Analysis

  • max time kernel
    0s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240704-en
  • resource tags

    arch:x64arch:x86image:win11-20240704-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    05-07-2024 04:32

General

  • Target

    newdcnyash/data/RarExt.dll

  • Size

    544KB

  • MD5

    1f3bb0f89e7cd67a76220ea2e3e7d8c6

  • SHA1

    0286863ca947b00a4e3489f07e1cddf9faddb87a

  • SHA256

    68ecb747f523d122c1c2094b3fb6035f7f76fbd948a97e3d42ee526824546fec

  • SHA512

    a95611f7b4cc7a3e5b9412d0c7e16616039c7152102b35aa8f672f15d21ff2478486c7a411d25d8f8d7b713a9bbd50f2a68bd048a6296a72ed4404c6cbb468ff

  • SSDEEP

    12288:6aw1L7U6Qu1rTGl74V7pt21DIwd2gOuy33SH9Bd3X3u1EZ:6aw1L7U6Qu1rTAEV7p1wd2ZuWA9Bd3XL

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\newdcnyash\data\RarExt.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4700
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\newdcnyash\data\RarExt.dll,#1
      2⤵
        PID:3716

    Network

    MITRE ATT&CK Matrix ATT&CK v13

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    Downloads