Analysis

  • max time kernel
    152s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/03/2024, 01:25

General

  • Target

    b781086793945cda72dd8840a67ee6bcc1d1cd2a90ac1b7bd489157165e77422.exe

  • Size

    88KB

  • MD5

    e3ce497d459182b2fb3d538e9375dcd2

  • SHA1

    1a9191d696607bc56091b65c92b281e036ff8ef3

  • SHA256

    b781086793945cda72dd8840a67ee6bcc1d1cd2a90ac1b7bd489157165e77422

  • SHA512

    349ed90b0494c134ecf191c4debc175baa2bca17a12c3c493f99acd2e4c53fabecba2f535240eab9054d238efc0b6c8c6d4f7488e9656c682f59a8003b74178a

  • SSDEEP

    768:vAP68qOJ+TtIjwHpFeh6gM1rA8dOsc7jUq4RkA5o3K1DfsvtzsXjLft+9o1mm:vAPHqlZI0LFjnAzA5o6BfItoXjLl0hm

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 27 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\b781086793945cda72dd8840a67ee6bcc1d1cd2a90ac1b7bd489157165e77422.exe
    "C:\Users\Admin\AppData\Local\Temp\b781086793945cda72dd8840a67ee6bcc1d1cd2a90ac1b7bd489157165e77422.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:2224
    • C:\Users\Admin\booeroc.exe
      "C:\Users\Admin\booeroc.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:1460
  • 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=4172 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:928

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\booeroc.exe

            Filesize

            88KB

            MD5

            614b84b8d7652f9798b6b82f8f085324

            SHA1

            4ef2bfdb4124b2eb1181856d53cb79d2b9d8128a

            SHA256

            1c59710b20dce9cbfe14fef8397b75afa056fb2b6bdd06a8fe476c8d83203165

            SHA512

            719d0013db865898d7b6ed2ab882e3fd34dcbbf2b33f5b3220bb3085363eeded84f7154d507d153ec59ef59ce36239796835b75a42f58484343c170d8383445e