Analysis

  • max time kernel
    137s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/05/2024, 16:20

General

  • Target
    file01.vbs
  • Size 255B
  • Sample240525-ts67hsac8t
  • SHA256 c8433f6da3e5358d991d7d57cefcfd69905e2bbd8eab4ddc23d229355dabd1b6
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 64 IoCs
  • Manipulates Digital Signatures 1 IoCs

    Attackers can apply techniques such as modifying certain DLL exports to make their binary seem valid.

  • Possible privilege escalation attempt 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 64 IoCs
  • Modifies file permissions 1 TTPs 2 IoCs
  • Checks system information in the registry 2 TTPs 2 IoCs

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

  • Drops file in System32 directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\file01.vbs"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2992
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c takeown /f C:\Windows\System32 /r /d y && icacls C:\Windows\System32 /grant administrators:F /t && rmdir /s /q C:\Windows\System32
      2⤵
      • Drops file in Drivers directory
      • Manipulates Digital Signatures
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:5356
      • C:\Windows\system32\takeown.exe
        takeown /f C:\Windows\System32 /r /d y
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:2708
      • C:\Windows\system32\icacls.exe
        icacls C:\Windows\System32 /grant administrators:F /t
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:1960
  • C:\Windows\system32\backgroundTaskHost.exe
    "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Loads dropped DLL
    • Checks system information in the registry
    • Modifies registry class
    PID:992
  • C:\Windows\System32\mousocoreworker.exe
    C:\Windows\System32\mousocoreworker.exe -Embedding
    1⤵
    • Executes dropped EXE
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    PID:4568
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k wusvcs -p -s WaaSMedicSvc
    1⤵
    • Executes dropped EXE
    PID:5508

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        BCP47Langs.dll

        • Path C:\Windows\System32\BCP47Langs.dll
        • Size 357KB
        • SHA256 cbd179179f1d6e4c34c25abca5999cf5c2b468ba267b5c32663451991452afce
        • MD5 SHA1 SHA512 SSDEEP

        CoreMessaging.dll

        • Path C:\Windows\System32\CoreMessaging.dll
        • Size 963KB
        • SHA256 c01c15c82a8568ba99bf193fbc4893d990102b0cbaafe04f4f02b9fe44ae6c76
        • MD5 SHA1 SHA512 SSDEEP

        CoreUIComponents.dll

        • Path C:\Windows\System32\CoreUIComponents.dll
        • Size 3.4MB
        • SHA256 27f6f85cce6be7a0127deca777e11f3adb4813b5182c287efdbdd74c0952a339
        • MD5 SHA1 SHA512 SSDEEP

        FWPUCLNT.DLL

        • Path C:\Windows\System32\FWPUCLNT.DLL
        • Size 488KB
        • SHA256 aaf5b3a2618636ad22724a37a56d325ef2b4c873e046dcb24cbfda8a34b15ad4
        • MD5 SHA1 SHA512 SSDEEP

        KernelBase.dll

        • Path C:\Windows\System32\KernelBase.dll
        • Size 2.8MB
        • SHA256 79eadbc61d0762e6931ee5e49007898596ece6bc2a61c080ada7a2c70992d6e6
        • MD5 SHA1 SHA512 SSDEEP

        MrmCoreR.dll

        • Path C:\Windows\System32\MrmCoreR.dll
        • Size 976KB
        • SHA256 50822375d13f39dfbb3528025d9faa98f22836f97d11f6e0e7b447ef9e4534df
        • MD5 SHA1 SHA512 SSDEEP

        OnDemandConnRouteHelper.dll

        • Path C:\Windows\System32\OnDemandConnRouteHelper.dll
        • Size 72KB
        • SHA256 c897c345c3bcf3e96589a0feeea8b6d26cf33c091ac3ee2162dd27f8a79c3ff5
        • MD5 SHA1 SHA512 SSDEEP

