Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/09/2026, 03:31

General

  • Target
    2026-09-29_309a0e1f465c5523572ca784aa183407_elex_remcos_rincux_wannacry.exe
  • Size 60KB
  • Sample260930-d3dd7atekc
  • SHA256 9d9b0d150c594355e0ab32cf3cc55951a8498003ff1626c6ef972bdffacf08c9
  • 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 6 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 6 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 12 IoCs

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

  • Executes dropped EXE 6 IoCs
  • Drops file in Windows directory 6 IoCs
  • Executes a command shell one-liner 1 TTPs 6 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 13 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 6 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-09-29_309a0e1f465c5523572ca784aa183407_elex_remcos_rincux_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-29_309a0e1f465c5523572ca784aa183407_elex_remcos_rincux_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:4692
    • C:\Windows\{990BA544-13A6-40af-AEB4-AA31289B0B08}.exe
      C:\Windows\{990BA544-13A6-40af-AEB4-AA31289B0B08}.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:4244
      • C:\Windows\{3275ABC2-4B3E-4e1c-AB49-A7DB506AFC54}.exe
        C:\Windows\{3275ABC2-4B3E-4e1c-AB49-A7DB506AFC54}.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:3828
        • C:\Windows\{F6D49E17-E141-4453-A4F9-7D3A600ADE04}.exe
          C:\Windows\{F6D49E17-E141-4453-A4F9-7D3A600ADE04}.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:4788
          • C:\Windows\{8A429941-F776-4283-8DB9-C0A8D43FE7A4}.exe
            C:\Windows\{8A429941-F776-4283-8DB9-C0A8D43FE7A4}.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:4920
            • C:\Windows\{09A38F55-CC16-45b9-BEB4-C324BD3823DF}.exe
              C:\Windows\{09A38F55-CC16-45b9-BEB4-C324BD3823DF}.exe
              6⤵
              • 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:4380
              • C:\Windows\{E569F195-4373-4e42-9E7C-24785210A120}.exe
                C:\Windows\{E569F195-4373-4e42-9E7C-24785210A120}.exe
                7⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:4372
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{09A38~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:652
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{8A429~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:3504
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{F6D49~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:416
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{3275A~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:3548
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{990BA~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:4672
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2026-0~1.EXE > nul
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:3632

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {09A38F55-CC16-45b9-BEB4-C324BD3823DF}.exe

        • Path C:\Windows\{09A38F55-CC16-45b9-BEB4-C324BD3823DF}.exe
        • Size 60KB
        • SHA256 1c23a537dd7dd4b9a175255cd9344a84af0c0781a223a364c239fba2ae95db89
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3275ABC2-4B3E-4e1c-AB49-A7DB506AFC54}.exe

        • Path C:\Windows\{3275ABC2-4B3E-4e1c-AB49-A7DB506AFC54}.exe
        • Size 60KB
        • SHA256 e4112316bc24928280085b6364d90aa521860b593a245772d2163d094e790b0a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8A429941-F776-4283-8DB9-C0A8D43FE7A4}.exe

        • Path C:\Windows\{8A429941-F776-4283-8DB9-C0A8D43FE7A4}.exe
        • Size 60KB
        • SHA256 d5d011570c3b199c22b468842beebd8d619c30d14a014b2a6a04b3f7185ffe67
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {990BA544-13A6-40af-AEB4-AA31289B0B08}.exe

        • Path C:\Windows\{990BA544-13A6-40af-AEB4-AA31289B0B08}.exe
        • Size 60KB
        • SHA256 bbdbc834a14302ed3fecf697c7525c4569d3906c3958262f6d260187a1ee8ac4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E569F195-4373-4e42-9E7C-24785210A120}.exe

        • Path C:\Windows\{E569F195-4373-4e42-9E7C-24785210A120}.exe
        • Size 60KB
        • SHA256 c64d4d989eefcc8a7bdcf91ad96485e690fd551a8ee200e643286c574c37e8b0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F6D49E17-E141-4453-A4F9-7D3A600ADE04}.exe

        • Path C:\Windows\{F6D49E17-E141-4453-A4F9-7D3A600ADE04}.exe
        • Size 60KB
        • SHA256 aeb65a4b6bce44e59f17e89d469f24f730a6a89bf2abf06704bbd9bcf4118ae4
        • MD5 SHA1 SHA512 SSDEEP TLSH