Analysis

  • max time kernel
    27s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/09/2026, 16:08

General

  • Target
    2026-09-29_dae38a1629d91f4934d3fd932a3a1c29_chaos_destroyer_elex_glassworm_wannacry.exe
  • Size 23KB
  • Sample260930-tlmvaszbre
  • SHA256 fb576cc3a52165b0efbace778db871d3915013d274827a7257895e423819d368
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Path
  • C:\Users\Admin\Documents\read_it.txt

  • chaos

Ransom Note
  • ----> Chaos is multi language ransomware. Translate your note to any language <---- All of your files have been encrypted Your computer was infected with a ransomware virus. Your files have been encrypted and you won't be able to decrypt them without our help.What can I do to get my files back?You can buy our special decryption software, this software will allow you to recover all of your data and remove the ransomware from your computer.The price for the software is $1,500. Payment can be made in Bitcoin only. How do I pay, where do I get Bitcoin? Purchasing Bitcoin varies from country to country, you are best advised to do a quick google search yourself to find out how to buy Bitcoin. Many of our customers have reported these sites to be fast and reliable: Coinmama - hxxps://www.coinmama.com Bitpanda - hxxps://www.bitpanda.com Payment informationAmount: 0.1473766 BTC Bitcoin Address: bc1qlnzcep4l4ac0ttdrq7awxev9ehu465f2vpt9x0

Signatures

  • Family: Chaos

    Ransomware family first seen in June 2021.

  • Chaos Ransomware 2 IoCs
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Detects command variations typically used by ransomware 2 IoCs
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
  • Renames multiple (147) files with added filename extension

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

  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

  • Creates a file in the Startup directory 1 TTPs 1 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.

  • Executes a file named after a Windows system binary 1 TTPs 2 IoCs

    The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 14 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 3 IoCs

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

  • Interacts with shadow copies 3 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 63 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-29_dae38a1629d91f4934d3fd932a3a1c29_chaos_destroyer_elex_glassworm_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-29_dae38a1629d91f4934d3fd932a3a1c29_chaos_destroyer_elex_glassworm_wannacry.exe"
    1⤵
    • Executes a file named after a Windows system binary
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3352
    • C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.exe"
      2⤵
      • Creates a file in the Startup directory
      • Executes a file named after a Windows system binary
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4940
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C vssadmin delete shadows /all /quiet & wmic shadowcopy delete
        3⤵
        • Executes a command shell one-liner
        PID:3316
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:4232
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          4⤵
            PID:4904
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no
          3⤵
          • Executes a command shell one-liner
          PID:4216
          • C:\Windows\system32\bcdedit.exe
            bcdedit /set {default} bootstatuspolicy ignoreallfailures
            4⤵
            • Modifies boot configuration data using bcdedit
            PID:608
          • C:\Windows\system32\bcdedit.exe
            bcdedit /set {default} recoveryenabled no
            4⤵
            • Modifies boot configuration data using bcdedit
            PID:4680
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /C wbadmin delete catalog -quiet
          3⤵
          • Executes a command shell one-liner
          PID:1924
          • C:\Windows\system32\wbadmin.exe
            wbadmin delete catalog -quiet
            4⤵
            • Deletes backup catalog
            PID:3504
        • C:\Windows\system32\NOTEPAD.EXE
          "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\read_it.txt
          3⤵
          • Opens file in notepad (likely ransom note)
          PID:1736
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
        PID:3508
      • C:\Windows\system32\wbengine.exe
        "C:\Windows\system32\wbengine.exe"
        1⤵
          PID:4184
        • C:\Windows\System32\vdsldr.exe
          C:\Windows\System32\vdsldr.exe -Embedding
          1⤵
            PID:4708
          • C:\Windows\System32\vds.exe
            C:\Windows\System32\vds.exe
            1⤵
              PID:3220

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  svchost.exe

                  • Path C:\Users\Admin\AppData\Roaming\svchost.exe
                  • Size 23KB
                  • SHA256 fb576cc3a52165b0efbace778db871d3915013d274827a7257895e423819d368
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  read_it.txt

                  • Path C:\Users\Admin\Documents\read_it.txt
                  • Size 964B
                  • SHA256 7d767e907be373c680d1f7884d779588eb643bebb3f27bf3b5ed4864aa4d8121
                  • MD5 SHA1 SHA512 TLSH

                  memory/3352-6-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp

                  memory/3352-11-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp

                  memory/3352-4-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp

                  memory/3352-5-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp

                  memory/3352-1-0x0000000000920000-0x000000000092C000-memory.dmp

                  memory/3352-7-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp

                  memory/3352-0-0x00007FFF70B7F000-0x00007FFF70B80000-memory.dmp

                  memory/3352-2-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp

                  memory/3352-3-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp

                  memory/4940-13-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp

                  memory/4940-14-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp

                  memory/4940-9-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp

                  memory/4940-12-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp

                  memory/4940-15-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp

                  memory/4940-16-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp

                  memory/4940-17-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp

                  memory/4940-10-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp

                  memory/4940-146-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp

                  memory/4940-158-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp

                  memory/4940-169-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp

                  memory/4940-254-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp

                  memory/4940-255-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp

                  memory/4940-340-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp

                  memory/4940-341-0x00007FFF709F0000-0x00007FFF71394000-memory.dmp