Analysis

  • max time kernel
    150s
  • max time network
    160s
  • platform
    windows11-21h2_x64
  • resource
    win11-20231215-en
  • resource tags

    arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    24-01-2024 17:01

General

  • Target

    msi1217YD.msi

  • Size

    112.2MB

  • MD5

    73de0e9331c6fa90bc0b78d1fd8371e7

  • SHA1

    df579476fbcb6b0848b73fcf52c7879461d838a8

  • SHA256

    b0a480c9a1e292b18a55b8d79bc3efccdb2936510226b0f313d14df8ac67627f

  • SHA512

    57e985d3044e2597cf5c22207694c95268aff713c3d80a70332e54607a3fe8ec07a451593c65a55cb2c4228c830fab9d3be86141222784834b845b7738014e73

  • SSDEEP

    3145728:4B4swQOP2kt4/iUOsdQidkLgvEtRxGH2/ril:4BxOhS/iUZ7dNE1GW/ril

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 9 IoCs
  • VMProtect packed file 10 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Drops file in Windows directory 20 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 24 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 40 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.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\msi1217YD.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2620
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding CF5E4BB14512A2AB11BCC623628945DB C
      2⤵
      • Loads dropped DLL
      PID:3884
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3200
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 3F6170BCE32FC46D0B3D51834362B1CB
        2⤵
        • Loads dropped DLL
        PID:2836
      • C:\Windows\Installer\MSIDF09.tmp
        "C:\Windows\Installer\MSIDF09.tmp" /EnforcedRunAsAdmin /RunAsAdmin "C:\Users\Admin\AppData\Roaming\YOUDAO\217.bat"
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1284
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C ""C:\Users\Admin\AppData\Roaming\YOUDAO\217.bat" "
          3⤵
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:796
          • C:\Users\Admin\AppData\Roaming\YOUDAO\WinRAR.exe
            C:\Users\Admin\AppData\Roaming\YOUDAO\WinRAR.exe x -p7758523s -ibck 1.zip tiak.exe
            4⤵
            • Executes dropped EXE
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of WriteProcessMemory
            PID:1452
            • C:\Users\Admin\AppData\Roaming\YOUDAO\RarExtInstaller.exe
              "C:\Users\Admin\AppData\Roaming\YOUDAO\RarExtInstaller.exe" -install
              5⤵
              • Executes dropped EXE
              PID:4440
          • C:\Windows\SysWOW64\WScript.exe
            "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\YOUDAO\3.vbs"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:5028
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe" /c del %cd%\66.bat
              5⤵
                PID:2820
              • C:\Users\Admin\AppData\Roaming\YOUDAO\tiak.exe
                "C:\Users\Admin\AppData\Roaming\YOUDAO\tiak.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of SetWindowsHookEx
                • Suspicious use of WriteProcessMemory
                PID:2996
                • C:\tkhkel\help360.exe
                  C:\tkhkel\help360.exe
                  6⤵
                  • Executes dropped EXE
                  • Drops file in Windows directory
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of WriteProcessMemory
                  PID:4256
                  • C:\windows\Runn\Yloux.exe
                    "C:\windows\Runn\Yloux.exe"
                    7⤵
                    • Executes dropped EXE
                    • Enumerates connected drives
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of SetWindowsHookEx
                    PID:4592
                • C:\Program Files\Internet Explorer\iexplore.exe
                  "C:\Program Files\Internet Explorer\iexplore.exe" https://sms-activate.ru/cn/getNumber
                  6⤵
                  • Modifies Internet Explorer settings
                  PID:2564
                • C:\Windows\SysWOW64\cmd.exe
                  cmd /c ping 127.0.0.1 -n 5 &del "C:\Users\Admin\AppData\Roaming\YOUDAO\tiak.exe"
                  6⤵
                  • Suspicious use of WriteProcessMemory
                  PID:784
                  • C:\Windows\SysWOW64\PING.EXE
                    ping 127.0.0.1 -n 5
                    7⤵
                    • Runs ping.exe
                    PID:1500
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Checks SCSI registry key(s)
        PID:3372

