Overview

overview

7

Static

static

3

Bybass.exe

windows10-2004-x64

7

Bybass.exe

windows11-ltsc_2024-x64

7

Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/09/2026, 21:32

Sharing

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General

  • Target
    Bybass.exe
  • Size 6.1MB
  • Sample260904-1dletsal81
  • SHA256 8bdb5b05c9527d6525f2c9c78a2b6a2b1646361a19adbad5dd63cce4e50b2503
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 11 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bybass.exe
    "C:\Users\Admin\AppData\Local\Temp\Bybass.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4304
    • C:\Users\Admin\AppData\Local\Temp\Bybass.exe
      "C:\Users\Admin\AppData\Local\Temp\Bybass.exe"
      2⤵
      • Loads dropped DLL
      PID:4964

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        VCRUNTIME140.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\VCRUNTIME140.dll
        • Size 95KB
        • SHA256 9d2b40f0395cc5d1b4d5ea17b84970c29971d448c37104676db577586d4ad1b1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _bz2.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\_bz2.pyd
        • Size 81KB
        • SHA256 62173a8fadd4bf4dd71ab89ea718754aa31620244372f0c5bbbae102e641a60e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _ctypes.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\_ctypes.pyd
        • Size 120KB
        • SHA256 1ea3dd3df393fa9b27bf6595be4ac859064cd8ef9908a12378a6021bba1cb177
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _decimal.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\_decimal.pyd
        • Size 248KB
        • SHA256 9aac010a424c757c434c460c3c0a6515d7720966ab64bad667539282a17b4133
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _hashlib.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\_hashlib.pyd
        • Size 63KB
        • SHA256 caa4d2f8795e9a55e128409cc016e2cc5c694cb026d7058fc561e4dd131ed1c9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _lzma.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\_lzma.pyd
        • Size 154KB
        • SHA256 60793c8592193cfbd00fd3e5263be4315d650ba4f9e4fda9c45a10642fd998be
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _socket.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\_socket.pyd
        • Size 77KB
        • SHA256 e6deb751039cd5424a139708475ce83f9c042d43e650765a716cb4a924b07e4f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        _uuid.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\_uuid.pyd
        • Size 24KB
        • SHA256 990586f2a2ba00d48b59bdd03d3c223b8e9fb7d7fab6d414bac2833eb1241ca2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-console-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-console-l1-1-0.dll
        • Size 22KB
        • SHA256 56a3c8ec50eedef1f5024696ef928cb2a0f5d8b40c8a122cba412944dae81c46
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-datetime-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-datetime-l1-1-0.dll
        • Size 22KB
        • SHA256 e91b155e01b98aa4466b94da39e04c379f2fd392c154e7b6d80c05e0476f0552
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-debug-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-debug-l1-1-0.dll
        • Size 22KB
        • SHA256 2117e4953f5ec36adff21a416db5ff5f9ff27ea5f70b71b2e7d87897979b34e1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-errorhandling-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-errorhandling-l1-1-0.dll
        • Size 22KB
        • SHA256 ce83855b81333be8ca07a70700bff553dfb94869637dfe529bc8ef64094032be
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-fibers-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-fibers-l1-1-0.dll
        • Size 22KB
        • SHA256 5fae6d3fa0df3ac9a0171654062b6518b56bc586ab03d8a05e9cd4a112628934
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-file-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-file-l1-1-0.dll
        • Size 26KB
        • SHA256 be54476a0d4394d8ca6a5943b6425569403a1a7e939cf9b4948319b450022b45
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-file-l1-2-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-file-l1-2-0.dll
        • Size 22KB
        • SHA256 87cd5dac0ad2c7f6d64a51c58bc6fb9f2b207fe4966dcf47dd83728b0e439a75
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-file-l2-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-file-l2-1-0.dll
        • Size 20KB
        • SHA256 f957a4c261506484b53534a9be8931c02ec1a349b3f431a858f8215cecfec3f7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-handle-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-handle-l1-1-0.dll
