Analysis

  • max time kernel
    117s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08/05/2024, 06:45

General

  • Target

    fcc7a165d32d670c18cbab99ad3e2a80_NEIKI.exe

  • Size

    5.2MB

  • MD5

    fcc7a165d32d670c18cbab99ad3e2a80

  • SHA1

    c80df14e1ce503a46f7d2f549c056882985785e6

  • SHA256

    a2416a51d20f001713a08392f60ffc7fa50d9cf7e2e50851e2f7a021a02a2831

  • SHA512

    eaf0962b9cb48c96b55c986af2eb0db498f61f80692115f58496170bdfa3397d7e00f1b4c8d7e782b5efd5ee890fd9adae9a97f021dbd7df4b784d2a2eb3c1bc

  • SSDEEP

    98304:Kps6efPfBOPvLtabi4X0MV+dYdcGt7VIb4:sfefPJws3V+a

Score
8/10

Malware Config

Signatures

  • Sets service image path in registry 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 15 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 23 IoCs
  • Registers COM server for autorun 1 TTPs 3 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 data under HKEY_USERS 52 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\fcc7a165d32d670c18cbab99ad3e2a80_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\fcc7a165d32d670c18cbab99ad3e2a80_NEIKI.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\02aacd0ff7720c8e\setup.msi"
      2⤵
      • Enumerates connected drives
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:1740
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Registers COM server for autorun
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2468
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding ADA8297DD78615C0F380C2AA918712C1 C
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2588
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI816F.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_259424795 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        PID:2480
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 24DF1761A4C0CF274DCC608E6E539F3C
      2⤵
      • Loads dropped DLL
      PID:1492
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 3DFC769BCE1B57F6A5E62E9985B1DCCC M Global\MSI0000
      2⤵
      • Drops file in Windows directory
      • Loads dropped DLL
      PID:2256
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
      PID:2432
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000003B4" "00000000000005A0"
      1⤵
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      PID:1712
    • C:\Program Files (x86)\ScreenConnect Client (02aacd0ff7720c8e)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (02aacd0ff7720c8e)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-cjeh24-relay.screenconnect.com&p=443&s=d9ec3d54-11aa-452f-bed3-cc4cd6c1a0d4&k=BgIAAACkAABSU0ExAAgAAAEAAQDZKTW%2f%2b%2f0HZmYMCXtdMD%2bn02Nt2VBCvuFrPfNtNBBCGc%2b0LcJ9P4u2z8uxREmtJoDrc%2bj7EMgJ8x7wyzgfLtNFDv41m%2bXSlDRjrSKKim%2fbNMv%2f9mkMtRamV478yX%2fc3VlECJEYHAFK%2fpDKpPZ1F%2fGbTFkenTsR7AdEv%2f61cW%2fRNTPaJ6Fmq8qBTkD6WZDPTBFVGuZ8d39SUtwUIEQ55FCbSiB3Bc1bTHHTUu%2fsa6e4yjeX14Z1%2bcVVui7%2f50qy1%2fEG18N%2b0p1HIv955Fk4DHPNMPeDIfd9x%2f5gakn0zF5jGtpd2iIpuuK2%2fuRIp86BX4AjwN%2bQNpm9QL8W0dBt0%2fbT&c=18144219267069&c=&c=&c=&c=&c=&c=&c="
      1⤵
      • Sets service image path in registry
      • Drops file in System32 directory
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2116
      • C:\Program Files (x86)\ScreenConnect Client (02aacd0ff7720c8e)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (02aacd0ff7720c8e)\ScreenConnect.WindowsClient.exe" "RunRole" "aadbeea6-cd14-49d0-b6f9-928e15368428" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1468
      • C:\Program Files (x86)\ScreenConnect Client (02aacd0ff7720c8e)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (02aacd0ff7720c8e)\ScreenConnect.WindowsClient.exe" "RunRole" "6d07f5c5-14cc-4a1a-8c57-de53f56e9592" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Enumerates system info in registry
        • Modifies data under HKEY_USERS
        • Suspicious behavior: AddClipboardFormatListener
        PID:856

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Config.Msi\f76e5bf.rbs

            Filesize

            213KB

            MD5

            e2b45bcbe9277211eeafb8e281a60b5d

            SHA1

            79ed209ab2909208811ac81c17b39359a95d381e

            SHA256

            ef0d777affd0f7d93dcd8ff0d0271ce9ed942bcaa9a4c2787209bd84479587ac

            SHA512

            f9d7cd334d3930ec94092e6180374179a23f432f677fff0d52ac384857d42d88eb911dfbb756cd701409b28c9a2dbf46808e74d1bbd470f9dab480f886e19ff1

