Overview

overview

3

Static

static

3

windows2/W...ci.exe

windows10-ltsc_2021-x64

1

windows2/app.xml

windows10-ltsc_2021-x64

3

windows2/main.cs

windows10-ltsc_2021-x64

3

Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260130-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260130-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    17/04/2026, 14:56

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General

  • Target
    windows2/main.cs
  • Size 1005B
  • Sample260417-sa76escy21
  • SHA256 16b24b435264df2a38dbea48cea7c556c635d31366611fefbf3b2d3b9830c87d
  • MD5 SHA1 SHA512 TLSH
Score
3/10
ransomware

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 2 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 29 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\windows2\main.cs
    1⤵
    • Modifies registry class
    PID:4920
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:6104
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\windows2\main.cs
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:4776

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        memory/4776-2-0x0000023FDC460000-0x0000023FDC510000-memory.dmp
        Download

        memory/4920-0-0x000001B193D60000-0x000001B193E10000-memory.dmp
        Download

        memory/6104-1-0x00000231CB970000-0x00000231CBA20000-memory.dmp
        Download