Analysis

  • max time kernel
    6s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-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:672
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\setup.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3208
      • C:\Users\Admin\AppData\Local\Temp\setup.exe
        C:\Users\Admin\AppData\Local\Temp\setup.exe
        3⤵
        • Executes dropped EXE
        PID:1676

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/672-18-0x00007FFE29180000-0x00007FFE299A8000-memory.dmp

        memory/672-6-0x00007FFE48860000-0x00007FFE48862000-memory.dmp

        memory/672-3-0x00007FFE48F90000-0x00007FFE48F92000-memory.dmp

        memory/672-2-0x00007FFE48F80000-0x00007FFE48F82000-memory.dmp

        memory/672-8-0x00007FFE29180000-0x00007FFE299A8000-memory.dmp

        memory/672-7-0x00007FFE469B0000-0x00007FFE469B2000-memory.dmp

        memory/672-0-0x00007FFE291CA000-0x00007FFE29536000-memory.dmp

        memory/672-1-0x00007FFE48F70000-0x00007FFE48F72000-memory.dmp

        memory/672-9-0x00007FFE469C0000-0x00007FFE469C2000-memory.dmp

        memory/672-5-0x00007FFE48850000-0x00007FFE48852000-memory.dmp

        memory/672-4-0x00007FFE48FA0000-0x00007FFE48FA2000-memory.dmp

        memory/672-17-0x00007FFE291CA000-0x00007FFE29536000-memory.dmp

        memory/672-2-0x00007FFE48F80000-0x00007FFE48F82000-memory.dmp

        memory/672-5-0x00007FFE48850000-0x00007FFE48852000-memory.dmp

        memory/672-4-0x00007FFE48FA0000-0x00007FFE48FA2000-memory.dmp

        memory/672-3-0x00007FFE48F90000-0x00007FFE48F92000-memory.dmp

        memory/672-0-0x00007FFE291CA000-0x00007FFE29536000-memory.dmp

        memory/672-8-0x00007FFE29180000-0x00007FFE299A8000-memory.dmp

        memory/672-7-0x00007FFE469B0000-0x00007FFE469B2000-memory.dmp

        memory/672-6-0x00007FFE48860000-0x00007FFE48862000-memory.dmp

        memory/672-1-0x00007FFE48F70000-0x00007FFE48F72000-memory.dmp

        memory/672-9-0x00007FFE469C0000-0x00007FFE469C2000-memory.dmp

        memory/672-17-0x00007FFE291CA000-0x00007FFE29536000-memory.dmp

        memory/672-18-0x00007FFE29180000-0x00007FFE299A8000-memory.dmp