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Config.Msi\e57d11c.rbs

        Filesize

        420KB

        MD5

        04d502d3c34a6d2e3c2117619785935c

        SHA1

        f5794321ac737246376ce9fbb1c10730557752d9

        SHA256

        7a6a1ecd2d16f3f0f71e23205f8d399ef2c3848ede7d2091a487777798ab6cc8

        SHA512

        20c88bb14893479faf8d913855ca0dcbbde7e42b30a0e95c6893aae06c8e524d57d6dcf4767883a3b5260716f1751ffac9dbc4cb1006efdcd90d5411924b04a3

      • C:\Users\Admin\AppData\Local\Temp\MSI8964.tmp

        Filesize

        557KB

        MD5

        db7612f0fd6408d664185cfc81bef0cb

        SHA1

        19a6334ec00365b4f4e57d387ed885b32aa7c9aa

        SHA256

        e9e426b679b3efb233f03c696e997e2da3402f16a321e954b54454317fceb240

        SHA512

        25e129cb22aaabc68c42ecf10bb650ac4d0609b12c08703c780572bac7ecf4559fcc49cd595c56ea48cf55260a984cfa333c08307ffb7c62268b03fbecc724b9

      • C:\Users\Admin\AppData\Roaming\YOUDAO\1.zip

        Filesize

        10.5MB

        MD5

        f676271690b54795a07e5cf179e52764

        SHA1

        7814cfa9c90f520f13089e6d2e80c78145079618

        SHA256

        4f2266fd08bdb07faf29c61eb51db85e53e8cb9cfdc885115d38e28e147ab2a5

        SHA512

        1c7c2203b442d08816756c2bd7cd7775d5a37d9cbf9e46380a3282dac4a886c424b2dd7bceec10d9f39fa98d3eb3b23fe61c3e15b6712292ce8d9e4cebe15909

      • C:\Users\Admin\AppData\Roaming\YOUDAO\217.bat

        Filesize

        91B

        MD5

        cb242c95a12c2107f242a0f1620216e1

        SHA1

        899cf47f75e292d4a3696b23df68e19b090c0218

        SHA256

        429376ad0492dd8b4e03dc113888cbce866b5e9b6c3e72c82c6ee3fc006f6e6f

        SHA512

        42d56db973fa3c9f7c414d4a9f4bffe28e089ad542556ae054a0b15f264c4060d3777064461920a0fd864a57bea715f71daf5c858f6c66d960587ade3b457e4c

      • C:\Users\Admin\AppData\Roaming\YOUDAO\3.vbs

        Filesize

        439B

        MD5

        ff1eac510e2fb9c00a39ee817826be7b

        SHA1

        36485d145164c922d8c4ff92fa879bdba1a9ad5e

        SHA256

        e96ecf797d784b8bab8d70a264f1fd6ca6b679a477af4bf6887f6635f8d42bcd

        SHA512

        d44f4cc8445371636c9a728817a4d8321220968ff70955c3dec0a7521b1741972aa92a1190a1e0b4d08770ef0e806a84226836d8ca0ff20d21355a96cc214d2f

      • C:\Users\Admin\AppData\Roaming\YOUDAO\RarExt.dll

        Filesize

        616KB

        MD5

        9b06731ee83e501c39a758c554dba159

        SHA1

        042f43cd2f99767cdbdf23eaf1775288f981d868

        SHA256

        d4a9d0be3da3073bc1d9dd770bd86fb58222bb61a1882d5059a6c07fba8be924

        SHA512

        d9448d69a00c727c3b025f093da9f184906430dfd93ae2d81c29d2ce8ee5dfb8adf3340557982ef9e8d59b4d012f024ff6e39b225c1386041c0afe0f15780a62

      • C:\Users\Admin\AppData\Roaming\YOUDAO\RarExtInstaller.exe

        Filesize

        176KB

        MD5

        9ceaaadfb9303cfee55475b014084ae6

        SHA1

        32ae5c8d9bac5d164e6b30d56d83063c6b370c80

        SHA256

        eb0a02fe41ff087051d90aebda7ce9c56737fd20896e80503e08a4633c16f600

        SHA512

        7947941e45d0e997da24711dcd7d7a7c1357a14bf7b2acf50e6177872fe6d7c1305cd7bd0d68bcb9a5edd29a8e94e5c5a292cfaa8229281696d41218f4ba8e37

