Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    24/10/2026, 22:45

General

  • Target
    2026-10-22_0652524a6305a4aff003d8bba187dd44_elex_remcos_wannacry.exe
  • Size 64KB
  • Sample261024-2prlnacy2x
  • SHA256 7a4a848feacf2f7aec79426ec98690d0ec08fdb5a6ee56a9d9845bd2e98e0891
  • 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 8 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 8 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\2026-10-22_0652524a6305a4aff003d8bba187dd44_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-22_0652524a6305a4aff003d8bba187dd44_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:2616
    • C:\Windows\{EE5FD618-B4B8-4c17-BA3F-7D21FC1026C8}.exe
      C:\Windows\{EE5FD618-B4B8-4c17-BA3F-7D21FC1026C8}.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:408
      • C:\Windows\{8943651D-4D9A-4f0d-B9F0-0D687EBB4D82}.exe
        C:\Windows\{8943651D-4D9A-4f0d-B9F0-0D687EBB4D82}.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2080
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{EE5FD~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:1948
    • 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:5072

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {8943651D-4D9A-4f0d-B9F0-0D687EBB4D82}.exe

        • Path C:\Windows\{8943651D-4D9A-4f0d-B9F0-0D687EBB4D82}.exe
        • Size 64KB
        • SHA256 50a8959e71971a70a09bedbdcf42a36b440383c8b0c3215f321a79d71da88dc0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {EE5FD618-B4B8-4c17-BA3F-7D21FC1026C8}.exe

        • Path C:\Windows\{EE5FD618-B4B8-4c17-BA3F-7D21FC1026C8}.exe
        • Size 64KB
        • SHA256 453a1adae320dd9d6097234e370e149a1e55894ba972f22a30a770a704e89709
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/408-5-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/408-11-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2080-12-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2616-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2616-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2616-6-0x0000000000400000-0x0000000000410000-memory.dmp