Analysis

  • max time kernel
    152s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2022 11:58

General

  • Target

    2404a64dc7eb01e38b3925e5a804f728a2ff0c91ffdad0169b44ffa30310ebe3.exe

  • Size

    1.1MB

  • MD5

    3eaddb3179329c7da894faceb195e8f7

  • SHA1

    4df9a59f4d8157f08e8668e396993e67b3798adc

  • SHA256

    2404a64dc7eb01e38b3925e5a804f728a2ff0c91ffdad0169b44ffa30310ebe3

  • SHA512

    066ff9953464a020e69a6a4de4ececa2d30236dc3829b16e3965f2b579f21f1613e523f2e3d5b7e8e0b5f458ef4214a49cc8d0fa01e8d7db8617d96aafe56cf7

  • SSDEEP

    24576:KJeJfAqkjp98zHpieToVKkSBcJ9nPx/igrp:geJfAJGpL8VKBsnP8

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Disables RegEdit via registry modification 2 IoCs
  • Disables Task Manager via registry modification
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • AutoIT Executable 2 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 8 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2404a64dc7eb01e38b3925e5a804f728a2ff0c91ffdad0169b44ffa30310ebe3.exe
    "C:\Users\Admin\AppData\Local\Temp\2404a64dc7eb01e38b3925e5a804f728a2ff0c91ffdad0169b44ffa30310ebe3.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Disables RegEdit via registry modification
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4868
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /C AT /delete /yes
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4584
      • C:\Windows\SysWOW64\at.exe
        AT /delete /yes
        3⤵
          PID:3244
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\svchost .exe
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3508
        • C:\Windows\SysWOW64\at.exe
          AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\svchost .exe
          3⤵
            PID:612

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/4868-132-0x0000000000400000-0x00000000004BA000-memory.dmp

        Filesize

        744KB

      • memory/4868-137-0x0000000000400000-0x00000000004BA000-memory.dmp

        Filesize

        744KB