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Analysis

  • max time kernel
    143s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/01/2024, 04:56

General

  • Target

    2024-01-23_08a825f5fed9b6bd16644ebd8aeefc17_ryuk.exe

  • Size

    1.0MB

  • MD5

    08a825f5fed9b6bd16644ebd8aeefc17

  • SHA1

    1bad8da4ff863e741bd774f1fdf2c3eff866807d

  • SHA256

    c478cb21d5defe60dd2b715aaf04a9785108c5e91c8db0712866b04b7fc330b7

  • SHA512

    7d52fb06e473c6510829cb31ad7ec31f28e7633c91696bfc86be03bc60c9099805553acfb642cc405196ff917f4201091caf939614f69af50d56f1943627d18c

  • SSDEEP

    24576:N6V6nC/AyqGizWCaFbyMsdZCA6N3Q6itdsOeg:N6cNGizWCaFb9sdZz6N3Q6itmOH

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-01-23_08a825f5fed9b6bd16644ebd8aeefc17_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-23_08a825f5fed9b6bd16644ebd8aeefc17_ryuk.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4032

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/4032-0-0x0000000140000000-0x000000014010E000-memory.dmp

    Filesize

    1.1MB

  • memory/4032-1-0x0000000000910000-0x0000000000970000-memory.dmp

    Filesize

    384KB

  • memory/4032-7-0x0000000000910000-0x0000000000970000-memory.dmp

    Filesize

    384KB

  • memory/4032-10-0x0000000000910000-0x0000000000970000-memory.dmp

    Filesize

    384KB

  • memory/4032-12-0x0000000140000000-0x000000014010E000-memory.dmp

    Filesize

    1.1MB