        OneCoreUAPCommonProxyStub.dll

        • Path C:\Windows\System32\OneCoreUAPCommonProxyStub.dll
        • Size 7.6MB
        • SHA256 503ef212dbb78c886aacd2ea956004bf213061761d0174e3711a626f9d774471
        • MD5 SHA1 SHA512 SSDEEP

        SHCore.dll

        • Path C:\Windows\System32\SHCore.dll
        • Size 686KB
        • SHA256 79e0e627e4e8b0a34375db8c71592977538e9743cc67adf88c615157a0e86b00
        • MD5 SHA1 SHA512 SSDEEP

        TextInputFramework.dll

        • Path C:\Windows\System32\TextInputFramework.dll
        • Size 992KB
        • SHA256 344dcbf81e506ad32561bee96221a601c2e714d136c6d0d8a2e03db8e2dc0e9b
        • MD5 SHA1 SHA512 SSDEEP

        TextShaping.dll

        • Path C:\Windows\System32\TextShaping.dll
        • Size 689KB
        • SHA256 b51bbe4c3d01ed3ecb8947c7cce071022149496d713e65e5a30cacaa82b7681e
        • MD5 SHA1 SHA512 SSDEEP

        WinTypes.dll

        • Path C:\Windows\System32\WinTypes.dll
        • Size 1.3MB
        • SHA256 62a4076211bae3db99472ceb1b0af23dfca8aacd618a3b72420182bb0c7ab2c2
        • MD5 SHA1 SHA512 SSDEEP

        Windows.Globalization.dll

        • Path C:\Windows\System32\Windows.Globalization.dll
        • Size 1.6MB
        • SHA256 48ed1080edea0f01223ef21cbf3b29c96352b649d8995d19722c59d5ad713301
        • MD5 SHA1 SHA512 SSDEEP

        Windows.Services.TargetedContent.dll

        • Path C:\Windows\System32\Windows.Services.TargetedContent.dll
        • Size 1.2MB
        • SHA256 073703495bf52dbd3e5b174bb5a2ab02f36b8b73ff387fd7c5d2879a829fec00
        • MD5 SHA1 SHA512 SSDEEP

        Windows.StateRepositoryCore.dll

        • Path C:\Windows\System32\Windows.StateRepositoryCore.dll
        • Size 57KB
        • SHA256 25970a13ecb42814709f5a17c3e41f389dc27f33e0e7a46300e47f5af2fa0f5c
        • MD5 SHA1 SHA512 SSDEEP

        Windows.Storage.ApplicationData.dll

        • Path C:\Windows\System32\Windows.Storage.ApplicationData.dll
        • Size 381KB
        • SHA256 febb8ae767b2e5d305f4af6a15ea54aedbf0901dac925382b387eda187cf596d
        • MD5 SHA1 SHA512 SSDEEP

        Windows.Web.dll

        • Path C:\Windows\System32\Windows.Web.dll
        • Size 756KB
        • SHA256 c5dbbfa0ff7d1c08ec9698e3e2d59634168c497dbda63a3734fb68973b999ac8
        • MD5 SHA1 SHA512 SSDEEP

        advapi32.dll

        • Path C:\Windows\System32\advapi32.dll
        • Size 673KB
        • SHA256 e92f9f71ba5a405c5d1a51bd03d6f830f004aca05b80b5bcf525514eca4480ef
        • MD5 SHA1 SHA512 SSDEEP

        backgroundTaskHost.exe

        • Path C:\Windows\System32\backgroundTaskHost.exe
        • Size 19KB
        • SHA256 20330d3ca71d58f4aeb432676cb6a3d5b97005954e45132fb083e90782efdd50
        • MD5 SHA1 SHA512 SSDEEP

        bcrypt.dll

        • Path C:\Windows\System32\bcrypt.dll
        • Size 142KB
        • SHA256 0f14bb6286686143d6192376c2f965d7e71a0c3fae73773da56a7fcd5e355f4d
        • MD5 SHA1 SHA512 SSDEEP

