Overview

overview

9

Static

static

3

loader (2).exe

windows10-2004-x64

9

loader (2).exe

windows11-ltsc_2024-x64

9

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/11/2026, 17:47

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General

  • Target
    loader (2).exe
  • Size 215KB
  • Sample261107-wc5d4azyf1
  • SHA256 d597ccb94a6401a9a8dfddb2ca10675866c6ed205bd8896ae568e9d4aab620ed
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasionexecutionpersistenceprivilege_escalationransomware

Malware Config

Signatures

  • Renames multiple (125) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Adds policy Run key to start application 2 TTPs 4 IoCs
    persistence
  • Disables Task Manager via registry modification
    defense_evasion
  • Creates a file in the Startup directory 1 TTPs 3 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    persistenceprivilege_escalation
  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
    persistence
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • System policy modification 1 TTPs 4 IoCs
    defense_evasion
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\loader (2).exe
    "C:\Users\Admin\AppData\Local\Temp\loader (2).exe"
    1⤵
    • Adds policy Run key to start application
    • Creates a file in the Startup directory
    • Adds Run key to start application
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1984
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks.exe /create /f /tn "Microsoft\Windows\GdiHost" /tr ""C:\Users\Admin\AppData\Roaming\Microsoft\Windows\GdiHost\gdihost.exe"" /sc onlogon /rl highest
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:5712
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\GdiHost\wguard.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\GdiHost\wguard.exe" --guard
      2⤵
      • Adds policy Run key to start application
      • Creates a file in the Startup directory
      • Executes dropped EXE
      • Adds Run key to start application
      • System policy modification
      PID:5984
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\GdiHost\gdihost.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\GdiHost\gdihost.exe
    1⤵
    • Executes dropped EXE
    PID:3972
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\GdiHost\gdihost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\GdiHost\gdihost.exe"
    1⤵
    • Executes dropped EXE
    PID:2304
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:1092

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          manifest.dat
          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\GdiHost\manifest.dat
          • Size 27KB
          • SHA256 03c47cae95e0ca3343cbecb2f5aee71538bda1bc9717b737d981bda7d5ecdf2b
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          wguard.exe
          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\GdiHost\wguard.exe
          • Size 215KB
          • SHA256 d597ccb94a6401a9a8dfddb2ca10675866c6ed205bd8896ae568e9d4aab620ed
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          AddCopy.ini.lockr
          • Path C:\Users\Admin\Downloads\AddCopy.ini.lockr
          • Size 890KB
          • SHA256 c950410c96447d74acc9f34fc13a12b1def43d506855386a685c90cadfea521d
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ConvertFromRegister.wav.lockr
          • Path C:\Users\Admin\Downloads\ConvertFromRegister.wav.lockr
          • Size 638KB
          • SHA256 a3369b5e0e8b446f91b98ebd13bc2c1bd05916f251f282d95b7d34117eb54c0c
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          CopyHide.wps.lockr
          • Path C:\Users\Admin\Downloads\CopyHide.wps.lockr
          • Size 848KB
          • SHA256 10bf07330f4bd5dd3f58c6a241d8843bc546647f3f5d8446e565f25bebcd74f6
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download