Analysis

  • max time kernel
    6s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    27/05/2026, 09:19

General

  • Target
    【薪資調整通知】/【薪資調整通知】.exe
  • Size 356KB
  • Sample260527-labnwsb17w
  • SHA256 8aaba749e9444b3b49ccc8d248415240a305dbd28c37e3f0314d9c9ac33626e5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\【薪資調整通知】\【薪資調整通知】.exe
    "C:\Users\Admin\AppData\Local\Temp\【薪資調整通知】\【薪資調整通知】.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4924
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\setup.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5296
      • C:\Users\Admin\AppData\Local\Temp\setup.exe
        C:\Users\Admin\AppData\Local\Temp\setup.exe
        3⤵
        • Executes dropped EXE
        PID:1084

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        setup.exe

        • Path C:\Users\Admin\AppData\Local\Temp\setup.exe
        • Size 1.2MB
        • SHA256 a43edcf75532d55b523040a23455450dfcf68ea8324612b77c05e5c9aba3d23f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4924-18-0x00007FFA74630000-0x00007FFA74E58000-memory.dmp

        memory/4924-7-0x00007FFA8F460000-0x00007FFA8F462000-memory.dmp

        memory/4924-4-0x00007FFA910C0000-0x00007FFA910C2000-memory.dmp

        memory/4924-3-0x00007FFA910B0000-0x00007FFA910B2000-memory.dmp

        memory/4924-1-0x00007FFA91090000-0x00007FFA91092000-memory.dmp

        memory/4924-6-0x00007FFA74630000-0x00007FFA74E58000-memory.dmp

        memory/4924-0-0x00007FFA7467A000-0x00007FFA749E6000-memory.dmp

        memory/4924-9-0x00007FFA8E9C0000-0x00007FFA8E9C2000-memory.dmp

        memory/4924-8-0x00007FFA8E9B0000-0x00007FFA8E9B2000-memory.dmp

        memory/4924-2-0x00007FFA910A0000-0x00007FFA910A2000-memory.dmp

        memory/4924-5-0x00007FFA8F450000-0x00007FFA8F452000-memory.dmp

        memory/4924-17-0x00007FFA7467A000-0x00007FFA749E6000-memory.dmp

        memory/4924-3-0x00007FFA910B0000-0x00007FFA910B2000-memory.dmp

        memory/4924-2-0x00007FFA910A0000-0x00007FFA910A2000-memory.dmp

        memory/4924-5-0x00007FFA8F450000-0x00007FFA8F452000-memory.dmp

        memory/4924-4-0x00007FFA910C0000-0x00007FFA910C2000-memory.dmp

        memory/4924-0-0x00007FFA7467A000-0x00007FFA749E6000-memory.dmp

        memory/4924-1-0x00007FFA91090000-0x00007FFA91092000-memory.dmp

        memory/4924-6-0x00007FFA74630000-0x00007FFA74E58000-memory.dmp

        memory/4924-7-0x00007FFA8F460000-0x00007FFA8F462000-memory.dmp

        memory/4924-9-0x00007FFA8E9C0000-0x00007FFA8E9C2000-memory.dmp

        memory/4924-8-0x00007FFA8E9B0000-0x00007FFA8E9B2000-memory.dmp

        memory/4924-17-0x00007FFA7467A000-0x00007FFA749E6000-memory.dmp

        memory/4924-18-0x00007FFA74630000-0x00007FFA74E58000-memory.dmp