Analysis

  • max time kernel
    148s
  • max time network
    124s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/10/2026, 08:59

General

  • Target
    2026-10-28_1e9453c2e0a55831e2eb3a6beebad9fd_elex_remcos_wannacry.exe
  • Size 60KB
  • Sample261030-kxtybaaz41
  • SHA256 c466db47962ffa39fa2751da8884b677498634ef520e2b92908d9597cd2631a7
  • 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 11 IoCs
  • Custom signature
    Detects Windows executables referencing non-Windows User-Agents 11 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 22 IoCs

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

  • Executes dropped EXE 11 IoCs
  • Drops file in Windows directory 11 IoCs
  • Executes a command shell one-liner 1 TTPs 11 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 23 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 11 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-28_1e9453c2e0a55831e2eb3a6beebad9fd_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-28_1e9453c2e0a55831e2eb3a6beebad9fd_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:5988
    • C:\Windows\{2CFC554D-CC13-4d28-93D4-ADF2DA469BAC}.exe
      C:\Windows\{2CFC554D-CC13-4d28-93D4-ADF2DA469BAC}.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:2836
      • C:\Windows\{61EBF4C7-C6BF-4a91-A3E8-36B100D45067}.exe
        C:\Windows\{61EBF4C7-C6BF-4a91-A3E8-36B100D45067}.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:4608
        • C:\Windows\{095B11C4-BAA2-475e-A15A-125916687126}.exe
          C:\Windows\{095B11C4-BAA2-475e-A15A-125916687126}.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:6048
          • C:\Windows\{55F0066E-0017-44e9-8CC9-866BA11A91A9}.exe
            C:\Windows\{55F0066E-0017-44e9-8CC9-866BA11A91A9}.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:5432
            • C:\Windows\{4A826920-37BE-4dd8-8FAC-A22AE3E82C92}.exe
              C:\Windows\{4A826920-37BE-4dd8-8FAC-A22AE3E82C92}.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:916
              • C:\Windows\{7916830A-2489-4935-9449-CCD9BC1DDBB7}.exe
                C:\Windows\{7916830A-2489-4935-9449-CCD9BC1DDBB7}.exe
                7⤵
                • 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:4564
                • C:\Windows\{C2034CC4-0008-4d84-820D-70168F92F672}.exe
                  C:\Windows\{C2034CC4-0008-4d84-820D-70168F92F672}.exe
                  8⤵
                  • 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:5172
                  • C:\Windows\{0C11137E-D0B3-456a-B3D2-143E0691F88B}.exe
                    C:\Windows\{0C11137E-D0B3-456a-B3D2-143E0691F88B}.exe
                    9⤵
                    • 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:5908
                    • C:\Windows\{3A5F128D-9E6B-4f7e-B327-7A43B433EB12}.exe
                      C:\Windows\{3A5F128D-9E6B-4f7e-B327-7A43B433EB12}.exe
                      10⤵
                      • 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:4388
                      • C:\Windows\{6AEED9F1-8C95-4892-B0C6-57BEEF0D3E97}.exe
                        C:\Windows\{6AEED9F1-8C95-4892-B0C6-57BEEF0D3E97}.exe
                        11⤵
                        • 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:2840
                        • C:\Windows\{FAD5DE62-D012-4fad-9EAF-7BDA83A4E533}.exe
                          C:\Windows\{FAD5DE62-D012-4fad-9EAF-7BDA83A4E533}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:1752
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{6AEED~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:2708
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{3A5F1~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:4572
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{0C111~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:4104
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{C2034~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:5872
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{79168~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:4896
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{4A826~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:4724
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{55F00~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:4876
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{095B1~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:408
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{61EBF~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:5544
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{2CFC5~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:5792
    • 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:5632

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {095B11C4-BAA2-475e-A15A-125916687126}.exe

        • Path C:\Windows\{095B11C4-BAA2-475e-A15A-125916687126}.exe
        • Size 60KB
        • SHA256 c08f884213d14d3c87546f9922de843d295de64659c05883bcb4b9bab608e16a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {0C11137E-D0B3-456a-B3D2-143E0691F88B}.exe

        • Path C:\Windows\{0C11137E-D0B3-456a-B3D2-143E0691F88B}.exe
        • Size 60KB
        • SHA256 b11524a0884a94560ceb1eb5794d9159d26d8bf0dbe2c1387dbca4a000bdd2ae
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {2CFC554D-CC13-4d28-93D4-ADF2DA469BAC}.exe

        • Path C:\Windows\{2CFC554D-CC13-4d28-93D4-ADF2DA469BAC}.exe
        • Size 60KB
        • SHA256 b2f4a868911492eb39f562dfdc9b06c617834eacf13fc9b22422d55756eee7e0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3A5F128D-9E6B-4f7e-B327-7A43B433EB12}.exe

        • Path C:\Windows\{3A5F128D-9E6B-4f7e-B327-7A43B433EB12}.exe
        • Size 60KB
        • SHA256 f835102fc7da6a8d4e00abe33e6676a684916f5baacd7a4aec6f062ca41df201
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {4A826920-37BE-4dd8-8FAC-A22AE3E82C92}.exe

        • Path C:\Windows\{4A826920-37BE-4dd8-8FAC-A22AE3E82C92}.exe
        • Size 60KB
        • SHA256 3846c486b8e8ba7bf23f192b01f810d44ce6f9193c85ae7f59a4e2fb0330a9c5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {55F0066E-0017-44e9-8CC9-866BA11A91A9}.exe

        • Path C:\Windows\{55F0066E-0017-44e9-8CC9-866BA11A91A9}.exe
        • Size 60KB
        • SHA256 abc789860457a55996e8cb47d1a05d50fa14635e20eff42f16992c0420c3c2ce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {61EBF4C7-C6BF-4a91-A3E8-36B100D45067}.exe

        • Path C:\Windows\{61EBF4C7-C6BF-4a91-A3E8-36B100D45067}.exe
        • Size 60KB
        • SHA256 472baec10d590a4afb8864fcb6b3f3c4a2ec457a4e6a3ec4dd0f0e72a43b5485
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {6AEED9F1-8C95-4892-B0C6-57BEEF0D3E97}.exe

        • Path C:\Windows\{6AEED9F1-8C95-4892-B0C6-57BEEF0D3E97}.exe
        • Size 60KB
        • SHA256 a7004ce6b6f70d930c4a903f4d60fd0b1839cae2ab5174ebea52a8cc08d86abb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {7916830A-2489-4935-9449-CCD9BC1DDBB7}.exe

        • Path C:\Windows\{7916830A-2489-4935-9449-CCD9BC1DDBB7}.exe
        • Size 60KB
        • SHA256 661a63adbf01add8b1512c3e14e3bd94213f1c2e548e471ac2e32405927def03
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {C2034CC4-0008-4d84-820D-70168F92F672}.exe

        • Path C:\Windows\{C2034CC4-0008-4d84-820D-70168F92F672}.exe
        • Size 60KB
        • SHA256 ddb4e9b9ac443585a6cfb77c3bf4434c4185b26431a9bd23d05b8f37a56e2d4a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {FAD5DE62-D012-4fad-9EAF-7BDA83A4E533}.exe

        • Path C:\Windows\{FAD5DE62-D012-4fad-9EAF-7BDA83A4E533}.exe
        • Size 60KB
        • SHA256 c226ad868317f1b410ebfe4105533a96a03eea96096c4be41021f9fc46bfea13
        • MD5 SHA1 SHA512 SSDEEP TLSH