Analysis

  • max time kernel
    509s
  • max time network
    519s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    06/06/2024, 07:56

General

  • Target
    FeatherBootsrapper.exe
  • Size 41.5MB
  • Sample240606-js4fhsbe9t
  • SHA256 ebb1467cbf6ed7d18143f4a0ac36cd10afb15145ca9b949f123b146b0670e624
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 28 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FeatherBootsrapper.exe
    "C:\Users\Admin\AppData\Local\Temp\FeatherBootsrapper.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2184
    • C:\Users\Admin\AppData\Local\Temp\FeatherBootsrapper.exe
      "C:\Users\Admin\AppData\Local\Temp\FeatherBootsrapper.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1012
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "(Get-WmiObject -Class Win32_ComputerSystemProduct).UUID"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1876

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        VCRUNTIME140.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\VCRUNTIME140.dll
        • Size 116KB
        • SHA256 4d292623516f65c80482081e62d5dadb759dc16e851de5db24c3cbb57b87db83
        • MD5 SHA1 SHA512 SSDEEP

        VCRUNTIME140_1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\VCRUNTIME140_1.dll
        • Size 48KB
        • SHA256 a113f192195f245f17389e6ecbed8005990bcb2476ddad33f7c4c6c86327afe5
        • MD5 SHA1 SHA512 SSDEEP

        _bz2.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\_bz2.pyd
        • Size 83KB
        • SHA256 f81dc49eac5ecc528e628175add2ff6bda695a93ea76671d7187155aa6326abb
        • MD5 SHA1 SHA512 SSDEEP

        _cffi_backend.cp312-win_amd64.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\_cffi_backend.cp312-win_amd64.pyd
        • Size 178KB
        • SHA256 d8a76d1e31bbd62a482dea9115fc1a109cb39af4cf6d1323409175f3c93113a7
        • MD5 SHA1 SHA512 SSDEEP

        _decimal.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\_decimal.pyd
        • Size 245KB
        • SHA256 e4104e47399d3f635a14d649f61250e9fd37f7e65c81ffe11f099923f8532577
        • MD5 SHA1 SHA512 SSDEEP

        _hashlib.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\_hashlib.pyd
        • Size 64KB
        • SHA256 79c4cde23397b9a35b54a3c2298b3c7a844454f4387cb0693f15e4facd227dd2
        • MD5 SHA1 SHA512 SSDEEP

        _lzma.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\_lzma.pyd
        • Size 156KB
        • SHA256 a6e2a5bb7a33ad9054f178786a031a46ea560faeef1fb96259331500aae9154c
        • MD5 SHA1 SHA512 SSDEEP

