Overview

overview

10

Static

static

3

AstroAssist.exe

windows11-21h2-x64

10

HidHide_1....64.exe

windows11-21h2-x64

6

ViGEmBus_1...64.exe

windows11-21h2-x64

6

Analysis

  • max time kernel
    149s
  • max time network
    157s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    20/06/2026, 08:53

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General

  • Target
    AstroAssist.exe
  • Size 128.2MB
  • Sample260620-ktflhsd14j
  • SHA256 95255e44a975315bf8b332623179e3468c363c238320763785b12b09538539f5
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
blankgrabberstealer

Malware Config

Signatures

  • Family: blankgrabber

    Blankgrabber is an infostealer written in Python and packaged with Pyinstaller.

    stealerblankgrabber
  • A stealer written in Python and packaged with Pyinstaller 1 IoCs
  • Loads dropped DLL 58 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AstroAssist.exe
    "C:\Users\Admin\AppData\Local\Temp\AstroAssist.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2468
    • C:\Users\Admin\AppData\Local\Temp\AstroAssist.exe
      C:\Users\Admin\AppData\Local\Temp\AstroAssist.exe
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      PID:1800

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        _ctypes.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\_ctypes.pyd
        • Size 122KB
        • SHA256 8978972cf341ccd0edf8435d63909a739df7ef29ec7dd57ed5cab64b342891f0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _queue.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\_queue.pyd
        • Size 31KB
        • SHA256 76bba42b1392dc57a867aef385b990fa302a4f1dcf453705ac119c9c98a36e8d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libffi-8.dll
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        SDL2.dll
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\SDL2.dll
        • Size 2.4MB
        • SHA256 520d0459b91efa32fbccf9027a9ca1fc5aae657e679ce8e90f179f9cf5afd279
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        SDL2_image.dll
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\SDL2_image.dll
        • Size 122KB
        • SHA256 1e364af75fee0c83506fbdfd4d5b0e386c4e9c6a33ddbddac61ddb131e360194
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        base.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\base.pyd
        • Size 30KB
        • SHA256 59fd2c87c8261f8de69fb70f881b41a13e522119503ae18fc068d607b4754bfe
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        bufferproxy.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\bufferproxy.pyd
        • Size 18KB
        • SHA256 7b1de4a711ac3b8c870a70d1b5db3a3684efd5ab258c4e1c42e715bd6e0a500c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        color.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\color.pyd
        • Size 35KB
        • SHA256 f1532048d8d89e0aff5a79f0dd96edaf7e75665c0292032c2b69a90374b4582a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        constants.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\constants.pyd
        • Size 49KB
        • SHA256 99ef70bf473e1241a433f33dc7ec89dff64c831999de68612f2e642fd4a1d5dd
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        display.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\display.pyd
        • Size 44KB
        • SHA256 6ce7e1f477c4aa614b1231b1a2ce345662bb36ed590157d48e219219f7459970
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        draw.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\draw.pyd
        • Size 49KB
        • SHA256 18e7ec3c61c272318b08adb7c5466c334abf6f75becc5824f5ab8fdc5f6e9a31
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        event.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\event.pyd
        • Size 43KB
        • SHA256 b9a3dabaa705c50d3d78505195eb609e7883c01ec080db2f21e7251025b3309c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        image.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\image.pyd
        • Size 29KB
        • SHA256 a6100714b22ceb504bc5a303f86ac28ceb1ac47796175f101e23e869eba4480c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        imageext.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\imageext.pyd
        • Size 17KB
        • SHA256 7ff15e58ae5f0de963508bf002d99363b7e9594a09beabdd99f5d9fb1edce0e3
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        joystick.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\joystick.pyd
        • Size 20KB
        • SHA256 cf5c43e5dbe986dfadf17e9fa6583ba0932540f31d359024abfc69bcc2cb6f8c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        key.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\key.pyd
        • Size 20KB