          • C:\Program Files (x86)\ScreenConnect Client (02aacd0ff7720c8e)\Client.en-US.resources

            Filesize

            47KB

            MD5

            3e83a3aa62c5ff54ed98e27b3fbecf90

            SHA1

            96d8927c870a74a478864240b3ace94ad543dfb8

            SHA256

            2d88b97d28be01abca4544c6381a4370c1a1ce05142c176742f13b44889ddf90

            SHA512

            ea9d05a4aa1ee5cccc61c4f5e8994efba9efff0549b69577bef1f2a22cce908739124eff1e0db5cfdd69e077ad2d7cdb1307de92d79673c9309ee621cb139956

          • C:\Program Files (x86)\ScreenConnect Client (02aacd0ff7720c8e)\Client.resources

            Filesize

            26KB

            MD5

            5cd580b22da0c33ec6730b10a6c74932

            SHA1

            0b6bded7936178d80841b289769c6ff0c8eead2d

            SHA256

            de185ee5d433e6cfbb2e5fcc903dbd60cc833a3ca5299f2862b253a41e7aa08c

            SHA512

            c2494533b26128fbf8149f7d20257d78d258abffb30e4e595cb9c6a742f00f1bf31b1ee202d4184661b98793b9909038cf03c04b563ce4eca1e2ee2dec3bf787

          • C:\Program Files (x86)\ScreenConnect Client (02aacd0ff7720c8e)\ScreenConnect.ClientService.dll

            Filesize

            60KB

            MD5

            22af3a23bd30484514cdacf67c5b3810

            SHA1

            e92a4eaee9d896964de541ce2f01c2404b638258

            SHA256

            7c5442121dba2a30ab9579ec08e111ded372cf9cf90fb3256f273980b975afa9

            SHA512

            95e40b27e90fce7ca85e76afbbc16eb62b4bb977664702b987de2eb2294e6fe9e6df5610ec7b2362c2c68493313f30fbbcbd3446dbe8ae2fa47b89407f5d5936

          • C:\Program Files (x86)\ScreenConnect Client (02aacd0ff7720c8e)\ScreenConnect.ClientService.exe

            Filesize

            93KB

            MD5

            dc615e9d8ec81cbf2e2452516373e5a0

            SHA1

            ec83d37a4f45caeb07b1605324d0315f959452e9

            SHA256

            e9ab064ed381c29a3930f75ca3e05605c6ee07f30a69c043f576a5461de3bafc

            SHA512

            82fe00447fb9785264dfb8032399adf6d33d91d71058212d252742c9e5fd54f5a52f6baf4fb05e95f9a4055057c60a33a7c1c642f18a6a4e045b49be88fa5d9f

          • C:\Program Files (x86)\ScreenConnect Client (02aacd0ff7720c8e)\ScreenConnect.Windows.dll

            Filesize

            1.6MB

            MD5

            29454a0cb83f28c24805e9a70e53444a

            SHA1

            334202965b07ab69f08b16fed0ee6c7274463556

            SHA256

            998cc3f9af5bd41ccf0f9be86192bbe20cdec08a6ff73c1199e1364195a83e14

            SHA512

            62790920974a2f1b018d466ae3e3b5100006a3c8013f43bdb04af7074cfe5d992caaeb610de2b1b72ff0e4acf8762db1513a4a0cf331f9a340ae0ce53c3be895

          • C:\Program Files (x86)\ScreenConnect Client (02aacd0ff7720c8e)\ScreenConnect.WindowsClient.exe.config

            Filesize

            266B

            MD5

            728175e20ffbceb46760bb5e1112f38b

            SHA1

            2421add1f3c9c5ed9c80b339881d08ab10b340e3

            SHA256

            87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077

            SHA512

            fb9b57f4e6c04537e8fdb7cc367743c51bf2a0ad4c3c70dddab4ea0cf9ff42d5aeb9d591125e7331374f8201cebf8d0293ad934c667c1394dc63ce96933124e7

          • C:\Program Files (x86)\ScreenConnect Client (02aacd0ff7720c8e)\ScreenConnect.WindowsCredentialProvider.dll

