b8e2224390e3eeca83e69f07bb3fd389e42372fc8f5c1
          • MD5 SHA1 SHA512 TLSH

          r0zv4tvu.cmdline

          • Path \??\c:\Users\Admin\AppData\Local\Temp\r0zv4tvu\r0zv4tvu.cmdline
          • Size 369B
          • SHA256 79764b5e5475e980eade4c7b7e7af1ba2286557861169f7995234c3fc049fc7a
          • MD5 SHA1 SHA512 TLSH

          memory/1300-39-0x0000000000040000-0x000000000008C000-memory.dmp

          memory/2160-23-0x00000213ECF80000-0x00000213ECF88000-memory.dmp

          memory/2160-0-0x00000213ECF90000-0x00000213ECFA0000-memory.dmp

          memory/2160-24-0x00000213ECF90000-0x00000213ECFA0000-memory.dmp

          memory/2160-25-0x00000213EC970000-0x00000213EC984000-memory.dmp

          memory/2160-26-0x00000213EC980000-0x00000213EC988000-memory.dmp

          memory/2160-34-0x00000213EF3E0000-0x00000213EF52E000-memory.dmp

          memory/2160-35-0x00000213ECF90000-0x00000213ECFA0000-memory.dmp

          memory/2160-10-0x00000213ECF90000-0x00000213ECFA0000-memory.dmp

          memory/2160-4-0x00000213EF0B0000-0x00000213EF0D2000-memory.dmp

          memory/2160-44-0x00000213EF3E0000-0x00000213EF52E000-memory.dmp

          memory/2160-1-0x00000213ECF90000-0x00000213ECFA0000-memory.dmp

          memory/4204-38-0x000001EF54A50000-0x000001EF54B9E000-memory.dmp