Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/10/2026, 01:10

General

  • Target
    2026-10-19_e4956788144047a350286302b8296da4_elex_remcos_wannacry.exe
  • Size 64KB
  • Sample261020-bjhtfsttbw
  • SHA256 746a4579721cebc4b4b130c0814e84e369ad7b2b8c5b7f7491ea23bdced3685d
  • 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\2026-10-19_e4956788144047a350286302b8296da4_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-19_e4956788144047a350286302b8296da4_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:1052
    • C:\Windows\{5D31DF9C-FF86-4562-9EBD-2F360325C677}.exe
      C:\Windows\{5D31DF9C-FF86-4562-9EBD-2F360325C677}.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:4788
      • C:\Windows\{67F932D2-D2D1-49d9-8B07-A7E21FEE7C8A}.exe
        C:\Windows\{67F932D2-D2D1-49d9-8B07-A7E21FEE7C8A}.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:5976
        • C:\Windows\{6539B851-90DA-411e-ACB9-BDDD99873907}.exe
          C:\Windows\{6539B851-90DA-411e-ACB9-BDDD99873907}.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:5912
          • C:\Windows\{3EDB5933-B097-400e-9161-714B6975C333}.exe
            C:\Windows\{3EDB5933-B097-400e-9161-714B6975C333}.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:3372
            • C:\Windows\{FA6E12C2-214C-47ef-906B-F72EE039E9B9}.exe
              C:\Windows\{FA6E12C2-214C-47ef-906B-F72EE039E9B9}.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:2512
              • C:\Windows\{94A680FF-1B37-4713-A62B-9E31A1B3F7AC}.exe
                C:\Windows\{94A680FF-1B37-4713-A62B-9E31A1B3F7AC}.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:1612
                • C:\Windows\{D71B3CAE-A689-4bd7-B3B0-8360E329588D}.exe
                  C:\Windows\{D71B3CAE-A689-4bd7-B3B0-8360E329588D}.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:4668
                  • C:\Windows\{F5688A90-00C0-41e5-9F8F-5E66E4E56027}.exe
                    C:\Windows\{F5688A90-00C0-41e5-9F8F-5E66E4E56027}.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:3740
                    • C:\Windows\{A10D138E-558C-4ac4-A906-24864DAB995B}.exe
                      C:\Windows\{A10D138E-558C-4ac4-A906-24864DAB995B}.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:620
                      • C:\Windows\{68909304-E09C-4e55-B028-76839672609B}.exe
                        C:\Windows\{68909304-E09C-4e55-B028-76839672609B}.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:5904
                        • C:\Windows\{B0A301D4-43E3-4347-862A-EA22E7FFECD0}.exe
                          C:\Windows\{B0A301D4-43E3-4347-862A-EA22E7FFECD0}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:5984
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{68909~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:1700
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{A10D1~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:1392
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{F5688~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:1568
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{D71B3~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:2348
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{94A68~1.EXE > nul
                  8⤵
                  • 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\{FA6E1~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:2404
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{3EDB5~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:1500
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{6539B~1.EXE > nul
            5⤵
            • 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\{67F93~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:4156
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{5D31D~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:5620
    • 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:4068

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        {3EDB5933-B097-400e-9161-714B6975C333}.exe

        • Path C:\Windows\{3EDB5933-B097-400e-9161-714B6975C333}.exe
        • Size 64KB
        • SHA256 f8fef17e69651dc4aa33a649638ce6f73ab74110eade4886296590cad5affbc3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5D31DF9C-FF86-4562-9EBD-2F360325C677}.exe

        • Path C:\Windows\{5D31DF9C-FF86-4562-9EBD-2F360325C677}.exe
        • Size 64KB
        • SHA256 4f51857dbf3c3a1e830b78c8873467845382bc0de5fbe94bb0ae80d03b90711e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {6539B851-90DA-411e-ACB9-BDDD99873907}.exe

        • Path C:\Windows\{6539B851-90DA-411e-ACB9-BDDD99873907}.exe
        • Size 64KB
        • SHA256 1ac69048bcface3d3f3ff77bde2986adc85ca1ecaf0a5d31cb18ea22a1239dcc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {67F932D2-D2D1-49d9-8B07-A7E21FEE7C8A}.exe

        • Path C:\Windows\{67F932D2-D2D1-49d9-8B07-A7E21FEE7C8A}.exe
        • Size 64KB
        • SHA256 45a09a85edaacf0b9ba9c871b7780e85430925e9fecee97720f1244079a01d4a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {68909304-E09C-4e55-B028-76839672609B}.exe

        • Path C:\Windows\{68909304-E09C-4e55-B028-76839672609B}.exe
        • Size 64KB
        • SHA256 9f82010f3480779af20f7e177639ba5d26c86848d351412abf3633865d3c6534
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {94A680FF-1B37-4713-A62B-9E31A1B3F7AC}.exe

        • Path C:\Windows\{94A680FF-1B37-4713-A62B-9E31A1B3F7AC}.exe
        • Size 64KB
        • SHA256 af1b29e42b2e31b4c49f4a7b5117abdc7cc57d24bc43a470465dbfb118699b93
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A10D138E-558C-4ac4-A906-24864DAB995B}.exe

        • Path C:\Windows\{A10D138E-558C-4ac4-A906-24864DAB995B}.exe
        • Size 64KB
        • SHA256 9e04addd18283a0dc319f9ace75e4d5f4bbb6032aeb672b8e1d62595364efc56
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {B0A301D4-43E3-4347-862A-EA22E7FFECD0}.exe

        • Path C:\Windows\{B0A301D4-43E3-4347-862A-EA22E7FFECD0}.exe
        • Size 64KB
        • SHA256 f9bc3ce6ec070e7000333dad2232700e0e16c2ef09c9743e53779f2ccad87309
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D71B3CAE-A689-4bd7-B3B0-8360E329588D}.exe

        • Path C:\Windows\{D71B3CAE-A689-4bd7-B3B0-8360E329588D}.exe
        • Size 64KB
        • SHA256 916723cc5dde35a24468c04d91ced82dd1c263c80cdf3eea54ce456d3eec5035
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F5688A90-00C0-41e5-9F8F-5E66E4E56027}.exe

        • Path C:\Windows\{F5688A90-00C0-41e5-9F8F-5E66E4E56027}.exe
        • Size 64KB
        • SHA256 3427eebd1f30d0c9d80ecea0b1c7ad5c2642545b4e2bf6844ec41e11561ef2ea
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {FA6E12C2-214C-47ef-906B-F72EE039E9B9}.exe

        • Path C:\Windows\{FA6E12C2-214C-47ef-906B-F72EE039E9B9}.exe
        • Size 64KB
        • SHA256 c293e5f9684de0eed31f67150621e9e2b76dfb19ec30c44db618caaa2e6100ff
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/620-64-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/620-69-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1052-7-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1052-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1052-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1612-43-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1612-50-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2512-37-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2512-41-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2512-35-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3372-28-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3372-33-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3740-62-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3740-57-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4668-49-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4668-55-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4788-6-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4788-12-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5904-71-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5904-78-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5912-21-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5912-27-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5976-14-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5976-20-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5984-77-0x0000000000400000-0x0000000000410000-memory.dmp