Analysis

  • max time kernel
    298s
  • max time network
    269s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/07/2026, 02:45

General

  • Target
    ryujinx/dsetup_orig.dll
  • Size 93KB
  • Sample260710-c8y3eact2m
  • SHA256 2a61679eeedabf7d0d0ac14e5447486575622d6b7cfa56f136c1576ff96da21f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\ryujinx\dsetup_orig.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2832
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ryujinx\dsetup_orig.dll,#1
      2⤵
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      PID:4300
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 648
        3⤵
        • Program crash
        PID:4244
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4300 -ip 4300
    1⤵
      PID:2324

    Network

          MITRE ATT&CK Enterprise v16

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