        bcryptprimitives.dll

        • Path C:\Windows\System32\bcryptprimitives.dll
        • Size 517KB
        • SHA256 cfbfc6e742fbba525b49fc1d650003ca4fea1ae632c3d265ea008f3d6eae5d0d
        • MD5 SHA1 SHA512 SSDEEP

        biwinrt.dll

        • Path C:\Windows\System32\biwinrt.dll
        • Size 338KB
        • SHA256 3b7c5fd6920f53c0aabf31e990c4274a98f094ab2d304a0a46329e2fcca16b43
        • MD5 SHA1 SHA512 SSDEEP

        cdp.dll

        • Path C:\Windows\System32\cdp.dll
        • Size 4.6MB
        • SHA256 e88d8f8c3a4d1e836e1b8bc802dae6acd04c655f371ae9976e1ca7e45faf5921
        • MD5 SHA1 SHA512 SSDEEP

        cfgmgr32.dll

        • Path C:\Windows\System32\cfgmgr32.dll
        • Size 298KB
        • SHA256 cb82c3b7c8734e891ddcb08c7890599e563498bcb645bb15cbf819fe8a88e3d4
        • MD5 SHA1 SHA512 SSDEEP

        combase.dll

        • Path C:\Windows\System32\combase.dll
        • Size 3.3MB
        • SHA256 4d4f893a1e260c4e9e286eb9ab4ac3e9b356495da05b691fc40e65056767a7ab
        • MD5 SHA1 SHA512 SSDEEP

        crypt32.dll

        • Path C:\Windows\System32\crypt32.dll
        • Size 1.3MB
        • SHA256 751b8a2acedbc7c735146272e985d121e17936383c5ca1f326cca3bd64113b01
        • MD5 SHA1 SHA512 SSDEEP

        cryptsp.dll

        • Path C:\Windows\System32\cryptsp.dll
        • Size 81KB
        • SHA256 82027b8c6ce412f9c9731af5e904291dae944c3845ebfef2af86c8543c8ad5a7
        • MD5 SHA1 SHA512 SSDEEP

        dsreg.dll

        • Path C:\Windows\System32\dsreg.dll
        • Size 1.2MB
        • SHA256 7fdba9b0590474274895252dc78675b7f8eacda80baf211f45a7d9ab9801b42e
        • MD5 SHA1 SHA512 SSDEEP

        gdi32.dll

        • Path C:\Windows\System32\gdi32.dll
        • Size 162KB
        • SHA256 de75aea74bf6453f42f02b949a6a3dc00ecef4ae16310fc4a0acb6d869e1fd2a
        • MD5 SHA1 SHA512 SSDEEP

        gdi32full.dll

        • Path C:\Windows\System32\gdi32full.dll
        • Size 1.0MB
        • SHA256 f2f28c7195557af1e6d50016b41839514ea2dcd4716c5c5bb87dd2c200e5499e
        • MD5 SHA1 SHA512 SSDEEP

        iertutil.dll

        • Path C:\Windows\System32\iertutil.dll
        • Size 2.7MB
        • SHA256 a40de7fda4a60b9315d1a50453eb2eac2e3e720490239510e213b0e9959db76c
        • MD5 SHA1 SHA512 SSDEEP

        imm32.dll

        • Path C:\Windows\System32\imm32.dll
        • Size 181KB
        • SHA256 00053aa7be3825828ad7c8c1c9f9ad29df07f5538107479886d8427df86bb4f0
        • MD5 SHA1 SHA512 SSDEEP

        kernel.appcore.dll

        • Path C:\Windows\System32\kernel.appcore.dll
        • Size 59KB
        • SHA256 7d6c60195dfb05eec27377ae25d9ad259d7fdf85fa71d2aa855fd4129c2aadc2
        • MD5 SHA1 SHA512 SSDEEP

        kernel32.dll

        • Path C:\Windows\System32\kernel32.dll
        • Size 752KB
        • SHA256 e5988a4597838f07fff021dd6c1653a8a459ed6caf2a63da95ec42ab49d37e0d
        • MD5 SHA1 SHA512 SSDEEP

