Analysis

  • max time kernel
    84s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231025-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/11/2023, 16:04

General

  • Target

    NEAS.1f190c000914a054df750e8eff731fa0.exe

  • Size

    88KB

  • MD5

    1f190c000914a054df750e8eff731fa0

  • SHA1

    75f1a956b3cffae7eb91d63f7813973515d2f2e5

  • SHA256

    8b498b4edc02d02b1e478c556ac6c64fd24832c8c4565af699164908fdcf987c

  • SHA512

    118c248828104a550a9c542e4ef6cfd167462f92bff761d498b282f1e1ce7f4a69d6a3afecf55ac4c6baa6528900d002262121b402dce64c1d295198298ae734

  • SSDEEP

    1536:h/Qw1NHkaglFEJ71b/gYmHVwrESNQdGV4Hj:BQGGiJ71bkXGsj

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 54 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.1f190c000914a054df750e8eff731fa0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.1f190c000914a054df750e8eff731fa0.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4344
    • C:\Users\Admin\veauzas.exe
      "C:\Users\Admin\veauzas.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:1152

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\veauzas.exe

          Filesize

          88KB

          MD5

          637387988c012388784e71dff8352247

          SHA1

          a641aab9130d5458422366018cc5489ace793ffd

          SHA256

          5d0e974424101f4067577fe8758ff1c9fa258e04b1489c12d1a8518d127444bd

          SHA512

          c7eae6a813e432e88c3b1fdb4188074d01e8bbc4d756c0eb59f8f57b659c38037c838734fa033606842d3af0108730890402db3e6aa7a791b969c6beda92a9e8

        • C:\Users\Admin\veauzas.exe

          Filesize

          88KB

          MD5

          637387988c012388784e71dff8352247

          SHA1

          a641aab9130d5458422366018cc5489ace793ffd

          SHA256

          5d0e974424101f4067577fe8758ff1c9fa258e04b1489c12d1a8518d127444bd

          SHA512

          c7eae6a813e432e88c3b1fdb4188074d01e8bbc4d756c0eb59f8f57b659c38037c838734fa033606842d3af0108730890402db3e6aa7a791b969c6beda92a9e8

        • C:\Users\Admin\veauzas.exe

          Filesize

          88KB

          MD5

          637387988c012388784e71dff8352247

          SHA1

          a641aab9130d5458422366018cc5489ace793ffd

          SHA256

          5d0e974424101f4067577fe8758ff1c9fa258e04b1489c12d1a8518d127444bd

          SHA512

          c7eae6a813e432e88c3b1fdb4188074d01e8bbc4d756c0eb59f8f57b659c38037c838734fa033606842d3af0108730890402db3e6aa7a791b969c6beda92a9e8