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
    05/09/2026, 10:09

General

  • Target
    2026-09-04_587cdb28ba841ba383616f983071efa6_elex_remcos_wannacry.exe
  • Size 64KB
  • Sample260905-l6331ssbph
  • SHA256 9bdea73f02210020f29c4f3e2f680f8ab61fd8338ef0f16c8b149220a7c918cf
  • 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 36 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 36 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\2026-09-04_587cdb28ba841ba383616f983071efa6_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-04_587cdb28ba841ba383616f983071efa6_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:4160
    • C:\Windows\{BA1B1F8F-1988-4bc3-8388-CEA8E4D844A4}.exe
      C:\Windows\{BA1B1F8F-1988-4bc3-8388-CEA8E4D844A4}.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:3676
      • C:\Windows\{5479C2B3-1770-48af-A595-7B0A9CDCF38E}.exe
        C:\Windows\{5479C2B3-1770-48af-A595-7B0A9CDCF38E}.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:6356
        • C:\Windows\{D76D4A4E-547C-44ea-A17F-CCD501B58973}.exe
          C:\Windows\{D76D4A4E-547C-44ea-A17F-CCD501B58973}.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:3272
          • C:\Windows\{08F9AFBD-62F0-4344-AB3A-F782A2873DC3}.exe
            C:\Windows\{08F9AFBD-62F0-4344-AB3A-F782A2873DC3}.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:4912
            • C:\Windows\{49FBE68A-A769-4e27-81E3-2AB239B71FE8}.exe
              C:\Windows\{49FBE68A-A769-4e27-81E3-2AB239B71FE8}.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:1912
              • C:\Windows\{30A3CF1D-4626-41a8-AC61-591DE2782CCD}.exe
                C:\Windows\{30A3CF1D-4626-41a8-AC61-591DE2782CCD}.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:6376
                • C:\Windows\{54EAB390-F534-447f-B581-35E3668FAE8F}.exe
                  C:\Windows\{54EAB390-F534-447f-B581-35E3668FAE8F}.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:6552
                  • C:\Windows\{473F688B-B11A-47f8-B5B3-619D94F0EDEF}.exe
                    C:\Windows\{473F688B-B11A-47f8-B5B3-619D94F0EDEF}.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:3408
                    • C:\Windows\{70343A52-5F2D-4408-A5E5-8D796106E025}.exe
                      C:\Windows\{70343A52-5F2D-4408-A5E5-8D796106E025}.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:7064
                      • C:\Windows\{10877BBB-CC5D-45f6-86E2-9EC676A37BBF}.exe
                        C:\Windows\{10877BBB-CC5D-45f6-86E2-9EC676A37BBF}.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:2000
                        • C:\Windows\{A5573CB8-C8F7-4bee-B3B7-A09E456EEB00}.exe
                          C:\Windows\{A5573CB8-C8F7-4bee-B3B7-A09E456EEB00}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:2320
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{10877~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:864
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{70343~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:6544
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{473F6~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:2684
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{54EAB~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:4736
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{30A3C~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:4260
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{49FBE~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:7160
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{08F9A~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:7048
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{D76D4~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:3384
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{5479C~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:4796
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{BA1B1~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:6944
    • 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:5312

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {08F9AFBD-62F0-4344-AB3A-F782A2873DC3}.exe

        • Path C:\Windows\{08F9AFBD-62F0-4344-AB3A-F782A2873DC3}.exe
        • Size 64KB
        • SHA256 cca3f085d3bd025acbc6fef78e84ac2984046b408bb30ab7d391096c966c0592
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {10877BBB-CC5D-45f6-86E2-9EC676A37BBF}.exe

        • Path C:\Windows\{10877BBB-CC5D-45f6-86E2-9EC676A37BBF}.exe
        • Size 64KB
        • SHA256 a37683a117332e4caa8031c9d8a6bb4027acf707ca30a88c1f61215b84a6ea43
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {30A3CF1D-4626-41a8-AC61-591DE2782CCD}.exe

        • Path C:\Windows\{30A3CF1D-4626-41a8-AC61-591DE2782CCD}.exe
        • Size 64KB
        • SHA256 3432d79b3a374619ffed5042ed2aa8410ab5183dc856aafb5c8406c4ecaff99e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {473F688B-B11A-47f8-B5B3-619D94F0EDEF}.exe

        • Path C:\Windows\{473F688B-B11A-47f8-B5B3-619D94F0EDEF}.exe
        • Size 64KB
        • SHA256 af5204022eb8e18bef3031343eff8976b147674dd11b306df5176073dd2b909f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {49FBE68A-A769-4e27-81E3-2AB239B71FE8}.exe

        • Path C:\Windows\{49FBE68A-A769-4e27-81E3-2AB239B71FE8}.exe
        • Size 64KB
        • SHA256 9df04a069847f79fc74cea5d7a8bbe3ef4cb4c607a8c6242d128cd8abd7b2fd9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5479C2B3-1770-48af-A595-7B0A9CDCF38E}.exe

        • Path C:\Windows\{5479C2B3-1770-48af-A595-7B0A9CDCF38E}.exe
        • Size 64KB
        • SHA256 a5b349c47f0bb56d49f311704c24dd2f9248100c53231f657c2031ff89e98bfe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {54EAB390-F534-447f-B581-35E3668FAE8F}.exe

        • Path C:\Windows\{54EAB390-F534-447f-B581-35E3668FAE8F}.exe
        • Size 64KB
        • SHA256 3a7907c4e715e5522ef7366715a84d0e9a1197e387571fa420322de4a687ee07
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {70343A52-5F2D-4408-A5E5-8D796106E025}.exe

        • Path C:\Windows\{70343A52-5F2D-4408-A5E5-8D796106E025}.exe
        • Size 64KB
        • SHA256 cc42e500b27f68732f9bf536e5d40a75fc18407eb5aab668f9c7881dfbdb75ea
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A5573CB8-C8F7-4bee-B3B7-A09E456EEB00}.exe

        • Path C:\Windows\{A5573CB8-C8F7-4bee-B3B7-A09E456EEB00}.exe
        • Size 64KB
        • SHA256 495dd4a5f14577ec2eed2fda0054f85b214b7f3a7787f2c6bea9088ffb01e4b6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {BA1B1F8F-1988-4bc3-8388-CEA8E4D844A4}.exe

        • Path C:\Windows\{BA1B1F8F-1988-4bc3-8388-CEA8E4D844A4}.exe
        • Size 64KB
        • SHA256 d8746962d78b37bfcc746e5b2637d642a6fce5775b45a675a8690c7bc2790f4a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D76D4A4E-547C-44ea-A17F-CCD501B58973}.exe

        • Path C:\Windows\{D76D4A4E-547C-44ea-A17F-CCD501B58973}.exe
        • Size 64KB
        • SHA256 fbca563a93b436b3c4f54bf193e90c969279a63456d7c44729b4e5730e6ef87d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1912-42-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1912-35-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2000-76-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2000-71-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2320-78-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3272-22-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3272-27-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3408-62-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3408-56-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3676-12-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3676-6-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4160-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4160-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4160-8-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4912-29-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4912-36-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6356-16-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6356-14-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6356-20-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6376-48-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6376-43-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6552-57-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6552-50-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/7064-64-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/7064-69-0x0000000000400000-0x0000000000410000-memory.dmp