        logoncli.dll

        • Path C:\Windows\System32\logoncli.dll
        • Size 254KB
        • SHA256 b84469293584b8ff2c0340f48535227d4c383d558bcc30d6e16a292d26f51cb5
        • MD5 SHA1 SHA512 SSDEEP

        msvcp110_win.dll

        • Path C:\Windows\System32\msvcp110_win.dll
        • Size 547KB
        • SHA256 625cf50cd7fcd0e16d0e28514e92919b6ebfb9cb07cd1803110fdb0f5368aca4
        • MD5 SHA1 SHA512 SSDEEP

        msvcp_win.dll

        • Path C:\Windows\System32\msvcp_win.dll
        • Size 619KB
        • SHA256 fd1d0cc8a5ac8bf20af9e1a7ec360dd76dc022dfe992556948df1c17f7a714d2
        • MD5 SHA1 SHA512 SSDEEP

        msvcrt.dll

        • Path C:\Windows\System32\msvcrt.dll
        • Size 622KB
        • SHA256 dd7c8bc34cdbe30ef921395e874909bbf6be53803822164f75f7207e9f085650
        • MD5 SHA1 SHA512 SSDEEP

        ntdll.dll

        • Path C:\Windows\System32\ntdll.dll
        • Size 1.9MB
        • SHA256 12d1bac765448db638adc8327de1101e5e2eb5829b8da7edd5b216a45c717eec
        • MD5 SHA1 SHA512 SSDEEP

        ntmarta.dll

        • Path C:\Windows\System32\ntmarta.dll
        • Size 187KB
        • SHA256 b2eb064f3d70f08152e1845fbeef64be204fa44fa56d2e58a645e15db5505011
        • MD5 SHA1 SHA512 SSDEEP

        oleaut32.dll

        • Path C:\Windows\System32\oleaut32.dll
        • Size 812KB
        • SHA256 bbe70836e44ba71555906d37011ec2aa3f86bd1314f5431406bba8f305dfb570
        • MD5 SHA1 SHA512 SSDEEP

        policymanager.dll

        • Path C:\Windows\System32\policymanager.dll
        • Size 633KB
        • SHA256 52fa7c1da3158a75ead78d2e011cdf98031e25521b5b369d23b2c3a53365264b
        • MD5 SHA1 SHA512 SSDEEP

        profapi.dll

        • Path C:\Windows\System32\profapi.dll
        • Size 113KB
        • SHA256 313cb7c9a69d5d84308a1c4b78c8ff257854071cac7918bc31d1b893feb95ec2
        • MD5 SHA1 SHA512 SSDEEP

        profext.dll

        • Path C:\Windows\System32\profext.dll
        • Size 153KB
        • SHA256 43fd290cbb3b4507e6eaac48c4fd13975252c6b388c9affa7808b1d23c212b04
        • MD5 SHA1 SHA512 SSDEEP

        propsys.dll

        • Path C:\Windows\System32\propsys.dll
        • Size 979KB
        • SHA256 bf1a5b4b8178c8092347e0c977e0b1bc11a287f703d5ecf68575589ddc6655f8
        • MD5 SHA1 SHA512 SSDEEP

        rpcrt4.dll

        • Path C:\Windows\System32\rpcrt4.dll
        • Size 1.2MB
        • SHA256 c84bbd6d2e4f0334d75d6199133515fce3d44439062095f0dcfd1f8df0f5183b
        • MD5 SHA1 SHA512 SSDEEP

        sechost.dll

        • Path C:\Windows\System32\sechost.dll
        • Size 610KB
        • SHA256 f900de6143d808a03584075417940c5d42bcf612811a19129059a696be8645d7
        • MD5 SHA1 SHA512 SSDEEP

