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Analysis

  • max time kernel
    156s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2022, 20:38

General

  • Target

    249f11c74d8543f008e0e9671fd70b7046c2d9be8ebc1615eae4d3bcb775039b.exe

  • Size

    224KB

  • MD5

    7a78824182bdf536e933aaaf5b11b940

  • SHA1

    816a4ef4f33886dbfba8e2c7b3680e873ecdf364

  • SHA256

    249f11c74d8543f008e0e9671fd70b7046c2d9be8ebc1615eae4d3bcb775039b

  • SHA512

    e3a893f9968bf9bdb44187bbb22ad6a44a26d4fee569eded7b61602f03846305effa3d9302dffdaadf47672b02bd7fe03fa78cb22bc03cabe4ddb2e1b4f9d630

  • SSDEEP

    6144:y0MYF5WYtGlLOrYInY1DxKft5D8v1XqsZ:UYFrtGlLOrBY1Dsftp8dXqA

Score
10/10

Malware Config

Signatures

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

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

  • Adds Run key to start application 2 TTPs 29 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\249f11c74d8543f008e0e9671fd70b7046c2d9be8ebc1615eae4d3bcb775039b.exe
    "C:\Users\Admin\AppData\Local\Temp\249f11c74d8543f008e0e9671fd70b7046c2d9be8ebc1615eae4d3bcb775039b.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:4440
    • C:\Users\Admin\miido.exe
      "C:\Users\Admin\miido.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1156

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\miido.exe

    Filesize

    224KB

    MD5

    5f0e7faafb19d42758c97923b7ebfb39

    SHA1

    07f7eced24eb9326bebd0915bf38d7d6216f3163

    SHA256

    490a736af83f6633b4aef3f6f4b0100be9ba522155e17a94d8af96b062432244

    SHA512

    34de64e3a428c623e33bac0121163820d2be99cee81b712548c553638d3f7a200d98bf6d81136f52ee2432f5d042386db297c393ca065353a73aba3d54a1ffbc

  • C:\Users\Admin\miido.exe

    Filesize

    224KB

    MD5

    5f0e7faafb19d42758c97923b7ebfb39

    SHA1

    07f7eced24eb9326bebd0915bf38d7d6216f3163

    SHA256

    490a736af83f6633b4aef3f6f4b0100be9ba522155e17a94d8af96b062432244

    SHA512

    34de64e3a428c623e33bac0121163820d2be99cee81b712548c553638d3f7a200d98bf6d81136f52ee2432f5d042386db297c393ca065353a73aba3d54a1ffbc