Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/03/2024, 00:28

General

  • Target

    b3539ef19c283d0c8fc86e19ee189789.exe

  • Size

    75KB

  • MD5

    b3539ef19c283d0c8fc86e19ee189789

  • SHA1

    e8b4cd1651d0a598d8438d8c418fa495b2fe9dfc

  • SHA256

    6c42936a3622c445249955ded10f6ecf2a9bcbfadd9aa825d58f842b4871e453

  • SHA512

    d6281650bb03cabf057ad0927d2af6b612fe77f2e7c1e192847e9c922c63069548d38001d212c2739641a7fe9449b9e7f755cd8949416a66f7c295e3bd635338

  • SSDEEP

    1536:D6fAkH51RDm+4ljVokwZR3t8pk4X9wucneMcyi8uUNXEk:651RDm+45VonZhkHwucnyEV

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 30 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b3539ef19c283d0c8fc86e19ee189789.exe
    "C:\Users\Admin\AppData\Local\Temp\b3539ef19c283d0c8fc86e19ee189789.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1256
    • C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:892
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:892 CREDAT:17410 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:5088
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$30689.bat
      2⤵
        PID:3624
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3592 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2816

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8ZO46T3J\suggestions[1].en-US

              Filesize

              17KB

              MD5

              5a34cb996293fde2cb7a4ac89587393a

              SHA1

              3c96c993500690d1a77873cd62bc639b3a10653f

              SHA256

              c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

              SHA512

              e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

            • C:\Users\Admin\AppData\Local\Temp\$$30689.bat

              Filesize

              181B

              MD5

              9ff639d0580cfc3c5aab34867d3d35dd

              SHA1

              ea150cf0608bab1651d0b226a5e4a1d7b90d8b42

              SHA256

              1491bbb1c506651714a246b9f51aeea213d336f7da33cafb507d715f9d91c90f

              SHA512

              fe077c16c84c60f23452cbf57232e086126d1bb281a73a93fa6617f1344827d32f20ac048a533d2a7fbfe76f6e46e9660aaf9e272bc735bd9e359537417142d5

            • memory/1256-0-0x0000000013140000-0x000000001316C000-memory.dmp

              Filesize

              176KB

            • memory/1256-1-0x0000000013140000-0x000000001316C000-memory.dmp

              Filesize

              176KB

            • memory/1256-5-0x0000000013140000-0x000000001316C000-memory.dmp

              Filesize

              176KB