Analysis

  • max time kernel
    21s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/10/2026, 02:06

General

  • Target
    Discospinsterium.exe
  • Size 149KB
  • Sample261024-cjsjbsww3r
  • SHA256 f03fbb2c071268b11ca7f4d54375e1ecbb9d3c44a5d97c110bfc721b5fdf0bcf
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Disables Task Manager via registry modification
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Modifies registry key 1 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Discospinsterium.exe
    "C:\Users\Admin\AppData\Local\Temp\Discospinsterium.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3676
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c REG ADD hkcu\Software\Microsoft\Windows\CurrentVersion\policies\system /v DisableTaskMgr /t reg_dword /d 1 /f
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4392
      • C:\Windows\SysWOW64\reg.exe
        REG ADD hkcu\Software\Microsoft\Windows\CurrentVersion\policies\system /v DisableTaskMgr /t reg_dword /d 1 /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:4172
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c REG ADD hkcu\Software\Microsoft\Windows\CurrentVersion\policies\explorer /v NoRun /t reg_dword /d 1 /f
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2616
      • C:\Windows\SysWOW64\reg.exe
        REG ADD hkcu\Software\Microsoft\Windows\CurrentVersion\policies\explorer /v NoRun /t reg_dword /d 1 /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:5244
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x00000000000004D0 0x00000000000004E4
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4588

Network

        MITRE ATT&CK Enterprise v16

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        Downloads