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Analysis

  • max time kernel
    130s
  • max time network
    203s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    16/05/2024, 00:25

General

  • Target

    ClStPaEx - NR.rar

  • Size

    398.6MB

  • MD5

    51709a87a2ffa61868ef2284fd859ac1

  • SHA1

    dfb796fc3ead9ed8d78fe8c279f2b7cd11800ee1

  • SHA256

    1d164f9f39541096a4adb9eb94aad98a87d675ff20b02035ab2c305670a4f3bc

  • SHA512

    977b0777bdddde3cba8f4dc609c93ef78a8294214b6c2e0b51337e031d9acfafb9d2f774ea6eda6616dc3aac9bebae6ffd67311f2335815677a3917dd59658f1

  • SSDEEP

    12582912:JU15qWJEm3lP2OIP6/fdK0fTMyUfO5GhxApp0Kb:JUnxfYOSiVKu+O5wKb

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 16 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\ClStPaEx - NR.rar"
    1⤵
    • Modifies registry class
    PID:1500
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:248
    • C:\Program Files\7-Zip\7zG.exe
      "C:\Program Files\7-Zip\7zG.exe" "C:\Users\Admin\AppData\Local\Temp\ClStPaEx - NR.rar"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:5096
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4856

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads