Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/08/2026, 01:51

General

  • Target
    2026-08-07_52fe6e2d2f30fd4047fb86ce372a5dd1_elex_remcos_wannacry.exe
  • Size 79KB
  • Sample260807-cacfravhle
  • SHA256 dabaa88c4a6e0de13ac93b2c057a87b100ff2769737aa0c09e8b7f2796f7549f
  • 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\2026-08-07_52fe6e2d2f30fd4047fb86ce372a5dd1_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-07_52fe6e2d2f30fd4047fb86ce372a5dd1_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:4852
    • C:\Windows\{67B22230-35FD-4c2e-894E-D397C8BA466F}.exe
      C:\Windows\{67B22230-35FD-4c2e-894E-D397C8BA466F}.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:1996
      • C:\Windows\{2B8C1EF7-D4E8-42e2-AD0D-ADC563E86ADD}.exe
        C:\Windows\{2B8C1EF7-D4E8-42e2-AD0D-ADC563E86ADD}.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:2868
        • C:\Windows\{CBB4BDF5-60FD-4a20-9923-052B2138AE9B}.exe
          C:\Windows\{CBB4BDF5-60FD-4a20-9923-052B2138AE9B}.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:3576
          • C:\Windows\{37D53D60-B5E2-47e6-9A3E-D1D712577F46}.exe
            C:\Windows\{37D53D60-B5E2-47e6-9A3E-D1D712577F46}.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:4800
            • C:\Windows\{49C1A51F-7EDE-4cc1-A87A-27572143643A}.exe
              C:\Windows\{49C1A51F-7EDE-4cc1-A87A-27572143643A}.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:2552
              • C:\Windows\{208B809C-B116-4319-8C92-DFE1187BE621}.exe
                C:\Windows\{208B809C-B116-4319-8C92-DFE1187BE621}.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:1756
                • C:\Windows\{5B5B223D-D374-408d-B829-AAB8F855E7E6}.exe
                  C:\Windows\{5B5B223D-D374-408d-B829-AAB8F855E7E6}.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:1232
                  • C:\Windows\{6101CF33-B152-42ce-B3AE-39D72F700AB5}.exe
                    C:\Windows\{6101CF33-B152-42ce-B3AE-39D72F700AB5}.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:4480
                    • C:\Windows\{03C5B991-97D9-4e7c-B1B2-2BBF4DF1D0D2}.exe
                      C:\Windows\{03C5B991-97D9-4e7c-B1B2-2BBF4DF1D0D2}.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:2412
                      • C:\Windows\{44C1C024-BB89-4162-B240-8651535D6B90}.exe
                        C:\Windows\{44C1C024-BB89-4162-B240-8651535D6B90}.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:5720
                        • C:\Windows\{44C590F0-8889-4012-BE11-D1A4EC3FC1D5}.exe
                          C:\Windows\{44C590F0-8889-4012-BE11-D1A4EC3FC1D5}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:5996
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{44C1C~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:5780
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{03C5B~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:3336
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{6101C~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:6008
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{5B5B2~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:1664
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{208B8~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:2244
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{49C1A~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:5256
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{37D53~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:3428
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{CBB4B~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:3472
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{2B8C1~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:4616
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{67B22~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:2288
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2026-0~1.EXE > nul
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:4872

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {03C5B991-97D9-4e7c-B1B2-2BBF4DF1D0D2}.exe

        • Path C:\Windows\{03C5B991-97D9-4e7c-B1B2-2BBF4DF1D0D2}.exe
        • Size 79KB
        • SHA256 860c56edc771c19481df61ab83729b4ec89a400c347871feac172ff2e83ed41a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {208B809C-B116-4319-8C92-DFE1187BE621}.exe

        • Path C:\Windows\{208B809C-B116-4319-8C92-DFE1187BE621}.exe
        • Size 79KB
        • SHA256 658334ffc75c09468d5a16a115f7634c1db7e7a9f31cc8e904fb63fd2c56742d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {2B8C1EF7-D4E8-42e2-AD0D-ADC563E86ADD}.exe

        • Path C:\Windows\{2B8C1EF7-D4E8-42e2-AD0D-ADC563E86ADD}.exe
        • Size 79KB
        • SHA256 e92aa2f78757363db5a8092c662e2fb3b85e71da91f99b7c7cd7c9e0e3f8d58c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {37D53D60-B5E2-47e6-9A3E-D1D712577F46}.exe

        • Path C:\Windows\{37D53D60-B5E2-47e6-9A3E-D1D712577F46}.exe
        • Size 79KB
        • SHA256 abf6e6cb9ecc15f1844f41e3ef72cf935e5406d9b63434b8e981d4e0d7906380
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {44C1C024-BB89-4162-B240-8651535D6B90}.exe

        • Path C:\Windows\{44C1C024-BB89-4162-B240-8651535D6B90}.exe
        • Size 79KB
        • SHA256 7de61a87ec70cd8a9e32ef0dd5b150691e85a510d65c1e20638230a8294afb54
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {44C590F0-8889-4012-BE11-D1A4EC3FC1D5}.exe

        • Path C:\Windows\{44C590F0-8889-4012-BE11-D1A4EC3FC1D5}.exe
        • Size 79KB
        • SHA256 0c8ceb389c57a23d98ebd1193cd8698854fa08ea61ef6206abde588b2e914fb5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {49C1A51F-7EDE-4cc1-A87A-27572143643A}.exe

        • Path C:\Windows\{49C1A51F-7EDE-4cc1-A87A-27572143643A}.exe
        • Size 79KB
        • SHA256 239058b677c22a59d60847a50ae9f64b97d16d878e586a57268ba484f4d81fe5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5B5B223D-D374-408d-B829-AAB8F855E7E6}.exe

        • Path C:\Windows\{5B5B223D-D374-408d-B829-AAB8F855E7E6}.exe
        • Size 79KB
        • SHA256 43f0aebc151978da2f282b840e71f5143f7396eea60993c546825cd73766a960
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {6101CF33-B152-42ce-B3AE-39D72F700AB5}.exe

        • Path C:\Windows\{6101CF33-B152-42ce-B3AE-39D72F700AB5}.exe
        • Size 79KB
        • SHA256 e6f2546dd558fc88a2a82d6491291413e6758d348fe88bcca3c089a2ddc09a00
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {67B22230-35FD-4c2e-894E-D397C8BA466F}.exe

        • Path C:\Windows\{67B22230-35FD-4c2e-894E-D397C8BA466F}.exe
        • Size 79KB
        • SHA256 9433dcebf74c1c92d6836efef92261d117b6bad7561679543599d397705d98e2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CBB4BDF5-60FD-4a20-9923-052B2138AE9B}.exe

        • Path C:\Windows\{CBB4BDF5-60FD-4a20-9923-052B2138AE9B}.exe
        • Size 79KB
        • SHA256 245cf3c91d81e9104c3a1c6a008b6de121a449dd5995b7d26bb3e0f451cd6d5b
        • MD5 SHA1 SHA512 SSDEEP TLSH