        • SHA256 ce4815ce82bef66100d83b3244a5a0db2ec62a342d80b03e3e560d6aa5d7c583
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libpng16-16.dll
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\libpng16-16.dll
        • Size 206KB
        • SHA256 e688b4a4d18f4b6ccc99c6ca4980f51218cb825610775192d9b60b2f05eff2d5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        mask.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\mask.pyd
        • Size 54KB
        • SHA256 c506e7421bcc10b9d0b45ce44152c8fec242d310fd9fd9aff94d001e3893fa90
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        math.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\math.pyd
        • Size 75KB
        • SHA256 515e2cf7344b6daedd464f567ca99978a47da14719b7f5a092c69a252b16c5f3
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        mouse.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\mouse.pyd
        • Size 19KB
        • SHA256 d0609d148cfc8337ed87ac92fba3e226efaea2405cdf488b9cdea540d3f05881
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        pixelarray.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\pixelarray.pyd
        • Size 47KB
        • SHA256 99ac7eab08cb2ff078ea515ca51ba8c86819d47b8820d41cb65d645f0fafddc0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        pixelcopy.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\pixelcopy.pyd
        • Size 26KB
        • SHA256 d430b7bab200bba63a8b4f74081cf409c9fb42dc3e4f2097cc77988b7f9fbb82
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        rect.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\rect.pyd
        • Size 44KB
        • SHA256 38d709cb73a98dd54d666689212bfdddc2a68fcc4541c3b59a741815e4688b7c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        rwobject.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\rwobject.pyd
        • Size 19KB
        • SHA256 b658da9b9b207f73325b9e9b84029258e64e324b8935671ce79b49f28a26b87e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        surface.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\surface.pyd
        • Size 234KB
        • SHA256 bc64469279ac571f08173b2a09da78f1c0af3276e531fdf12ec3f9e9eca8fdde
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        surflock.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\surflock.pyd
        • Size 13KB
        • SHA256 6c0c944037dc7a23e4ca6683d58085752453faf3be1e776a0ebd33f3d0fda8d5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        time.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\time.pyd
        • Size 18KB
        • SHA256 20025c990cc49ca1d58b84d0e3b9b84932a2ce98ae192d0415b7061369837d91
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        transform.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\transform.pyd
        • Size 57KB
        • SHA256 e746b718c52de41492139a5152c842b0bfd8faaca4b992e8df562aa3c4ca97fd
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        zlib1.dll
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\pygame\zlib1.dll
        • Size 106KB
        • SHA256 b1f58a17f3bfd55523e7bef685acf5b32d1c2a6f25abdcd442681266fd26ab08
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python312.dll
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\python312.dll
        • Size 6.6MB
        • SHA256 8ad53c67c2b4db4387d5f72ee2a3ca80c40af444b22bf41a6cfda2225a27bb93
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        vcruntime140.dll
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\vcruntime140.dll
        • Size 116KB
        • SHA256 4d292623516f65c80482081e62d5dadb759dc16e851de5db24c3cbb57b87db83
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ViGEmClient.dll
        • Path C:\Users\Admin\AppData\Local\Temp\onefile_2468_905605_LBuAoIcwuAI\vgamepad\win\vigem\client\x64\ViGEmClient.dll
        • Size 127KB
        • SHA256 2bf0cb1d809039573c922737d298a1653d4dbc61408060ff45a9bcfde82e97d2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1800-1183-0x00007FF79F840000-0x00007FF7A0840000-memory.dmp
        Download

        memory/1800-1190-0x00007FFE6ABD0000-0x00007FFE6AC21000-memory.dmp
        Download

        memory/1800-1189-0x00007FFE57280000-0x00007FFE57402000-memory.dmp
        Download

        memory/1800-1188-0x0000000062E80000-0x0000000062EA4000-memory.dmp
        Download

        memory/1800-1187-0x0000000068B40000-0x0000000068B7C000-memory.dmp
        Download

        memory/1800-1186-0x000000006A880000-0x000000006A8A7000-memory.dmp
        Download

        memory/1800-1185-0x00007FFE6B8F0000-0x00007FFE6BB5C000-memory.dmp
        Download

        memory/1800-1184-0x00007FFE57AC0000-0x00007FFE5BDAF000-memory.dmp
        Download