Analysis

  • max time kernel
    15s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 01:30

General

  • Target

    2024-12-18_e77b17460e9174ca86145bcdf460ad77_ryuk.exe

  • Size

    4.1MB

  • MD5

    e77b17460e9174ca86145bcdf460ad77

  • SHA1

    a7eb88f9198eccc338f0deed8bd7cf3511d5639d

  • SHA256

    ee3398bef56528ab467234c1e1cda885656a3c853d28f0ac4a6a660cf13a246e

  • SHA512

    066926af4dcc1bbeca80bd9ad1ba51708b1348398dbf5cc703104b96a366d8185860c8bec7e077250852819c90d7735d8a0ca69f5e5c8a9a549342e5d5aea5db

  • SSDEEP

    49152:Xl4UjB0jUuXwCMh4Y9SH3nzth5D+pH/BOvdSZARtFvBA:14UjKguFA

Score
5/10

Malware Config

Signatures

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-18_e77b17460e9174ca86145bcdf460ad77_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-18_e77b17460e9174ca86145bcdf460ad77_ryuk.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:392
    • C:\Users\Admin\AppData\Local\Temp\2024-12-18_e77b17460e9174ca86145bcdf460ad77_ryuk.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-12-18_e77b17460e9174ca86145bcdf460ad77_ryuk.exe"
      2⤵
        PID:1356

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/1356-2-0x000007FFFFFDB000-0x000007FFFFFDC000-memory.dmp

      Filesize

      4KB