      • C:\Users\Admin\AppData\Roaming\YOUDAO\RarExtPackage.msix

        Filesize

        22KB

        MD5

        8930103e0ca45afe89ca8efeb220eb2b

        SHA1

        930749a346dc3d47520451a0c92edc62ae8f00f8

        SHA256

        5a28814263254683282bc5bd0ca6ecf35b2ffe3c2e27cefdc2e1a61afb5a8e6f

        SHA512

        aad319aaece4b7b888e1580025cc584c4249fb0f65023a039885c4dc786644afc2cf53d3de50e09543fbf4605b82121d5f3068643d5feae89a8844018c1081a9

      • C:\Users\Admin\AppData\Roaming\YOUDAO\WinRAR.exe

        Filesize

        2.3MB

        MD5

        c343e5e43e2657c82bc0ed9b80c7ffdf

        SHA1

        a56bab6f439e105bafa212a8ac907ef6019adfe7

        SHA256

        57b7698d4caa84cb4f6cf043cd4930ee018956337f40fbc138af21f9c2c06d3a

        SHA512

        2e1394f27e106c0a1290dd38d5244803c88ee1f7eb14095b0ef3f74909e95e4d8265076eef60fedf9fdb0cbe7f549702af6c5092de7c03902ef56ee6db972d58

      • C:\Users\Admin\AppData\Roaming\YOUDAO\tiak.exe

        Filesize

        7.1MB

        MD5

        ce6e175f5e478f7eaf45889e73e8a138

        SHA1

        71a3b5dea4c388bdeb90146f0b34eec52d45627c

        SHA256

        11ddc708690775f20bbe7e5826ce161bf0bd8d9fc48ece0e88ca1053abb4817f

        SHA512

        896a45d5e4f54e0d4f5ee5fb3e15dc5b78a16b910f6b65aad9e61502644f2afcd64d6401e8d53d07b1e84dfffa03c223d7cce114de2053d703f07dadfcc9ea8f

      • C:\Users\Admin\AppData\Roaming\YOUDAO\tiak.exe

        Filesize

        7.2MB

        MD5

        e334c537ac8ec3f6a6fc7107fa392380

        SHA1

        0611edadecb35e5eb9b57d5c68e027db51af6ecc

        SHA256

        df85b3de4556de805e222bcf877d2535a15cceee754b9952582466833da9b19b

        SHA512

        5a6f4ba673cc8dd194708215f25204469e95411c7422ba6abaac890b2f7b39ac5bc4e11200677c17869d132e1fb8c653490d5d797ec2b7938071fd6dd57ac289

      • C:\Windows\Installer\MSIDF09.tmp

        Filesize

        409KB

        MD5

        f7e1ad874fba884ceabfdb0f8edf74bb

        SHA1

        dcd89a248a6e3d85bb3f7eae624a41cef9704654

        SHA256

        bbce37f9e20f5bc59ab45dc49c985d115b13bb214561ddb874118fd91fb52ce8

        SHA512

        5e59de04305aff37703e928a594b9114fb728e3285c09aae7706339d9f9ee77652271de5899738e8410d13224838efb3e30f5ab4e149c21458d3c971010dd209

      • C:\Windows\Installer\e57d11b.msi

        Filesize

        61.1MB

        MD5

        e74fa66c286deff6232ff446216cc470

        SHA1

        b64ad132cd9d2d0380c52f53879dcc9dcc895e4a

        SHA256

        46c4566dcc48c174fe7bc3529d090e2425ca72b7d0d3d388ba8204f2631ae49f

        SHA512

        7ce91721094a0d8a05c2885c7068b8c0d02e58664f7eec50ab689d9eff28df676b356ef9dedcb12e1fd92ee08a5f97f814f07e6e6c342c637dbd9a8c8ccacb9c

