Analysis

  • max time kernel
    149s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    27/10/2026, 03:59

General

  • Target
    2026-10-26_e67872d67ea098c7c4dfb3d793067a2c_elex_remcos_wannacry.exe
  • Size 79KB
  • Sample261027-ej2hcabs8n
  • SHA256 a636a08344e9506e491fd3764e981f26b0960bdb78acedd7123decb53af122de
  • 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\2026-10-26_e67872d67ea098c7c4dfb3d793067a2c_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-26_e67872d67ea098c7c4dfb3d793067a2c_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:3124
    • C:\Windows\{963E6D15-F522-40bb-AF9F-8370CECCA3B9}.exe
      C:\Windows\{963E6D15-F522-40bb-AF9F-8370CECCA3B9}.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:1504
      • C:\Windows\{0412E40F-4B0D-4496-B47F-3052B7CA362C}.exe
        C:\Windows\{0412E40F-4B0D-4496-B47F-3052B7CA362C}.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:664
        • C:\Windows\{708B113A-C7E1-4c17-95D5-1191402E12FC}.exe
          C:\Windows\{708B113A-C7E1-4c17-95D5-1191402E12FC}.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:3060
          • C:\Windows\{035AB1F1-F4F6-4be1-ADD3-3DB93CA314C5}.exe
            C:\Windows\{035AB1F1-F4F6-4be1-ADD3-3DB93CA314C5}.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:3732
            • C:\Windows\{D38474D0-C88E-4512-8B30-CF018CE927CA}.exe
              C:\Windows\{D38474D0-C88E-4512-8B30-CF018CE927CA}.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:628
              • C:\Windows\{4A078C7D-22B8-4700-91BB-AFADA0BADAE7}.exe
                C:\Windows\{4A078C7D-22B8-4700-91BB-AFADA0BADAE7}.exe
                7⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:3152
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{D3847~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:2380
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{035AB~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:3576
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{708B1~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:3064
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{0412E~1.EXE > nul
          4⤵
          • 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\{963E6~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:2080
    • 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:844

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {035AB1F1-F4F6-4be1-ADD3-3DB93CA314C5}.exe

        • Path C:\Windows\{035AB1F1-F4F6-4be1-ADD3-3DB93CA314C5}.exe
        • Size 79KB
        • SHA256 27bbe31599bad38b204d5d4c807bc1537792e2aa2c376721d2d7276bfd1a052b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {0412E40F-4B0D-4496-B47F-3052B7CA362C}.exe

        • Path C:\Windows\{0412E40F-4B0D-4496-B47F-3052B7CA362C}.exe
        • Size 79KB
        • SHA256 96ab1dcfa07bdebef2fb5511045720e4805ed450a708e25f75fc3d79809b8a50
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {4A078C7D-22B8-4700-91BB-AFADA0BADAE7}.exe

        • Path C:\Windows\{4A078C7D-22B8-4700-91BB-AFADA0BADAE7}.exe
        • Size 79KB
        • SHA256 83b3223f34d76f5256b798791a962c75294110af96064cc87f06c644f4cd1c97
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {708B113A-C7E1-4c17-95D5-1191402E12FC}.exe

        • Path C:\Windows\{708B113A-C7E1-4c17-95D5-1191402E12FC}.exe
        • Size 79KB
        • SHA256 8d58350f92807a87c5f210cd8c44ccda79089893622f002152650aede467e749
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {963E6D15-F522-40bb-AF9F-8370CECCA3B9}.exe

        • Path C:\Windows\{963E6D15-F522-40bb-AF9F-8370CECCA3B9}.exe
        • Size 79KB
        • SHA256 c42e9e7e2e9eea3e61da8d57eb3090419c310ef2054fff65a7234b7290db76c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D38474D0-C88E-4512-8B30-CF018CE927CA}.exe

        • Path C:\Windows\{D38474D0-C88E-4512-8B30-CF018CE927CA}.exe
        • Size 79KB
        • SHA256 f964a5acdcc6677bf04ef05f98bfead8a722233ec9821d62e5cac0eeea1766de
        • MD5 SHA1 SHA512 SSDEEP TLSH