        _multiprocessing.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\_multiprocessing.pyd
        • Size 34KB
        • SHA256 467b0fef42d70b55abf41d817dff7631faeef84dce64f8aadb5690a22808d40c
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-console-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-console-l1-1-0.dll
        • Size 21KB
        • SHA256 b1b3fd40ab437a43c8db4994ccffc7f88000cc8bb6e34a2bcbff8e2464930c59
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-datetime-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-datetime-l1-1-0.dll
        • Size 21KB
        • SHA256 0d0f80cbf476af5b1c9fd3775e086ed0dfdb510cd0cc208ec1ccb04572396e3e
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-debug-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-debug-l1-1-0.dll
        • Size 21KB
        • SHA256 7cf0944901f7f7e0d0b9ad62753fc2fe380461b1cce8cdc7e9c9867c980e3b0e
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-errorhandling-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-errorhandling-l1-1-0.dll
        • Size 21KB
        • SHA256 ab25a1fe836fc68bcb199f1fe565c27d26af0c390a38da158e0d8815efe1103e
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-file-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-file-l1-1-0.dll
        • Size 25KB
        • SHA256 3d2c55902385381869db850b526261ddeb4628b83e690a32b67d2e0936b2c6ed
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-file-l1-2-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-file-l1-2-0.dll
        • Size 21KB
        • SHA256 ef13dce8f71173315dfc64ab839b033ab19a968ee15230e9d4d2c9d558efeee2
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-file-l2-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-file-l2-1-0.dll
        • Size 18KB
        • SHA256 1ea267a2e6284f17dd548c6f2285e19f7edb15d6e737a55391140ce5cb95225e
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-handle-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-handle-l1-1-0.dll
        • Size 21KB
        • SHA256 1a489e0606484bd71a0d9cb37a1dc6ca8437777b3d67bfc8c0075d0cc59e6238
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-heap-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-heap-l1-1-0.dll
        • Size 21KB
        • SHA256 332ba469ae84aa72ec8cce2b33781db1ab81a42ece5863f7a3cb5a990059594f
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-interlocked-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-interlocked-l1-1-0.dll
        • Size 21KB
        • SHA256 8751d30df554af08ef42d2faa0a71abcf8c7d17ce9e9ff2ea68a4662603ec500
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-libraryloader-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-libraryloader-l1-1-0.dll
        • Size 21KB
        • SHA256 9c8a08a7d40b6f697a21054770f1afa9ffb197f90ef1eee77c67751df28b7142
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-localization-l1-2-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-localization-l1-2-0.dll
        • Size 21KB
        • SHA256 4e975f618df01a492ae433dff0dd713774d47568e44c377ceef9e5b34aad1210
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-memory-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-memory-l1-1-0.dll
        • Size 21KB
        • SHA256 3f81a149ba3862776af307d5c7feef978f258196f0a1bf909da2d3f440ff954d
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-namedpipe-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-namedpipe-l1-1-0.dll
        • Size 21KB
        • SHA256 5476db3a4fecf532f96d48f9802c966fdef98ec8d89978a79540cb4db352c15f
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-processenvironment-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-processenvironment-l1-1-0.dll
        • Size 21KB
        • SHA256 0b6b598ec28a9e3d646f2bb37e1a57a3dda069a55fba86333727719585b1886e
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-processthreads-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-processthreads-l1-1-0.dll
        • Size 21KB
        • SHA256 be8d78978d81555554786e08ce474f6af1de96fcb7fa2f1ce4052bc80c6b2125
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-processthreads-l1-1-1.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-processthreads-l1-1-1.dll
        • Size 21KB
        • SHA256 57cc66bf0909c430364d35d92b64eb8b6a15dc201765403725fe323f39e8ac54
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-profile-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-profile-l1-1-0.dll
        • Size 21KB
        • SHA256 e1c5d8984a674925fa4afbfe58228be5323fe5123abcd17ec4160295875a625f
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-rtlsupport-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-rtlsupport-l1-1-0.dll
        • Size 21KB
        • SHA256 3c29730df2b28985a30d9c82092a1faa0ceb7ffc1bd857d1ef6324cf5524802f
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-string-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-string-l1-1-0.dll
        • Size 21KB
        • SHA256 27e9d3e7c8756e4512932d674a738bf4c2969f834d65b2b79c342a22f662f328
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-synch-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-synch-l1-1-0.dll
        • Size 21KB
        • SHA256 61c0ebe60ce6ebabcb927ddff837a9bf17e14cd4b4c762ab709e630576ec7232
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-synch-l1-2-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-synch-l1-2-0.dll
        • Size 21KB
        • SHA256 433bd8ddc4f79aee65ca94a54286d75e7d92b019853a883e51c2b938d2469baa
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-sysinfo-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-sysinfo-l1-1-0.dll
        • Size 21KB
        • SHA256 0dc92e8830bc84337dcae19ef03a84ef5279cf7d4fdc2442c1bc25320369f9df
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-timezone-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-timezone-l1-1-0.dll
        • Size 21KB
        • SHA256 f60e1751a6ac41f08e46480bf8e6521b41e2e427803996b32bdc5e78e9560781
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-core-util-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-core-util-l1-1-0.dll
        • Size 21KB
        • SHA256 2e1f090aba941b9d2d503e4cd735c958df7bb68f1e9bdc3f47692e1571aaac2f
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-conio-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-crt-conio-l1-1-0.dll
        • Size 21KB
        • SHA256 93619259328a264287aee7c5b88f7f0ee32425d7323ce5dc5a2ef4fe3bed90d5
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-convert-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-crt-convert-l1-1-0.dll
        • Size 25KB
        • SHA256 b987ab40cdd950ebe7a9a9176b80b8fffc005ccd370bb1cbbcad078c1a506bdc
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-environment-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-crt-environment-l1-1-0.dll
        • Size 21KB
        • SHA256 2f6bd6c235e044755d5707bd560a6afc0ba712437530f76d11079d67c0cf3200
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-filesystem-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-crt-filesystem-l1-1-0.dll
        • Size 21KB
        • SHA256 94a86e28e829276974e01f8a15787fde6ed699c8b9dc26f16a51765c86c3eade
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-heap-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-crt-heap-l1-1-0.dll
        • Size 21KB
        • SHA256 8dd9218998b4c4c9e8d8b0f8b9611d49419b3c80daa2f437cbf15bcfd4c0b3b8
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-locale-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-crt-locale-l1-1-0.dll
        • Size 21KB
        • SHA256 551a34c400522957063a2d71fa5aba1cd78cc4f61f0ace1cd42cc72118c500c0
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-math-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-crt-math-l1-1-0.dll
        • Size 29KB
        • SHA256 1c4a70a73096b64b536be8132ed402bcfb182c01b8a451bff452efe36ddf76e7
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-process-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-crt-process-l1-1-0.dll
        • Size 21KB
        • SHA256 bd943767f3e0568e19fb52522217c22b6627b66a3b71cd38dd6653b50662f39d
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-runtime-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-crt-runtime-l1-1-0.dll
        • Size 25KB
        • SHA256 962d725d089f140482ee9a8ff57f440a513387dd03fdc06b3a28562c8090c0bc
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-stdio-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-crt-stdio-l1-1-0.dll
        • Size 25KB
        • SHA256 273817a137ee049cbd8e51dc0bb1c7987df7e3bf4968940ee35376f87ef2ef8d
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-string-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-crt-string-l1-1-0.dll
        • Size 25KB
        • SHA256 415025dce5a086dbffc4cf322e8ead55cb45f6d946801f6f5193df044db2f004
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-time-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-crt-time-l1-1-0.dll
        • Size 21KB
        • SHA256 82fba9bc21f77309a649edc8e6fc1900f37e3ffcb45cd61e65e23840c505b945
        • MD5 SHA1 SHA512 SSDEEP

