Analysis

  • max time kernel
    149s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 01:11

General

  • Target

    7caba53a9364b6125337b47b631ed492182cd7c95e60e76b312890924d7e36b7.exe

  • Size

    92KB

  • MD5

    55eb1a15d3642b734de12e5ec95297a0

  • SHA1

    e62b2ae07bba006301394fc14dd012b33b0e3d90

  • SHA256

    7caba53a9364b6125337b47b631ed492182cd7c95e60e76b312890924d7e36b7

  • SHA512

    8f5e2513bd226b76b6b3550c1589596c12bbfad2b99ed2d375efd99c94d330170cc944b637bc4e47500fd0b2f4c3aad8193858035d6e61f01f15b9909381b9a0

  • SSDEEP

    1536:GqEFtOXsgnZ7QaI076EXJ/kMkRWnSRIsMFWFii3JXqkJZXpvDmNmo0W:g/OFKpNo0W

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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\7caba53a9364b6125337b47b631ed492182cd7c95e60e76b312890924d7e36b7.exe
    "C:\Users\Admin\AppData\Local\Temp\7caba53a9364b6125337b47b631ed492182cd7c95e60e76b312890924d7e36b7.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3504
    • C:\Users\Admin\niowao.exe
      "C:\Users\Admin\niowao.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\niowao.exe

    Filesize

    92KB

    MD5

    1fc84bbe3457f625d8e2b366d84e383f

    SHA1

    ccca5cfaa3fdee4e49572b8709965802d515b654

    SHA256

    411d946d5664509bfb978b42adfa18a5bf6ab57867ccdf3b3e80d0e4e171ebb4

    SHA512

    055e7dc2dccd5d266935f6149a301b7b87927d03926bd866ca848d86cd17a2a048a76f223d0b18c7e73da5f2cdb5bf87564a0313ef38336465a5cf5b30e92d00