Analysis

  • max time kernel
    44s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    08/06/2024, 07:13

General

  • Target

    meeting invitation.ps1

  • Size

    141KB

  • MD5

    1f7236d71cc27c840cce8527e661a534

  • SHA1

    d7f5520047ac3847e8b540393cc6509afed5179c

  • SHA256

    517ba2d7ccc734ae6d96809bae420555cae7ad1ff9c3df026ef54ec1986c6983

  • SHA512

    ea7883854a86382257d3e9b9cf66747f75ac636c159e227ea12cf634e14c286d84edf752291426548e69c28b360217da700da43137aa54774f2e1a26649cc70e

  • SSDEEP

    384:w4EhgXsRFpBjYishqgaqarBsBI92v1GOWPnQB+7WFpj:V7X6FpdYi7gaSa92sY6WFpj

Score
3/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File "C:\Users\Admin\AppData\Local\Temp\meeting invitation.ps1"
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4852
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:464

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

          Filesize

          11KB

          MD5

          3569ff1aa5310102ef02c312ca4dbe9a

          SHA1

          4124b1e805d5c487bf86182d19ed22bed6cf44ac

          SHA256

          3ce1168408eb889f65cd4d45c12c58842a4291356c835cfb1877d017b6768a9b

          SHA512

          c966ebf69abce51aa4fbec1e53f43485786cbeb5fb6cea18eb3407b7d4c7a212a6843b69965de9f577c483c6139840d0f7fe56d69fc8c97e6b0884b75b7aed8d

        • C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

          Filesize

          11KB

          MD5

          cd56e155edf53e5728c46b6c9eb9c413

          SHA1

          14b1b0f090803c9ee39797aed4af13dc7849566d

          SHA256

          70a6cf268c013fb4d907bedc12af3e5f802f179f0cc8353c7b8227dde840d31a

          SHA512

          a4ada455d44a89fd2baa505aa9266b70913967b839522ef5da8d7afd31af6662c3ad96ac3e3531d82a72be7d019c9d88f1ce391c5b5fa0e4422a634c51491165

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_z43fsxvc.elo.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/4852-0-0x00007FFF96EB3000-0x00007FFF96EB5000-memory.dmp

          Filesize

          8KB

        • memory/4852-9-0x00000188B6EE0000-0x00000188B6F02000-memory.dmp

          Filesize

          136KB

        • memory/4852-10-0x00007FFF96EB0000-0x00007FFF97972000-memory.dmp

          Filesize

          10.8MB

        • memory/4852-11-0x00007FFF96EB0000-0x00007FFF97972000-memory.dmp

          Filesize

          10.8MB

        • memory/4852-12-0x00007FFF96EB0000-0x00007FFF97972000-memory.dmp

          Filesize

          10.8MB

        • memory/4852-15-0x00007FFF96EB0000-0x00007FFF97972000-memory.dmp

          Filesize

          10.8MB