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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 14:18

General

  • Target

    24e4942f54633aa4c234b1357ceb8f28.exe

  • Size

    168KB

  • MD5

    24e4942f54633aa4c234b1357ceb8f28

  • SHA1

    a4e4a4dfbf39764d0ffff84b37ac52421a2ef8e5

  • SHA256

    d5688cad19b1eded8e1e438988b50100af82f582d9bcb11174579647b286a82d

  • SHA512

    6106dfc68079b679afd1a1091ed82271f5fdba0336d311c247943589fc4334857592740b71401659910897e06e6d8e2d0f4c3ac5c84c23df4429aada51900a7a

  • SSDEEP

    768:SpMHzhInsEnBJNVVutayVpSQKjdbyo/SkL6fYYhXJwYMIifzEhEL7WIX:SpMTM7nFVDyxo/SkL6fxWFd0E/T

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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 50 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\24e4942f54633aa4c234b1357ceb8f28.exe
    "C:\Users\Admin\AppData\Local\Temp\24e4942f54633aa4c234b1357ceb8f28.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Users\Admin\znpoax.exe
      "C:\Users\Admin\znpoax.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
      • Suspicious use of WriteProcessMemory
      PID:960

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\znpoax.exe

    Filesize

    92KB

    MD5

    103d4914b143b2b16e4cb3eca73e23c6

    SHA1

    3f8e3332bd545b08c8f7a5263ed9761f657f4479

    SHA256

    8472331699580db27cf705e40e50fa4b9b1d6b1e9de06e3dcb091a2de98a4045

    SHA512

    1096b721fea56e8f6b6e88b6757b1a12c98c5899dd8274b21a3ffe43a8cc9c908e636372082b6ab7ab7884dd80023e2f67ba7eb0a7fee23af38a415b1bfc232c