Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    19/04/2026, 09:36

General

  • Target
    8440f629990e38a6a823ae74af3b7960528e0a03e62ed9b6284bad9050c377d8.exe
  • Size 573KB
  • Sample260419-lld86act5z
  • SHA256 8440f629990e38a6a823ae74af3b7960528e0a03e62ed9b6284bad9050c377d8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8440f629990e38a6a823ae74af3b7960528e0a03e62ed9b6284bad9050c377d8.exe
    "C:\Users\Admin\AppData\Local\Temp\8440f629990e38a6a823ae74af3b7960528e0a03e62ed9b6284bad9050c377d8.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3932
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aFB09.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4824
      • C:\Users\Admin\AppData\Local\Temp\8440f629990e38a6a823ae74af3b7960528e0a03e62ed9b6284bad9050c377d8.exe
        "C:\Users\Admin\AppData\Local\Temp\8440f629990e38a6a823ae74af3b7960528e0a03e62ed9b6284bad9050c377d8.exe"
        3⤵
        • Executes dropped EXE
        PID:3840
    • C:\Windows\Logo1_.exe
      C:\Windows\Logo1_.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:804
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4320
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2656

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        MicrosoftEdgeUpdateBroker.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.143.57\MicrosoftEdgeUpdateBroker.exe
        • Size 128KB
        • SHA256 c411b64af8b79406d503bf21582b2c6de8d43fc8499ff2c0b2e87c4f4c42227b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ClearInstall.exe

        • Path C:\Program Files\ClearInstall.exe
        • Size 289KB
        • SHA256 f0c97d4b30cbe70c725d63ceeead4bbb75e4d5dc9cac0d595ebc5620bbdda672
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcredist_x86.exe

        • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
        • Size 484KB
        • SHA256 86a8075fd0611b8c18eb5cae71e121c7e18a4f132975a3685b8ea2695d173524
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$aFB09.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$aFB09.bat
        • Size 722B
        • SHA256 6069b9d072fcf868a258b0b79dcc97269b7859fe8a77798838f35a23bffa7b7e
        • MD5 SHA1 SHA512 TLSH

        8440f629990e38a6a823ae74af3b7960528e0a03e62ed9b6284bad9050c377d8.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\8440f629990e38a6a823ae74af3b7960528e0a03e62ed9b6284bad9050c377d8.exe.exe
        • Size 544KB
        • SHA256 8cebb25e240db3b6986fcaed6bc0b900fa09dad763a56fb71273529266c5c525
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 29KB
        • SHA256 965b3c17e89a156e05f1f0156bba7c08019bd8f17a10ed8a1929637d398cb114
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-3119821332-640943685-2562343641-1000\_desktop.ini
        • Size 9B
        • SHA256 d69b4dd6bcf240546c9346e3a5b155ba851969e32a14653797847dca95c2d058
        • MD5 SHA1 SHA512

        memory/804-26-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/804-32-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/804-36-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/804-19-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/804-677-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/804-1224-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/804-5005-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/804-9-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/804-5508-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/3932-0-0x0000000000400000-0x0000000000436000-memory.dmp

        memory/3932-10-0x0000000000400000-0x0000000000436000-memory.dmp