        • Size 22KB
        • SHA256 5ae3a6e15f6a47f78b59f8a24334ffc88e8de05664c4c04d6243921ecba16325
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-heap-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-heap-l1-1-0.dll
        • Size 22KB
        • SHA256 5f8dca9ec0204453ad8e31b8f36226fef8342c36d3a07b15bcece301bc7f24cd
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-interlocked-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-interlocked-l1-1-0.dll
        • Size 22KB
        • SHA256 bdad0c627f722de797917a9ebbb02acc0669c44326f64ba5fc1f8d6c2d978128
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-libraryloader-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-libraryloader-l1-1-0.dll
        • Size 22KB
        • SHA256 b17a00e4640a1d5a91c1b1ddf0465ba04ffc2ac5404e37d02b56ba7d2fabbced
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-localization-l1-2-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-localization-l1-2-0.dll
        • Size 22KB
        • SHA256 4b5c4d32550d6ec0715c6cf651e9c1bbccb01bffa72e082a0ae04251800d43a1
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-memory-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-memory-l1-1-0.dll
        • Size 22KB
        • SHA256 47817a21044295a18907f13cd9f2705f9a21579f80fa6d3f7bf22e00607189fe
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-namedpipe-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-namedpipe-l1-1-0.dll
        • Size 22KB
        • SHA256 64896c2ca9b8da6c6c327602000f1f6d95e49e6f8df06929176a319cc2aa985e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-processenvironment-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-processenvironment-l1-1-0.dll
        • Size 22KB
        • SHA256 8df2ab621406d2905a330df3955db715965c2c097061345ad94dafab1b04ef00
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-processthreads-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-processthreads-l1-1-0.dll
        • Size 22KB
        • SHA256 a0299f1564ea8aeeff67226b6d2f9b9802aab877c9b89c82d50377ca2a12dba9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-processthreads-l1-1-1.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-processthreads-l1-1-1.dll
        • Size 22KB
        • SHA256 fe33f48a34243481782742168b24f344485527327534f7e05c60ba5420715387
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-profile-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-profile-l1-1-0.dll
        • Size 22KB
        • SHA256 2f506ccb47a0513d16b3dece9ed1a0459b796fdb96e40d8967dc84e7d4e36954
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-rtlsupport-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-rtlsupport-l1-1-0.dll
        • Size 22KB
        • SHA256 4335d1e4051cc16aee5745b1ae9027e1e710f41972faefc57c065f2166209853
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-string-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-string-l1-1-0.dll
        • Size 22KB
        • SHA256 4c8b4993badf3d843f57638b5f82e98769d3c7e0bd524d999ec2c720013a2fdf
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-synch-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-synch-l1-1-0.dll
        • Size 22KB
        • SHA256 a7e2c7177f10d6d35ed2cc79ce71eb979ba69a348f19237121ddac7d61103ebe
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-synch-l1-2-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-synch-l1-2-0.dll
        • Size 22KB
        • SHA256 6ff6a5b89c6ccc33a8f99fef4abb83b760c3d6e5be20d4805d95720f67b86876
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-sysinfo-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-sysinfo-l1-1-0.dll
        • Size 22KB
        • SHA256 881b7e57388edbf8a167bc7e7714286e9fed54b981479fa540c218aab049a81e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-timezone-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-timezone-l1-1-0.dll
        • Size 22KB
        • SHA256 c886fd30abe580e0bdb29b9e3cb50872159d1c62bcf03355b28850176f1258aa
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-core-util-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-core-util-l1-1-0.dll
        • Size 22KB
        • SHA256 26a32ca4e6a5f853a371f1fff7c4b7cd90288f4364921fbd4b11cbff697767a2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-crt-conio-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-crt-conio-l1-1-0.dll
        • Size 22KB
        • SHA256 988e14fa33743956ca182c1ef033c09427d60f2b0132803b8548e28ca0378b7c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-crt-convert-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-crt-convert-l1-1-0.dll