      • C:\Windows\Runn\Yloux.exe

        Filesize

        2.5MB

        MD5

        81590a0dbb3cbc448bafb2161619d2e9

        SHA1

        0cf224e66413fd7aa32ce4c590fd1f062b60308d

        SHA256

        f03112820d76d5d8a53615e032e1bf35565d37bca72ca52464d2b5fe13538d40

        SHA512

        a92d8f7ab0c243fcb87113d46b1b1bdc2cef4421d517608a9b8ee1d1d74703bed2b5c6fd8a366792d27f03a59ad9aa1a61109ea94c52b14b06605048da032013

      • C:\Windows\Runn\Yloux.exe

        Filesize

        3.0MB

        MD5

        9289c4d7ce63082a6b104b49382273c9

        SHA1

        541187577d7fdea110b8868f2f059d4c2c34b9fc

        SHA256

        875e0934d086e6bb3cc03d65d3ef60a7b2f69b966e64de015541db5748d376db

        SHA512

        c3807c8a4e1d5aef81b19eb3df5ce54494264d75c191c6b4387902b133a2b934864706f59e927e9b1bb96712270863ca02137b49f695b10281f227fe6710628e

      • C:\tkhkel\help360.exe

        Filesize

        2.6MB

        MD5

        54f23836a37e9b1ccb7293e78d380f6b

        SHA1

        770c1c20f2c269d94ab68e4158f46d47540d75b7

        SHA256

        778173ce9df37c9b2dbeeefc8e7c201d935d38c0f017d5909edbf30cd84f3b5b

        SHA512

        31963bb8b74404d740086b08d178778152b2e4de5010650bdfc722870c5212a35ba0f31e55a12070e4a7380f9bba88d8a76611abe0baef6d91596e1a65dc680a

      • C:\tkhkel\help360.exe

        Filesize

        2.7MB

        MD5

        a7aa3b45fcde9c907c21315d382faab8

        SHA1

        5e6fb3adb517089f09f57cf09ec77b073b49a177

        SHA256

        fb03d18aed866276d2a8b63610978ee7ac7eb6d2fbc9e352879f881b1e9d1b10

        SHA512

        ea434325e06ed6b27730b3e10a0711c9f396a2eaa88a819e8db3e213724e8b49933b3329d2dfdd49277ed7819c9e4c430c017c7864c94e353e15216060559805

      • C:\windows\Runn\1.bin

        Filesize

        176KB

        MD5

        3d7d682f44b0b12b5518d3e9c6c11d2a

        SHA1

        23869cb52e797c0f5c64364af8c78c49c71b9c27

        SHA256

        702eb45ead6494f36944f5d16e5aef30de138c6d16fdf92eedd098fb59fa5347

        SHA512

        6295f519308b8ccd4ce6cea1058340dc25fdba5414a44c8c952437dc2cdea42b783e476ded8c855d0423895c1e8d0667eda817d956322d78ceeb5e10139af550

      • \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2

        Filesize

        6.7MB

        MD5

        584f2206cd07b1ead19f4b25ec252422

        SHA1

        f5398f0cb9646e0a62685fbaa0c8355a4bbb01a2

        SHA256

        ff8619691201493d929e5ef02012a616c3df255863b4efa2059d950315a5329e

        SHA512

        f401d20435617846444afd5a833a957fbad33c441f2b64f3b47a78c5bb47939b6e3e06f20cd3f7c59c0bb6ae75d0d75aa1f710746f83db767002d34377e122cf

      • \??\Volume{c68e20b3-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{6986901f-801c-42a7-869d-f2e45c9f18d8}_OnDiskSnapshotProp

        Filesize

        6KB

        MD5

        85ee5d94aca1c877a5b022cda7c4c264

        SHA1

        32d3882ebf4859604caded6137106c729dd0377e

        SHA256

        141b8806fd53e040e3ad7248adf5550cf9025b963dd77d73781a5d987d870627

        SHA512

        eaa761ba3399089ba544521f6053998976b9cf83d6cf8bb7b5806334472f28afcc7de521d6f22b088a7ff7355928176fabc33e16268ffba572bfb612695a7fb9

