Analysis

  • max time kernel
    149s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    21/10/2026, 02:53

General

  • Target
    2026-10-19_17fb1dd832d27551ecccbc0a566ba440_elex_remcos_wannacry.exe
  • Size 64KB
  • Sample261021-ddk3qsyshs
  • SHA256 1f214b035e90407259b6e51f9846f052dca3e5e0456b1c028cf3d6529149ae8f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Stormser, StormDDoS, StormAttack, Stormer

    Stormser aka StormDDoS, StormAttack, and Stormer is a Windows worm written in C++.

  • Detects Stormser aka Storm DDoS and StormAttack 17 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 17 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 10 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Drops file in Windows directory 5 IoCs
  • Executes a command shell one-liner 1 TTPs 5 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-19_17fb1dd832d27551ecccbc0a566ba440_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-19_17fb1dd832d27551ecccbc0a566ba440_elex_remcos_wannacry.exe"
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5052
    • C:\Windows\{36FEE35D-125A-4dda-BE01-2FC8C5357210}.exe
      C:\Windows\{36FEE35D-125A-4dda-BE01-2FC8C5357210}.exe
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4868
      • C:\Windows\{3C15E216-32FF-4317-812B-E4E8DFDDF977}.exe
        C:\Windows\{3C15E216-32FF-4317-812B-E4E8DFDDF977}.exe
        3⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Executes dropped EXE
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2848
        • C:\Windows\{E9B14259-EC1B-48a0-8B40-912CF7242886}.exe
          C:\Windows\{E9B14259-EC1B-48a0-8B40-912CF7242886}.exe
          4⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Executes dropped EXE
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3484
          • C:\Windows\{E7244D18-078E-47a3-A800-5D03D0EF2D3A}.exe
            C:\Windows\{E7244D18-078E-47a3-A800-5D03D0EF2D3A}.exe
            5⤵
            • Boot or Logon Autostart Execution: Active Setup
            • Executes dropped EXE
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2964
            • C:\Windows\{2E7D2F7F-5618-42df-B304-94DD5B172ECB}.exe
              C:\Windows\{2E7D2F7F-5618-42df-B304-94DD5B172ECB}.exe
              6⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              PID:4572
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{E7244~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:3152
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{E9B14~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:2624
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{3C15E~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:5188
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{36FEE~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:3656
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2026-1~1.EXE > nul
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:3108

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {2E7D2F7F-5618-42df-B304-94DD5B172ECB}.exe

        • Path C:\Windows\{2E7D2F7F-5618-42df-B304-94DD5B172ECB}.exe
        • Size 64KB
        • SHA256 4453de189046633517b331f788b0f192545439c80e763d4665501e0ce6d311a9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {36FEE35D-125A-4dda-BE01-2FC8C5357210}.exe

        • Path C:\Windows\{36FEE35D-125A-4dda-BE01-2FC8C5357210}.exe
        • Size 64KB
        • SHA256 05c5267a13fe65f8f0e4126ca0654134d7b99535ec632255449b3b0cbb8e2cdb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3C15E216-32FF-4317-812B-E4E8DFDDF977}.exe

        • Path C:\Windows\{3C15E216-32FF-4317-812B-E4E8DFDDF977}.exe
        • Size 64KB
        • SHA256 93c41f06f983fa2650c6b21bd5798bf44b376841ab2b808d193031c827ae3863
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E7244D18-078E-47a3-A800-5D03D0EF2D3A}.exe

        • Path C:\Windows\{E7244D18-078E-47a3-A800-5D03D0EF2D3A}.exe
        • Size 64KB
        • SHA256 3a763a95c9a73a3435f455bf56dd54bf5d85cbb9a2231d9ffc63005fc191d625
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E9B14259-EC1B-48a0-8B40-912CF7242886}.exe

        • Path C:\Windows\{E9B14259-EC1B-48a0-8B40-912CF7242886}.exe
        • Size 64KB
        • SHA256 aaa771d43e4a800c6ac807789831138add9df646905b3616f70044288b96e980
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2848-12-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2848-18-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2964-24-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2964-28-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3484-19-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3484-22-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4572-30-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4868-11-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4868-5-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5052-7-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5052-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5052-1-0x0000000000400000-0x0000000000410000-memory.dmp