        • Size 26KB
        • SHA256 fa445d728c70db47340907cf12dff8893fd249b738594a1825248211b8ec0dca
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-crt-environment-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-crt-environment-l1-1-0.dll
        • Size 22KB
        • SHA256 e2e562ec0ab4be342962e7e885cba380c3143bcbf83fcaff9269f26b2b448e24
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-crt-filesystem-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-crt-filesystem-l1-1-0.dll
        • Size 22KB
        • SHA256 f4a1f0ad4fde3752cf7dc6f3058e4c502546aad9029c8bd78ae1ee4cbe37922a
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-crt-heap-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-crt-heap-l1-1-0.dll
        • Size 22KB
        • SHA256 998294783016c09345cb2dd0f18163fb9bf469edb4954b1408e99f673c60d9f7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-crt-locale-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-crt-locale-l1-1-0.dll
        • Size 22KB
        • SHA256 2376c1ef50f84a2b0e49e66c0e4c2b24e0c48a4d85450fc74ce77ff02f58fea5
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-crt-math-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-crt-math-l1-1-0.dll
        • Size 30KB
        • SHA256 9e1441afa2e6b3cb88c234fd43755fb2716d7266944239e93a8b3722f44ba792
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-crt-process-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-crt-process-l1-1-0.dll
        • Size 22KB
        • SHA256 df4a913f1708ccc03b9f41f69cf563a9c57bebaba18262fbc377584a2c2bbb9c
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-crt-runtime-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-crt-runtime-l1-1-0.dll
        • Size 26KB
        • SHA256 3e95f9a63c2c742c43138b731966d4cfa6c922bdcff3e2958fe24e4bdf6e5461
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-crt-stdio-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-crt-stdio-l1-1-0.dll
        • Size 26KB
        • SHA256 21a5efa2bdf4a89e06b7dad84aa990412e054bac9befd198c05dd6add93b8430
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-crt-string-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-crt-string-l1-1-0.dll
        • Size 26KB
        • SHA256 05a910f254a8eae65c0f032ec7740afacb8439f87a64d53f9b8ebd66304b3b68
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-crt-time-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-crt-time-l1-1-0.dll
        • Size 22KB
        • SHA256 4a90e5b2f3fb45b6a92581a39d3b62948a588a360d449554d8cae1a40b009114
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        api-ms-win-crt-utility-l1-1-0.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\api-ms-win-crt-utility-l1-1-0.dll
        • Size 22KB
        • SHA256 88ce66919d551efa7a0430f1188b558c41532c363258c1f07a05e2b67d603208
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        base_library.zip
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\base_library.zip
        • Size 859KB
        • SHA256 21a2aba35d9a123b6abfd7c0aaba5242ff3a1bcb2692da2a7c1ad2b146d024eb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libcrypto-1_1.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\libcrypto-1_1.dll
        • Size 3.3MB
        • SHA256 9b7b4a0ad212095a8c2e35c71694d8a1764cd72a829e8e17c8afe3a55f147939
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        libffi-7.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\libffi-7.dll
        • Size 32KB
        • SHA256 f60dd9f2fcbd495674dfc1555effb710eb081fc7d4cae5fa58c438ab50405081
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        python310.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\python310.dll
        • Size 4.3MB
        • SHA256 14b06796f288bc6599e458fb23a944ab0c843e9868058f02a91d4606533505ed
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        select.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\select.pyd
        • Size 29KB
        • SHA256 db85f2f94d4994283e1055057372594538ae11020389d966e45607413851d9e9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        ucrtbase.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\ucrtbase.dll
        • Size 1.1MB
        • SHA256 c04daeba7e7c4b711d33993ab4c51a2e087f98f4211aea0dcb3a216656ba0ab7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        unicodedata.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI43042\unicodedata.pyd
        • Size 1.1MB
        • SHA256 1fb2d66c056f69e8bbdd8c6c910e72697874dae680264f8fb4b4df19af98aa2e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download