      • memory/2996-130-0x0000000003690000-0x0000000003691000-memory.dmp

        Filesize

        4KB

      • memory/2996-135-0x00000000036D0000-0x00000000036D1000-memory.dmp

        Filesize

        4KB

      • memory/2996-137-0x0000000000400000-0x00000000017E3000-memory.dmp

        Filesize

        19.9MB

      • memory/2996-132-0x00000000036B0000-0x00000000036B1000-memory.dmp

        Filesize

        4KB

      • memory/2996-133-0x00000000036C0000-0x00000000036C1000-memory.dmp

        Filesize

        4KB

      • memory/2996-134-0x0000000000400000-0x00000000017E3000-memory.dmp

        Filesize

        19.9MB

      • memory/2996-128-0x0000000001A60000-0x0000000001A61000-memory.dmp

        Filesize

        4KB

      • memory/2996-131-0x00000000036A0000-0x00000000036A1000-memory.dmp

        Filesize

        4KB

      • memory/2996-148-0x0000000000400000-0x00000000017E3000-memory.dmp

        Filesize

        19.9MB

      • memory/2996-129-0x0000000003660000-0x0000000003661000-memory.dmp

        Filesize

        4KB

      • memory/4256-146-0x0000000001000000-0x0000000001892000-memory.dmp

        Filesize

        8.6MB

      • memory/4256-150-0x0000000010000000-0x0000000010604000-memory.dmp

        Filesize

        6.0MB

      • memory/4256-149-0x0000000003760000-0x0000000003D60000-memory.dmp

        Filesize

        6.0MB

      • memory/4256-145-0x0000000001000000-0x0000000001892000-memory.dmp

        Filesize

        8.6MB

      • memory/4256-168-0x0000000001000000-0x0000000001892000-memory.dmp

        Filesize

        8.6MB

      • memory/4256-144-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

        Filesize

        4KB

      • memory/4592-179-0x0000000180000000-0x0000000180033000-memory.dmp

        Filesize

        204KB

      • memory/4592-183-0x0000000002B30000-0x0000000002B74000-memory.dmp

        Filesize

        272KB

      • memory/4592-176-0x0000000180000000-0x0000000180033000-memory.dmp

        Filesize

        204KB

      • memory/4592-177-0x0000000180000000-0x0000000180033000-memory.dmp

        Filesize

        204KB

      • memory/4592-178-0x0000000180000000-0x0000000180033000-memory.dmp

        Filesize

        204KB

      • memory/4592-169-0x0000000180000000-0x0000000180033000-memory.dmp

        Filesize

        204KB

      • memory/4592-180-0x0000000002B30000-0x0000000002B74000-memory.dmp

        Filesize

        272KB

      • memory/4592-181-0x0000000002B30000-0x0000000002B74000-memory.dmp

        Filesize

        272KB

      • memory/4592-182-0x0000000002AE0000-0x0000000002B1E000-memory.dmp

        Filesize

        248KB

      • memory/4592-175-0x0000000180000000-0x0000000180033000-memory.dmp

        Filesize

        204KB

      • memory/4592-184-0x0000000002B30000-0x0000000002B74000-memory.dmp

        Filesize

        272KB

      • memory/4592-167-0x0000000000C40000-0x0000000000C6D000-memory.dmp

        Filesize

        180KB

      • memory/4592-187-0x0000000000400000-0x0000000000590000-memory.dmp

        Filesize

        1.6MB

      • memory/4592-194-0x0000000002B30000-0x0000000002B74000-memory.dmp

        Filesize

        272KB

      • memory/4592-197-0x0000000180000000-0x0000000180033000-memory.dmp

        Filesize

        204KB

      • memory/4592-198-0x0000000002B30000-0x0000000002B74000-memory.dmp

        Filesize

        272KB

      • memory/4592-200-0x0000000180000000-0x0000000180033000-memory.dmp

        Filesize

        204KB

      • memory/4592-201-0x0000000002B30000-0x0000000002B74000-memory.dmp

        Filesize

        272KB