        slc.dll

        • Path C:\Windows\System32\slc.dll
        • Size 143KB
        • SHA256 a68d1f8265d6a1175e55283a6f57b96ac94bad9585d19d3d56f8d2c6d4c92df4
        • MD5 SHA1 SHA512 SSDEEP

        sppc.dll

        • Path C:\Windows\System32\sppc.dll
        • Size 127KB
        • SHA256 63acba2d7b1e0ff51b1fb5eddac20b89e7d47051a4d7e3180da4f99ecca8ae32
        • MD5 SHA1 SHA512 SSDEEP

        sspicli.dll

        • Path C:\Windows\System32\sspicli.dll
        • Size 182KB
        • SHA256 74542c85c237583a61bfd6296e7610da2973872645ddc614ad837705d9c4ac72
        • MD5 SHA1 SHA512 SSDEEP

        threadpoolwinrt.dll

        • Path C:\Windows\System32\threadpoolwinrt.dll
        • Size 66KB
        • SHA256 192e53a11e563333ea528dd2682bf97690f7d9b4b15dfb8fd111a39980a513ec
        • MD5 SHA1 SHA512 SSDEEP

        twinapi.appcore.dll

        • Path C:\Windows\System32\twinapi.appcore.dll
        • Size 2.0MB
        • SHA256 73dcb1aee444575b40f189b90af2058664a4ed5e1bfc6f13f5ed925550292732
        • MD5 SHA1 SHA512 SSDEEP

        ucrtbase.dll

        • Path C:\Windows\System32\ucrtbase.dll
        • Size 1020KB
        • SHA256 de8d08d01291df93821314176381f3d1ae863e6c5584a7f8ea42f0b94b15ef65
        • MD5 SHA1 SHA512 SSDEEP

        umpdc.dll

        • Path C:\Windows\System32\umpdc.dll
        • Size 63KB
        • SHA256 ab37401f78b29cc26db5b27b3dc0cec3c37ce99ad4e9df6ebb54f4a239f30232
        • MD5 SHA1 SHA512 SSDEEP

        user32.dll

        • Path C:\Windows\System32\user32.dll
        • Size 1.6MB
        • SHA256 a1331a9b4c8cca6ccdda97efa7b57fe249cb1753b0ee9c212a41856866c21b23
        • MD5 SHA1 SHA512 SSDEEP

        userenv.dll

        • Path C:\Windows\System32\userenv.dll
        • Size 172KB
        • SHA256 de6f6cd7d703dca17c147b358fb0ded9b763c5642c56dca0280204a8d3e2cdc3
        • MD5 SHA1 SHA512 SSDEEP

        uxtheme.dll

        • Path C:\Windows\System32\uxtheme.dll
        • Size 614KB
        • SHA256 8080001033997f644aceb6a08c9a8fb445a9e338ec3202fa819936dc71f06367
        • MD5 SHA1 SHA512 SSDEEP

        win32u.dll

        • Path C:\Windows\System32\win32u.dll
        • Size 129KB
        • SHA256 f9f54817d8174c8cefecbb36c1c001d8a088bfd87d769d38f2dd0b5108c668ac
        • MD5 SHA1 SHA512 SSDEEP

        wincorlib.dll

        • Path C:\Windows\System32\wincorlib.dll
        • Size 427KB
        • SHA256 d8dcc13ee3c37d6412c120a6370a15ca3d103571f7681fefb06709d8191f95a3
        • MD5 SHA1 SHA512 SSDEEP

        wldp.dll

        • Path C:\Windows\System32\wldp.dll
        • Size 168KB
        • SHA256 08225860b8e9b712439cd83bc3a04fa802c56c5fa6c2471f23e0047ac639f1f5
        • MD5 SHA1 SHA512 SSDEEP

        ws2_32.dll

        • Path C:\Windows\System32\ws2_32.dll
        • Size 417KB
        • SHA256 1f996574f38219cdd848375f517f8d86e17542bc84d64cce63aa0c64cc15f22d
        • MD5 SHA1 SHA512 SSDEEP