Analysis

  • max time kernel
    80s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/06/2023, 04:17

General

  • Target

    yarrdisassembly.asm

  • Size

    31KB

  • MD5

    8ea62c10ca63e43c4bfdd892b24c4648

  • SHA1

    9fda74b764b6c8f94488221e0ea9cc31e951a0c5

  • SHA256

    74fe00e6fdc73fc082553e31b9038969df858ae93e099465f15bdf071b4e2c18

  • SHA512

    e92b1d0f3dfa5cd63d8a961e5320d5841896f74702142a934ca754d70412178bde8a45cdeb9031b4be1f417822013f0e6de59e342f9422f3417f8bad62258845

  • SSDEEP

    768:dIK9zE2X3nmhKiXPN0MX+I98KA4XOrNNrO2kbNs:dIK9zE2X3nmhKi/N0MX+I9DOrNNrOZbm

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\yarrdisassembly.asm
    1⤵
    • Modifies registry class
    PID:692
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4572

Network

        MITRE ATT&CK Enterprise v6

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        Downloads