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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/01/2025, 08:07

General

  • Target

    Ryuk .Net Ransomware Builder.exe

  • Size

    287KB

  • MD5

    b20d5ada2e81683bda32aa80cd71c025

  • SHA1

    1ab3daa872761d887ef0be9ace528ee323201211

  • SHA256

    0d8b4a07e91e02335f600332644e8f0e504f75ab19899a58b2c85ecb0887c738

  • SHA512

    94da5ae4e43e6b0fdc8d0a83d8a3f2991a47b6e12f6781cc6aecb2d8d97a2d0da6dc456e3618c1a36697862e1a7a50b27a036b3569f33889452fe921c6981d91

  • SSDEEP

    3072:GVgr8/vRx5cCPaEy3YxB+DV0Ugr8/vfx:GSrS/yKrS

Score
10/10

Malware Config

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

  • Chaos Ransomware 1 IoCs
  • Chaos family

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ryuk .Net Ransomware Builder.exe
    "C:\Users\Admin\AppData\Local\Temp\Ryuk .Net Ransomware Builder.exe"
    1⤵
      PID:2160

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2160-0-0x00007FF976223000-0x00007FF976225000-memory.dmp

      Filesize

      8KB

    • memory/2160-1-0x0000000000020000-0x000000000006E000-memory.dmp

      Filesize

      312KB

    • memory/2160-2-0x00007FF976220000-0x00007FF976CE1000-memory.dmp

      Filesize

      10.8MB

    • memory/2160-3-0x00007FF976220000-0x00007FF976CE1000-memory.dmp

      Filesize

      10.8MB

    • memory/2160-4-0x00007FF976220000-0x00007FF976CE1000-memory.dmp

      Filesize

      10.8MB

    • memory/2160-5-0x00007FF976223000-0x00007FF976225000-memory.dmp

      Filesize

      8KB

    • memory/2160-6-0x00007FF976220000-0x00007FF976CE1000-memory.dmp

      Filesize

      10.8MB