Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    26/08/2026, 14:39

General

  • Target
    2026-08-25_a5751b924b9da02f6438ba60cbd81895_elex_remcos_wannacry.exe
  • Size 64KB
  • Sample260826-r1f9yseq81
  • SHA256 f503d0cf3aabb5650f1906706e4ef9ee5ecfdd2688a273975eeeb44a3cc42ab7
  • 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\2026-08-25_a5751b924b9da02f6438ba60cbd81895_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-25_a5751b924b9da02f6438ba60cbd81895_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:992
    • C:\Windows\{B737A132-FEF6-4d36-B421-32DDB43DCBC9}.exe
      C:\Windows\{B737A132-FEF6-4d36-B421-32DDB43DCBC9}.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:4164
      • C:\Windows\{F8B79EAA-11AA-4476-9A62-0B62B01E8181}.exe
        C:\Windows\{F8B79EAA-11AA-4476-9A62-0B62B01E8181}.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:1936
        • C:\Windows\{1214135F-2F1E-40bc-AAC3-CFAEA69B2DB0}.exe
          C:\Windows\{1214135F-2F1E-40bc-AAC3-CFAEA69B2DB0}.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:1172
          • C:\Windows\{3F388E5C-6C0C-4a3d-8870-A321A2F68F4F}.exe
            C:\Windows\{3F388E5C-6C0C-4a3d-8870-A321A2F68F4F}.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:4236
            • C:\Windows\{83363A8B-15E6-40d1-8115-CD597CA63A33}.exe
              C:\Windows\{83363A8B-15E6-40d1-8115-CD597CA63A33}.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:4312
              • C:\Windows\{AB2930DD-F206-44e1-960B-BA565406A444}.exe
                C:\Windows\{AB2930DD-F206-44e1-960B-BA565406A444}.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:5176
                • C:\Windows\{27F47490-B322-44c5-B83C-0CF62CC7FDB4}.exe
                  C:\Windows\{27F47490-B322-44c5-B83C-0CF62CC7FDB4}.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:5956
                  • C:\Windows\{5F08C91C-B58B-4cb9-9B7F-A89D7BAFE082}.exe
                    C:\Windows\{5F08C91C-B58B-4cb9-9B7F-A89D7BAFE082}.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:3252
                    • C:\Windows\{6AA489EF-A3D3-4a7d-A7F5-4578FCDBC60D}.exe
                      C:\Windows\{6AA489EF-A3D3-4a7d-A7F5-4578FCDBC60D}.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:2548
                      • C:\Windows\{6CEDEBFE-3651-4b86-B532-DCFE2A101258}.exe
                        C:\Windows\{6CEDEBFE-3651-4b86-B532-DCFE2A101258}.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:5708
                        • C:\Windows\{F62DD122-4B19-4618-9FB9-898DAE1898A2}.exe
                          C:\Windows\{F62DD122-4B19-4618-9FB9-898DAE1898A2}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:984
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{6CEDE~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:2888
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{6AA48~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:2900
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{5F08C~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:1380
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{27F47~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:2352
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{AB293~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:4564
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{83363~1.EXE > nul
                7⤵
                • 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\{3F388~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:2104
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{12141~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:1608
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{F8B79~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:5152
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{B737A~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:4480
    • 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:3184

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        {1214135F-2F1E-40bc-AAC3-CFAEA69B2DB0}.exe

        • Path C:\Windows\{1214135F-2F1E-40bc-AAC3-CFAEA69B2DB0}.exe
        • Size 64KB
        • SHA256 6fcbe337bf47c8daec83beca9c9e16f192fb6684cb2b13ce3f2341ff0a917569
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {27F47490-B322-44c5-B83C-0CF62CC7FDB4}.exe

        • Path C:\Windows\{27F47490-B322-44c5-B83C-0CF62CC7FDB4}.exe
        • Size 64KB
        • SHA256 2373eaa132097efa9e7bd6e75d79811c083281bcfc1895d650534f6feb381d42
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3F388E5C-6C0C-4a3d-8870-A321A2F68F4F}.exe

        • Path C:\Windows\{3F388E5C-6C0C-4a3d-8870-A321A2F68F4F}.exe
        • Size 64KB
        • SHA256 6724c52bb809f560beb2a41a07a3b8b29d417ccf25cd8740e4c4a12da6e01d55
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5F08C91C-B58B-4cb9-9B7F-A89D7BAFE082}.exe

        • Path C:\Windows\{5F08C91C-B58B-4cb9-9B7F-A89D7BAFE082}.exe
        • Size 64KB
        • SHA256 ca19e3942ca78451d565ebdaafd8e4480b30469f46faaf3c770339c2bf17f3de
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {6AA489EF-A3D3-4a7d-A7F5-4578FCDBC60D}.exe

        • Path C:\Windows\{6AA489EF-A3D3-4a7d-A7F5-4578FCDBC60D}.exe
        • Size 64KB
        • SHA256 de02669c57086602e8cacb77cc638d9efa71fca3592fbcd6579156715e9f4836
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {6CEDEBFE-3651-4b86-B532-DCFE2A101258}.exe

        • Path C:\Windows\{6CEDEBFE-3651-4b86-B532-DCFE2A101258}.exe
        • Size 64KB
        • SHA256 b4f0c8f75c7fe2baf25b0e519420bc87a126df18f72812672a178eead5539b5e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {83363A8B-15E6-40d1-8115-CD597CA63A33}.exe

        • Path C:\Windows\{83363A8B-15E6-40d1-8115-CD597CA63A33}.exe
        • Size 64KB
        • SHA256 1f1fad3d8cc9f5357457ece7ef3723b198a4a2175d572aca4863fa7a5950f2f7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {AB2930DD-F206-44e1-960B-BA565406A444}.exe

        • Path C:\Windows\{AB2930DD-F206-44e1-960B-BA565406A444}.exe
        • Size 64KB
        • SHA256 e21728323226f66cf6a880d7da47c8cc1d80ae1f463185ce7552f1e57578d7f9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {B737A132-FEF6-4d36-B421-32DDB43DCBC9}.exe

        • Path C:\Windows\{B737A132-FEF6-4d36-B421-32DDB43DCBC9}.exe
        • Size 64KB
        • SHA256 9c912ebcc98fa2782bf5ef0355b21d1be6ca5fb98a884d8c33a98eb3234530ed
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F62DD122-4B19-4618-9FB9-898DAE1898A2}.exe

        • Path C:\Windows\{F62DD122-4B19-4618-9FB9-898DAE1898A2}.exe
        • Size 64KB
        • SHA256 bfd04f60d2b91ce479293c9bf4647f66fd48b871ee74cf461080200cac44283f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F8B79EAA-11AA-4476-9A62-0B62B01E8181}.exe

        • Path C:\Windows\{F8B79EAA-11AA-4476-9A62-0B62B01E8181}.exe
        • Size 64KB
        • SHA256 30075198532e365de50f5c5bddca6b8b37cb3d0447bef11d54f78d0c4923d93d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/984-78-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/992-7-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/992-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/992-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1172-27-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1172-22-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1936-20-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1936-14-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2548-69-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2548-64-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3252-63-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3252-57-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4164-6-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4164-9-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4164-15-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4236-35-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4236-29-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4312-41-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4312-36-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5176-48-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5176-43-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5708-71-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5708-76-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5956-55-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5956-50-0x0000000000400000-0x0000000000410000-memory.dmp