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
    29/10/2026, 23:49

General

  • Target
    2026-10-28_8e78cfb12b016ac7068b9f7e1625a714_elex_remcos_wannacry.exe
  • Size 79KB
  • Sample261029-3vfa9afx3x
  • SHA256 8882b6c05100668f6114d872b144a71d443865f6ff5f89d75f0c224fc7669ec4
  • 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\2026-10-28_8e78cfb12b016ac7068b9f7e1625a714_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-28_8e78cfb12b016ac7068b9f7e1625a714_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:4648
    • C:\Windows\{3EE5F727-7D11-440a-993F-951991314167}.exe
      C:\Windows\{3EE5F727-7D11-440a-993F-951991314167}.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:5708
      • C:\Windows\{FC1B71AC-15A1-4e3d-893A-F059783F4B49}.exe
        C:\Windows\{FC1B71AC-15A1-4e3d-893A-F059783F4B49}.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:6020
        • C:\Windows\{545DC2E8-12EC-437e-8414-5F2F277B594A}.exe
          C:\Windows\{545DC2E8-12EC-437e-8414-5F2F277B594A}.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:2324
          • C:\Windows\{232C0544-E9A2-43af-BFAF-4D32B7A910A7}.exe
            C:\Windows\{232C0544-E9A2-43af-BFAF-4D32B7A910A7}.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:2548
            • C:\Windows\{7959F44D-003B-4565-8834-4CA507460939}.exe
              C:\Windows\{7959F44D-003B-4565-8834-4CA507460939}.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:4780
              • C:\Windows\{5FFAE21D-7C0F-4c41-BF75-6846061A969B}.exe
                C:\Windows\{5FFAE21D-7C0F-4c41-BF75-6846061A969B}.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:3292
                • C:\Windows\{A3F486F5-862B-4b0e-B770-68C77A9B3C4F}.exe
                  C:\Windows\{A3F486F5-862B-4b0e-B770-68C77A9B3C4F}.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:4676
                  • C:\Windows\{8C8D2017-D058-4bdc-B25A-BDB0CFDFEA4B}.exe
                    C:\Windows\{8C8D2017-D058-4bdc-B25A-BDB0CFDFEA4B}.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:5936
                    • C:\Windows\{E04F2C6E-95D5-4d54-A9F5-DD0E274220E5}.exe
                      C:\Windows\{E04F2C6E-95D5-4d54-A9F5-DD0E274220E5}.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:4352
                      • C:\Windows\{D9B4A83A-06FD-4910-B205-BE7EC3D4264F}.exe
                        C:\Windows\{D9B4A83A-06FD-4910-B205-BE7EC3D4264F}.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:5676
                        • C:\Windows\{94C6197D-477C-45b1-BB4A-C85208A2EA62}.exe
                          C:\Windows\{94C6197D-477C-45b1-BB4A-C85208A2EA62}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:5672
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{D9B4A~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:5704
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{E04F2~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:1404
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{8C8D2~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:692
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{A3F48~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:4524
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{5FFAE~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:4760
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{7959F~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:4476
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{232C0~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:5024
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{545DC~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:5640
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{FC1B7~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:4960
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{3EE5F~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:1276
    • 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:5980

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {232C0544-E9A2-43af-BFAF-4D32B7A910A7}.exe

        • Path C:\Windows\{232C0544-E9A2-43af-BFAF-4D32B7A910A7}.exe
        • Size 79KB
        • SHA256 a08eb7bd9eab82ed0723c86d96a07034f837b4412a2a22b64a9c65fa9f6596a6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3EE5F727-7D11-440a-993F-951991314167}.exe

        • Path C:\Windows\{3EE5F727-7D11-440a-993F-951991314167}.exe
        • Size 79KB
        • SHA256 cba99ccd48c238bd36a4e48e4230fbf64bd21afa089f4aeefeb0dda8e087bbeb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {545DC2E8-12EC-437e-8414-5F2F277B594A}.exe

        • Path C:\Windows\{545DC2E8-12EC-437e-8414-5F2F277B594A}.exe
        • Size 79KB
        • SHA256 efe1b64c94d6561a8cc5d8e3cb8272435d6556e23b2baf62c23cd41be68576bf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5FFAE21D-7C0F-4c41-BF75-6846061A969B}.exe

        • Path C:\Windows\{5FFAE21D-7C0F-4c41-BF75-6846061A969B}.exe
        • Size 79KB
        • SHA256 0069d6cfc21f2d924debdeb150611a16232102d5b13beacbfa075cbf549d1a8b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {7959F44D-003B-4565-8834-4CA507460939}.exe

        • Path C:\Windows\{7959F44D-003B-4565-8834-4CA507460939}.exe
        • Size 79KB
        • SHA256 5ef2afebc8117503215322b307f174a2d47aa9334b7c5d46d382aa6a1cf3e7b5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8C8D2017-D058-4bdc-B25A-BDB0CFDFEA4B}.exe

        • Path C:\Windows\{8C8D2017-D058-4bdc-B25A-BDB0CFDFEA4B}.exe
        • Size 79KB
        • SHA256 a9c2f403d9cf9f55f4f3861cfc1420ae07fa1ff505c39a905c769d0e3743aa47
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {94C6197D-477C-45b1-BB4A-C85208A2EA62}.exe

        • Path C:\Windows\{94C6197D-477C-45b1-BB4A-C85208A2EA62}.exe
        • Size 79KB
        • SHA256 fa9708a20d40c4f23216b29711c61efa6f6b7cc411d27d70c76a4aa7467941eb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A3F486F5-862B-4b0e-B770-68C77A9B3C4F}.exe

        • Path C:\Windows\{A3F486F5-862B-4b0e-B770-68C77A9B3C4F}.exe
        • Size 79KB
        • SHA256 f1dd248242b8797c41068c51c1a5004ae76de07d87d0baf1d162b4c44ea121da
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D9B4A83A-06FD-4910-B205-BE7EC3D4264F}.exe

        • Path C:\Windows\{D9B4A83A-06FD-4910-B205-BE7EC3D4264F}.exe
        • Size 79KB
        • SHA256 7cf35f89d5d669d86b80a21dcb4a42e1802acbcbdddf7ce996ec858209e15e10
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E04F2C6E-95D5-4d54-A9F5-DD0E274220E5}.exe

        • Path C:\Windows\{E04F2C6E-95D5-4d54-A9F5-DD0E274220E5}.exe
        • Size 79KB
        • SHA256 921891f0f114ba5314c3187d1ef7c24745e15a50b75e0302fb379ab81d0646f3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {FC1B71AC-15A1-4e3d-893A-F059783F4B49}.exe

        • Path C:\Windows\{FC1B71AC-15A1-4e3d-893A-F059783F4B49}.exe
        • Size 79KB
        • SHA256 1fdb532ea13c4938a00f789cdabba176101f0f4c22f2901280c6076f3fb3baf7
        • MD5 SHA1 SHA512 SSDEEP TLSH