Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/10/2026, 14:40

General

  • Target
    2026-10-26_71b172e25c586c412c3e4d099fea90e1_elex_remcos_wannacry.exe
  • Size 79KB
  • Sample261027-r2dkfssv5k
  • SHA256 e1ef88492f7d992b043f7b24d4bd9db7dcb82a3707d60260bf8e700d73e24516
  • 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
  • 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\2026-10-26_71b172e25c586c412c3e4d099fea90e1_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-26_71b172e25c586c412c3e4d099fea90e1_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:1560
    • C:\Windows\{7412D0FE-B383-4d6c-8C41-D1DE2F0E1EF3}.exe
      C:\Windows\{7412D0FE-B383-4d6c-8C41-D1DE2F0E1EF3}.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:4348
      • C:\Windows\{328EF196-F6A2-42a8-A029-E07A92F8C9EF}.exe
        C:\Windows\{328EF196-F6A2-42a8-A029-E07A92F8C9EF}.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:4688
        • C:\Windows\{0455DFE3-5A23-4197-AAFE-3653C6E5A6AD}.exe
          C:\Windows\{0455DFE3-5A23-4197-AAFE-3653C6E5A6AD}.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:5892
          • C:\Windows\{AE76738F-E520-4b0e-B917-78EE308B973A}.exe
            C:\Windows\{AE76738F-E520-4b0e-B917-78EE308B973A}.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:5876
            • C:\Windows\{3F938143-32AE-416c-B297-4816ADA3B08D}.exe
              C:\Windows\{3F938143-32AE-416c-B297-4816ADA3B08D}.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:3216
              • C:\Windows\{A6799F8E-F2EF-4bbc-B5FE-F3006E860F98}.exe
                C:\Windows\{A6799F8E-F2EF-4bbc-B5FE-F3006E860F98}.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:3620
                • C:\Windows\{CB060B21-D8A2-4199-9A70-7F04128F53B3}.exe
                  C:\Windows\{CB060B21-D8A2-4199-9A70-7F04128F53B3}.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:5668
                  • C:\Windows\{FEF4F3C2-384E-4f40-A7CA-64E713124573}.exe
                    C:\Windows\{FEF4F3C2-384E-4f40-A7CA-64E713124573}.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:3020
                    • C:\Windows\{C4BCD774-C10F-473b-A317-9C7CA26A7D3A}.exe
                      C:\Windows\{C4BCD774-C10F-473b-A317-9C7CA26A7D3A}.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:3448
                      • C:\Windows\{7B4BB8FC-8F85-424a-93CB-C9958E0B7175}.exe
                        C:\Windows\{7B4BB8FC-8F85-424a-93CB-C9958E0B7175}.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:1948
                        • C:\Windows\{3774FA1A-66C9-4560-A5A9-AE735842EC3F}.exe
                          C:\Windows\{3774FA1A-66C9-4560-A5A9-AE735842EC3F}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:4232
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{7B4BB~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:4312
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{C4BCD~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:4280
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{FEF4F~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:2560
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{CB060~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:6076
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{A6799~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:2952
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{3F938~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:5520
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{AE767~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:1388
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{0455D~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:4836
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{328EF~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:3912
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{7412D~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:4696
    • 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:4260

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {0455DFE3-5A23-4197-AAFE-3653C6E5A6AD}.exe

        • Path C:\Windows\{0455DFE3-5A23-4197-AAFE-3653C6E5A6AD}.exe
        • Size 79KB
        • SHA256 53c8ddeb4f09b7a193d46a8841705214481568300113c185a648c71749c7b661
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {328EF196-F6A2-42a8-A029-E07A92F8C9EF}.exe

        • Path C:\Windows\{328EF196-F6A2-42a8-A029-E07A92F8C9EF}.exe
        • Size 79KB
        • SHA256 846b24a906ff7e7d7e86be2722dffb20e97d55fb6eb66b52fe5526904b74e46e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3774FA1A-66C9-4560-A5A9-AE735842EC3F}.exe

        • Path C:\Windows\{3774FA1A-66C9-4560-A5A9-AE735842EC3F}.exe
        • Size 79KB
        • SHA256 d6ee19eb8cd2a4909b3365969ba39afcf58231ba1a87d8c6e64b9b9fd500c290
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3F938143-32AE-416c-B297-4816ADA3B08D}.exe

        • Path C:\Windows\{3F938143-32AE-416c-B297-4816ADA3B08D}.exe
        • Size 79KB
        • SHA256 7cfaedbb20f3852d232983cd9ec391b3e59c3924e1f533229195da9550d5f300
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {7412D0FE-B383-4d6c-8C41-D1DE2F0E1EF3}.exe

        • Path C:\Windows\{7412D0FE-B383-4d6c-8C41-D1DE2F0E1EF3}.exe
        • Size 79KB
        • SHA256 1f7ae62e266e87a4b3a084e96552aa3929f85a7df713fecc8a2b41297d12e530
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {7B4BB8FC-8F85-424a-93CB-C9958E0B7175}.exe

        • Path C:\Windows\{7B4BB8FC-8F85-424a-93CB-C9958E0B7175}.exe
        • Size 79KB
        • SHA256 69c791bebf4562d2ab94a224a515e309b1e6274437a33548498d1e2cb5d5b4ad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A6799F8E-F2EF-4bbc-B5FE-F3006E860F98}.exe

        • Path C:\Windows\{A6799F8E-F2EF-4bbc-B5FE-F3006E860F98}.exe
        • Size 79KB
        • SHA256 d6f076a4a5bd514814b337f57f926c92ca63094af407844e66c89c087386e2c3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {AE76738F-E520-4b0e-B917-78EE308B973A}.exe

        • Path C:\Windows\{AE76738F-E520-4b0e-B917-78EE308B973A}.exe
        • Size 79KB
        • SHA256 b5c5cdfa030fc2bfeca217b7b6569583c06e4684c5323793e47fd1fad684cae1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {C4BCD774-C10F-473b-A317-9C7CA26A7D3A}.exe

        • Path C:\Windows\{C4BCD774-C10F-473b-A317-9C7CA26A7D3A}.exe
        • Size 79KB
        • SHA256 61915c49b71819456124aae6cb2302c002580535682f59f68db20391f2e54839
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CB060B21-D8A2-4199-9A70-7F04128F53B3}.exe

        • Path C:\Windows\{CB060B21-D8A2-4199-9A70-7F04128F53B3}.exe
        • Size 79KB
        • SHA256 fd9ce2bbee591c4cb52efb779a61dc9eedff3afbf15535f00a11e82fb27e381d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {FEF4F3C2-384E-4f40-A7CA-64E713124573}.exe

        • Path C:\Windows\{FEF4F3C2-384E-4f40-A7CA-64E713124573}.exe
        • Size 79KB
        • SHA256 9da04c45775b42d010b456fe066795d036b3a9709ac7b8211213e078f42ba4be
        • MD5 SHA1 SHA512 SSDEEP TLSH