Analysis

  • max time kernel
    149s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/11/2026, 08:25

General

  • Target
    2026-11-01_cdcb12388bc9b5fbfb0659456d2daf5f_elex_remcos_wannacry.exe
  • Size 64KB
  • Sample261102-kbew9sty3l
  • SHA256 d60469974618ef94744aa0544fc0551a1664a280ff3668c0397668b8b93fe964
  • 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 9 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 9 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Executes a command shell one-liner 1 TTPs 2 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 5 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 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-11-01_cdcb12388bc9b5fbfb0659456d2daf5f_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-01_cdcb12388bc9b5fbfb0659456d2daf5f_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:4632
    • C:\Windows\{32E0E400-2449-44cd-A653-4240253FDF15}.exe
      C:\Windows\{32E0E400-2449-44cd-A653-4240253FDF15}.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:3692
      • C:\Windows\{548933D7-8235-45ae-AA49-A118C01700E8}.exe
        C:\Windows\{548933D7-8235-45ae-AA49-A118C01700E8}.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1808
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{32E0E~1.EXE > nul
        3⤵
        • 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:\Users\Admin\AppData\Local\Temp\2026-1~1.EXE > nul
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:4132

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {32E0E400-2449-44cd-A653-4240253FDF15}.exe

        • Path C:\Windows\{32E0E400-2449-44cd-A653-4240253FDF15}.exe
        • Size 64KB
        • SHA256 2791aa82c640014a28b1b017b7191c8af68c50310b22ae560b6439c6d2aab021
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {548933D7-8235-45ae-AA49-A118C01700E8}.exe

        • Path C:\Windows\{548933D7-8235-45ae-AA49-A118C01700E8}.exe
        • Size 64KB
        • SHA256 517fe4f01291b4256096d9ae43c90474069cbf2142accabc080aa3ee6a6972c9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1808-13-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3692-5-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3692-8-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3692-11-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4632-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4632-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4632-7-0x0000000000400000-0x0000000000410000-memory.dmp