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
    24/10/2026, 17:32

General

  • Target
    2026-10-22_309f4bebd81eb6ea564ae106057b399b_elex_remcos_wannacry.exe
  • Size 59KB
  • Sample261024-v4e3vabs91
  • SHA256 07fadaad943a9f4e4ca722c8f3169f86133533e894db8520da8a865f583602a3
  • 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\2026-10-22_309f4bebd81eb6ea564ae106057b399b_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-22_309f4bebd81eb6ea564ae106057b399b_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:4488
    • C:\Windows\{01BAD1E2-EAD5-47b2-92A4-284801D29D3C}.exe
      C:\Windows\{01BAD1E2-EAD5-47b2-92A4-284801D29D3C}.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:4432
      • C:\Windows\{269DE970-450D-4779-8066-731C385005F8}.exe
        C:\Windows\{269DE970-450D-4779-8066-731C385005F8}.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:3516
        • C:\Windows\{2CEF475B-F1D4-4d7e-B8BE-DAF428F8D6EC}.exe
          C:\Windows\{2CEF475B-F1D4-4d7e-B8BE-DAF428F8D6EC}.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:212
          • C:\Windows\{185C8F50-F2BF-4892-B441-11D44FA76D3D}.exe
            C:\Windows\{185C8F50-F2BF-4892-B441-11D44FA76D3D}.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:616
            • C:\Windows\{2041E343-2F63-4477-AACB-1B42EEE7F139}.exe
              C:\Windows\{2041E343-2F63-4477-AACB-1B42EEE7F139}.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:2084
              • C:\Windows\{632FB1CD-1367-4cf2-AA72-0A4C7C72BA45}.exe
                C:\Windows\{632FB1CD-1367-4cf2-AA72-0A4C7C72BA45}.exe
                7⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:4176
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{2041E~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:3196
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{185C8~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:5080
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{2CEF4~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:1688
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{269DE~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:3940
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{01BAD~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:1440
    • 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:560

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {01BAD1E2-EAD5-47b2-92A4-284801D29D3C}.exe

        • Path C:\Windows\{01BAD1E2-EAD5-47b2-92A4-284801D29D3C}.exe
        • Size 59KB
        • SHA256 65510786f82c1aae36fc274f088fcea549bb186b0d2e78363aea88c5197addbe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {185C8F50-F2BF-4892-B441-11D44FA76D3D}.exe

        • Path C:\Windows\{185C8F50-F2BF-4892-B441-11D44FA76D3D}.exe
        • Size 59KB
        • SHA256 2a8a31b70f3f2642fd3ba6cdfcad6be7fa7f1ce2a833092eaf4af5c391de3ae1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {2041E343-2F63-4477-AACB-1B42EEE7F139}.exe

        • Path C:\Windows\{2041E343-2F63-4477-AACB-1B42EEE7F139}.exe
        • Size 59KB
        • SHA256 335ff1837fee984732c94d528cbae5b744116ee8ac165d6e024c3a4ca027d8f2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {269DE970-450D-4779-8066-731C385005F8}.exe

        • Path C:\Windows\{269DE970-450D-4779-8066-731C385005F8}.exe
        • Size 59KB
        • SHA256 b80bb4e02e3a702b67ecaae8bce37419f678b9d0cdc63f7ec7d4acadba54c223
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {2CEF475B-F1D4-4d7e-B8BE-DAF428F8D6EC}.exe

        • Path C:\Windows\{2CEF475B-F1D4-4d7e-B8BE-DAF428F8D6EC}.exe
        • Size 59KB
        • SHA256 2647099d51c899b0e9d0ba45ce95f20e08bbce4a878df58681df86b42c6b24dc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {632FB1CD-1367-4cf2-AA72-0A4C7C72BA45}.exe

        • Path C:\Windows\{632FB1CD-1367-4cf2-AA72-0A4C7C72BA45}.exe
        • Size 59KB
        • SHA256 ef99cf96728e9ef7450c10ce2632a7df3b079d4fbc81f208c2ecc6cebe5e8845
        • MD5 SHA1 SHA512 SSDEEP TLSH