            Filesize

            746KB

            MD5

            f01a59c5cf7ec437097d414d7c6d59c4

            SHA1

            9ea1c3fbf3b5adbe5a23578dea3b511d44e6a2dd

            SHA256

            62b405f32a43da0c8e8ed14a58ec7b9b4422b154bfd4aed4f9be5de0bc6eb5e8

            SHA512

            587748ad4dd18677a3b7943eab1c0f8e77fe50a45e17266ba9a0e1363eda0ff1eabcf11884a5d608e23baf86af8f011db745ad06bcdecdfd01c20430745fe4bb

          • C:\Program Files (x86)\ScreenConnect Client (02aacd0ff7720c8e)\system.config

            Filesize

            990B

            MD5

            ace48c542097f3b3ddad7684110e98c5

            SHA1

            29331db5ff5dd81ff8de659aaaf411ee873925d3

            SHA256

            4c7e293aca2e3354a5192679a5f90a86804d97f9bcb95e3c9b252767587ca6d7

            SHA512

            4c87c4971631ffee618db3325434fd908ba58fe8aa8c84fb479ed3cef839cfad21011f09a4eeda3e4ffa7eddf2f0bc81002e30b7aa9347cc5167c70704f94a8e

          • C:\Users\Admin\AppData\Local\Temp\MSI816F.tmp

            Filesize

            1017KB

            MD5

            8d94c9f4c07b76b4e32daffcc51109da

            SHA1

            62e31a89c488d6745abb72a3071f688fd6180d33

            SHA256

            2b35c0e4088b2a7728fa7bc6a5bfdefed7665598de6d49641fdf5d1f1271a4d7

            SHA512

            0092cbbd95777e6931864d61931efdf3a349f79c575030cad9a1771432f52e1bdc25d5640e2923d202c42c2ce242d00187486334a946e97319d48211233eb0ac

          • C:\Users\Admin\AppData\Local\Temp\ScreenConnect\02aacd0ff7720c8e\setup.msi

            Filesize

            7.4MB

            MD5

            ae5f59c9404ba3c33997efef08c385c3

            SHA1

            e865cc79186aa41c8b552e7471a4ef4b73c5710f

            SHA256

            730ea19831a00e7581f8badd996aed685b8169a798d94dab8f797d58af14a49d

            SHA512

            fd76c1cb7d39b39147c1879f6a0318c9e0775aeefb62994b060c80cd994ef01abdf5e188409abf95f9c8d94de0cb9ad8552cf903b5c7c7a3bf4de058b8b8b814

          • \Program Files (x86)\ScreenConnect Client (02aacd0ff7720c8e)\ScreenConnect.Client.dll

            Filesize

            188KB

            MD5

            6bc9611d5b6cee698149a18d986547a8

            SHA1

            f36ab74e4e502fdaf81e101836b94c91d80cb8ea

            SHA256

            17377a52eeae11e8ee01eb629d6a60c10015ad2bb8bc9768e5c8e4b6500a15ed

            SHA512

            3f23670d0ba150de19a805db6beb6eed8538bbad6fbe3cc21d17d738a43cf411c679a23cea11549e69be0321e672f740791d40e92498aef9d1f8650743ee85ea

          • \Program Files (x86)\ScreenConnect Client (02aacd0ff7720c8e)\ScreenConnect.WindowsClient.exe

            Filesize

            573KB

            MD5

            5dec65c4047de914c78816b8663e3602

            SHA1

            8807695ee8345e37efec43cbc0874277ed9b0a66

            SHA256

            71602f6b0b27c8b7d8ad624248e6126970939effde785ec913ace19052e9960e

            SHA512

            27b5dcb5b0aeadf246b91a173d06e5e8d6cf2cd19d86ca358e0a85b84cd9d8f2b26372ef34c3d427f57803d90f2e97cf59692c80c268a71865f08fc0e7ce42d1

          • \Users\Admin\AppData\Local\Temp\MSI816F.tmp-\Microsoft.Deployment.WindowsInstaller.dll

            Filesize

            172KB

            MD5

            5ef88919012e4a3d8a1e2955dc8c8d81

            SHA1

            c0cfb830b8f1d990e3836e0bcc786e7972c9ed62

            SHA256

            3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d

            SHA512

            4544565b7d69761f9b4532cc85e7c654e591b2264eb8da28e60a058151030b53a99d1b2833f11bfc8acc837eecc44a7d0dbd8bc7af97fc0e0f4938c43f9c2684