        api-ms-win-crt-utility-l1-1-0.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\api-ms-win-crt-utility-l1-1-0.dll
        • Size 21KB
        • SHA256 2e554d9bf872a64d2cd0f0eb9d5a06dea78548bc0c7a6f76e0a0c8c069f3c0a9
        • MD5 SHA1 SHA512 SSDEEP

        base_library.zip

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\base_library.zip
        • Size 1.3MB
        • SHA256 8584f0eb44456a275e3bc69626e3acad595546fd78de21a946b2eb7d6ba02288
        • MD5 SHA1 SHA512 SSDEEP

        libcrypto-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\libcrypto-3.dll
        • Size 5.0MB
        • SHA256 05fe080eab7fc535c51e10c1bd76a2f3e6217f9c91a25034774588881c3f99de
        • MD5 SHA1 SHA512 SSDEEP

        libffi-8.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\libffi-8.dll
        • Size 38KB
        • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
        • MD5 SHA1 SHA512 SSDEEP

        libssl-3.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\libssl-3.dll
        • Size 768KB
        • SHA256 2e9fbcd8f7fdc13a5179533239811456554f2b3aa2fb10e1b17be0df81c79006
        • MD5 SHA1 SHA512 SSDEEP

        pyexpat.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\pyexpat.pyd
        • Size 196KB
        • SHA256 4779e19ee0f4f0be953805efa1174e127f6e91ad023bd33ac7127fef35e9087b
        • MD5 SHA1 SHA512 SSDEEP

        python3.DLL

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\python3.DLL
        • Size 66KB
        • SHA256 d2e348e615a5d3b08b0bac29b91f79b32f0c1d0be48976450042462466b51123
        • MD5 SHA1 SHA512 SSDEEP

        python312.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\python312.dll
        • Size 6.6MB
        • SHA256 c98ba3354a7d1f69bdca42560feec933ccba93afcc707391049a065e1079cddb
        • MD5 SHA1 SHA512 SSDEEP

        select.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\select.pyd
        • Size 29KB
        • SHA256 680df34fb908c49410ac5f68a8c05d92858acd111e62d1194d15bdce520bd6c3
        • MD5 SHA1 SHA512 SSDEEP

        ucrtbase.dll

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\ucrtbase.dll
        • Size 992KB
        • SHA256 8a91052ef261b5fbf3223ae9ce789af73dfe1e9b0ba5bdbc4d564870a24f2bae
        • MD5 SHA1 SHA512 SSDEEP

        unicodedata.pyd

        • Path C:\Users\Admin\AppData\Local\Temp\_MEI21842\unicodedata.pyd
        • Size 1.1MB
        • SHA256 10ffd5207eeff5a836b330b237d766365d746c30e01abf0fd01f78548d1f1b04
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_lppq1fdl.i12.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lppq1fdl.i12.ps1
        • Size 1B
        • SHA256 6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
        • MD5 SHA1 SHA512

        _ctypes.pyd

        • Path \Users\Admin\AppData\Local\Temp\_MEI21842\_ctypes.pyd
        • Size 122KB
        • SHA256 be9828a877e412b48d75addc4553d2d2a60ae762a3551f9731b50cae7d65b570
        • MD5 SHA1 SHA512 SSDEEP

        memory/1012-257-0x00007FFF892F0000-0x00007FFF89553000-memory.dmp

        memory/1876-287-0x00007FFF78FA0000-0x00007FFF7998C000-memory.dmp

        memory/1876-269-0x00007FFF78FA0000-0x00007FFF7998C000-memory.dmp

        memory/1876-268-0x00000237A7170000-0x00000237A71E6000-memory.dmp

        memory/1876-267-0x00007FFF78FA0000-0x00007FFF7998C000-memory.dmp

        memory/1876-263-0x000002378E020000-0x000002378E042000-memory.dmp

        memory/1876-260-0x00007FFF78FA3000-0x00007FFF78FA4000-memory.dmp