Analysis

  • max time kernel
    149s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    16/09/2026, 06:35

General

  • Target
    915104024e77f2d75d73c6d4c6161277be7fcfc92dd286990fa3b8d4fbbef5fe.exe
  • Size 1.9MB
  • Sample260916-hca9cstyhw
  • SHA256 915104024e77f2d75d73c6d4c6161277be7fcfc92dd286990fa3b8d4fbbef5fe
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\915104024e77f2d75d73c6d4c6161277be7fcfc92dd286990fa3b8d4fbbef5fe.exe
    "C:\Users\Admin\AppData\Local\Temp\915104024e77f2d75d73c6d4c6161277be7fcfc92dd286990fa3b8d4fbbef5fe.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4880
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\hello.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\hello.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3976
      • C:\Windows\system32\cmd.exe
        cmd.exe /c start 报喜鸟-知行学堂人事专题班报名表模板.xlsx
        3⤵
        • Checks computer location settings
        • Executes a command shell one-liner
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:1244
        • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
          "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\报喜鸟-知行学堂人事专题班报名表模板.xlsx"
          4⤵
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious use of SetWindowsHookEx
          PID:2960
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\baoxiniao.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\baoxiniao.exe"
      2⤵
      • Executes dropped EXE
      PID:4092

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        baoxiniao.exe

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\baoxiniao.exe
        • Size 3.0MB
        • SHA256 38622ac802d2223e6a9e8ee7ab6578fd0dcd9fe31ff98746b0381e5729a13dd1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        hello.exe

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\hello.exe
        • Size 2.1MB
        • SHA256 1422871198481cbb378c380fe9bf79a818a2ce3c66fb5de3fc68c27755f44c41
        • MD5 SHA1 SHA512 SSDEEP TLSH

        报喜鸟-知行学堂人事专题班报名表模板.xlsx

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\报喜鸟-知行学堂人事专题班报名表模板.xlsx
        • Size 11KB
        • SHA256 e482d9fbcf6286b80042eab54bfdd8549acee04b94439d5b27ddd60141f4ca7a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        b8ab77100df80ab2.customDestinations-ms

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
        • Size 1KB
        • SHA256 90c6e8fc197f1267386ea4376101919ccfa95c28232393ca303ae9d58bb4979f
        • MD5 SHA1 SHA512 TLSH

        memory/2960-20-0x00007FFF3F590000-0x00007FFF3F5A0000-memory.dmp

        memory/2960-23-0x00007FFF3F590000-0x00007FFF3F5A0000-memory.dmp

        memory/2960-18-0x00007FFF3F590000-0x00007FFF3F5A0000-memory.dmp

        memory/2960-16-0x00007FFF3F590000-0x00007FFF3F5A0000-memory.dmp

        memory/2960-60-0x00007FFF3F590000-0x00007FFF3F5A0000-memory.dmp

        memory/2960-28-0x00007FFF3D340000-0x00007FFF3D350000-memory.dmp

        memory/2960-29-0x00007FFF3D340000-0x00007FFF3D350000-memory.dmp

        memory/2960-19-0x00007FFF3F590000-0x00007FFF3F5A0000-memory.dmp

        memory/2960-58-0x00007FFF3F590000-0x00007FFF3F5A0000-memory.dmp

        memory/2960-57-0x00007FFF3F590000-0x00007FFF3F5A0000-memory.dmp

        memory/2960-59-0x00007FFF3F590000-0x00007FFF3F5A0000-memory.dmp

        memory/4092-27-0x00007FF7689C0000-0x00007FF768CD3000-memory.dmp

        memory/4092-41-0x00007FF7689C0000-0x00007FF768CD3000-memory.dmp