Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-04-2024 12:19

General

  • Target

    2024-04-22_b91d0adb50b35082c60f00c9bc9c7f02_ryuk.exe

  • Size

    1.7MB

  • MD5

    b91d0adb50b35082c60f00c9bc9c7f02

  • SHA1

    63b6faf8585a7a7f594086d660b140d09243e4f9

  • SHA256

    c5fcd3492a49066ad1d479902fdb5b4e167b7eaa375684e5c0f91244bd4365af

  • SHA512

    b853eedd889e0cbde7ccfbe3215efa523c46870534146926dd551e2008123f24246d383414af0e9b902d87021ebef32fe5417aa2bcd2213d0eee6310264e7cd4

  • SSDEEP

    24576:pgtHU0FjpVPt7AeUVIGGUZhRxHh2W4G0SkQ/7Gb8NLEbeZ:pgtHUujpj7AewZdZhRdhEukQ/qoLEw

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\2024-04-22_b91d0adb50b35082c60f00c9bc9c7f02_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-22_b91d0adb50b35082c60f00c9bc9c7f02_ryuk.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4536

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/4536-0-0x0000000000710000-0x0000000000770000-memory.dmp

    Filesize

    384KB

  • memory/4536-2-0x0000000140000000-0x00000001401B9000-memory.dmp

    Filesize

    1.7MB

  • memory/4536-7-0x0000000000710000-0x0000000000770000-memory.dmp

    Filesize

    384KB

  • memory/4536-9-0x0000000000710000-0x0000000000770000-memory.dmp

    Filesize

    384KB

  • memory/4536-11-0x0000000140000000-0x00000001401B9000-memory.dmp

    Filesize

    1.7MB