          • \Users\Admin\AppData\Local\Temp\MSI816F.tmp-\ScreenConnect.Core.dll

            Filesize

            519KB

            MD5

            b319407e807be1a49e366f7f8ea7ee2a

            SHA1

            b12197a877fb7e33b1cb5ba11b0da5ca706581ba

            SHA256

            761b7e50baa229e8afcd9a50990d7f776ddb5ed1ea5fbb131c802e57cf918742

            SHA512

            dc497643790dc608dece9c8fe7264efedd13724bd24c9bf28a60d848b405fddefb8337a60f3f32bb91518910e02c7a2aaf29fc32f86a464dfcafa365526bdb7f

          • \Users\Admin\AppData\Local\Temp\MSI816F.tmp-\ScreenConnect.InstallerActions.dll

            Filesize

            21KB

            MD5

            b0585159161d50e330b7f8eda50a2770

            SHA1

            8636fab3ce6c21a42d3e5fbd495c2ddad4279162

            SHA256

            ca9e51d51f24e16428d1b0e9a0829a44da2678bfc7ba00f0b46a57dcd6d734b8

            SHA512

            e9ae99bdce64ca4282fa4580d3b081f7d0874c756aef77fb58e10db148e2f670ba48667ce62033c6f514ff825dc54c1bdbae2c7f8d5f9355486402cf75e1d5ad

          • \Windows\Installer\MSIE947.tmp

            Filesize

            202KB

            MD5

            ba84dd4e0c1408828ccc1de09f585eda

            SHA1

            e8e10065d479f8f591b9885ea8487bc673301298

            SHA256

            3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852

            SHA512

            7a38418f6ee8dbc66fab2cd5ad8e033e761912efc465daa484858d451da4b8576079fe90fd3b6640410edc8b3cac31c57719898134f246f4000d60a252d88290

          • memory/856-129-0x0000000000420000-0x0000000000436000-memory.dmp

            Filesize

            88KB

          • memory/1468-121-0x0000000001290000-0x0000000001324000-memory.dmp

            Filesize

            592KB

          • memory/1468-126-0x0000000000650000-0x0000000000666000-memory.dmp

            Filesize

            88KB

          • memory/1468-125-0x0000000000410000-0x0000000000426000-memory.dmp

            Filesize

            88KB

          • memory/1468-124-0x000000001B660000-0x000000001B80A000-memory.dmp

            Filesize

            1.7MB

          • memory/1468-123-0x0000000000430000-0x00000000004B8000-memory.dmp

            Filesize

            544KB

          • memory/1468-122-0x00000000003C0000-0x00000000003F6000-memory.dmp

            Filesize

            216KB

          • memory/2032-8-0x00000000745C0000-0x0000000074CAE000-memory.dmp

            Filesize

            6.9MB

          • memory/2032-0-0x00000000745CE000-0x00000000745CF000-memory.dmp

            Filesize

            4KB

          • memory/2032-1-0x0000000000450000-0x0000000000458000-memory.dmp

            Filesize

            32KB

          • memory/2032-2-0x0000000005000000-0x00000000052CA000-memory.dmp

            Filesize

            2.8MB

          • memory/2032-6-0x0000000000620000-0x0000000000642000-memory.dmp

            Filesize

            136KB

          • memory/2032-5-0x0000000002440000-0x00000000024C8000-memory.dmp

            Filesize

            544KB

          • memory/2032-3-0x00000000745C0000-0x0000000074CAE000-memory.dmp

            Filesize

            6.9MB

          • memory/2032-4-0x00000000745C0000-0x0000000074CAE000-memory.dmp

            Filesize

            6.9MB

          • memory/2116-111-0x0000000003500000-0x00000000035BE000-memory.dmp

            Filesize

            760KB

          • memory/2116-109-0x0000000000320000-0x0000000000356000-memory.dmp

            Filesize

            216KB

          • memory/2116-89-0x0000000003A70000-0x0000000003C1A000-memory.dmp

            Filesize

            1.7MB

          • memory/2116-85-0x0000000001140000-0x00000000011C8000-memory.dmp

            Filesize

            544KB

          • memory/2116-81-0x00000000001E0000-0x00000000001F6000-memory.dmp

            Filesize

            88KB

          • memory/2116-78-0x00000000001E0000-0x00000000001F6000-memory.dmp

            Filesize

            88KB

          • memory/2480-25-0x0000000000310000-0x000000000033E000-memory.dmp

            Filesize

            184KB

          • memory/2480-29-0x00000000008F0000-0x00000000008FC000-memory.dmp

            Filesize

            48KB

          • memory/2480-33-0x0000000000E40000-0x0000000000EC8000-memory.dmp

            Filesize

            544KB