Analysis

  • max time kernel
    148s
  • max time network
    124s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/10/2026, 08:46

General

  • Target
    2026-10-26_b4cfaef37faa20faa86f6934038b68b8_elex_remcos_wannacry.exe
  • Size 60KB
  • Sample261027-kpdlcssxcx
  • SHA256 aa6ae1ac014f09c9e5d381099719c51577b06ada7b143916350b66e8c00d98d7
  • 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\2026-10-26_b4cfaef37faa20faa86f6934038b68b8_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-26_b4cfaef37faa20faa86f6934038b68b8_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:4808
    • C:\Windows\{42AB1891-CD58-4ebb-93C4-A4045C3A71CA}.exe
      C:\Windows\{42AB1891-CD58-4ebb-93C4-A4045C3A71CA}.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:5136
      • C:\Windows\{5CC702B8-5D33-47ee-8F07-31F4CEA63E84}.exe
        C:\Windows\{5CC702B8-5D33-47ee-8F07-31F4CEA63E84}.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:3604
        • C:\Windows\{5B931003-9950-447e-9230-F0653CDA5AD2}.exe
          C:\Windows\{5B931003-9950-447e-9230-F0653CDA5AD2}.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:4376
          • C:\Windows\{4606CCEF-6C1B-4037-B53B-8B52B590A3F8}.exe
            C:\Windows\{4606CCEF-6C1B-4037-B53B-8B52B590A3F8}.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:5708
            • C:\Windows\{F257AA7F-47A4-40dd-BEC8-051A38FB4C39}.exe
              C:\Windows\{F257AA7F-47A4-40dd-BEC8-051A38FB4C39}.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:3300
              • C:\Windows\{FC68AE2C-7AAB-46f2-99EC-1E8CF179F1FD}.exe
                C:\Windows\{FC68AE2C-7AAB-46f2-99EC-1E8CF179F1FD}.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:1356
                • C:\Windows\{0003F56A-D183-4468-829C-BE5FB84626A6}.exe
                  C:\Windows\{0003F56A-D183-4468-829C-BE5FB84626A6}.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:5628
                  • C:\Windows\{7CB88E4A-7FD1-42ca-B18F-A00930AEC4F1}.exe
                    C:\Windows\{7CB88E4A-7FD1-42ca-B18F-A00930AEC4F1}.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:3568
                    • C:\Windows\{8BCFB50A-2BB0-49c5-971C-B844D34DFDB3}.exe
                      C:\Windows\{8BCFB50A-2BB0-49c5-971C-B844D34DFDB3}.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:5636
                      • C:\Windows\{317FEC33-AB92-4a2f-B959-4B0F974B020D}.exe
                        C:\Windows\{317FEC33-AB92-4a2f-B959-4B0F974B020D}.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:1128
                        • C:\Windows\{94F33263-37AF-4e1f-9C20-356B398E046A}.exe
                          C:\Windows\{94F33263-37AF-4e1f-9C20-356B398E046A}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:1480
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{317FE~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:4540
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{8BCFB~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:1152
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{7CB88~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:3112
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{0003F~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:2392
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{FC68A~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:5408
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{F257A~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:4316
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{4606C~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:1284
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{5B931~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:4744
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{5CC70~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:1940
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{42AB1~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:4080
    • 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:3780

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        {0003F56A-D183-4468-829C-BE5FB84626A6}.exe

        • Path C:\Windows\{0003F56A-D183-4468-829C-BE5FB84626A6}.exe
        • Size 60KB
        • SHA256 69fd428f7e114317b0df1807bcc97238effa666135049094f5db86a82a2faf25
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {317FEC33-AB92-4a2f-B959-4B0F974B020D}.exe

        • Path C:\Windows\{317FEC33-AB92-4a2f-B959-4B0F974B020D}.exe
        • Size 60KB
        • SHA256 f079f42bce1944f5220567f03b79d57f6b322dc275f3efa12bc0bd8775e2c78a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {42AB1891-CD58-4ebb-93C4-A4045C3A71CA}.exe

        • Path C:\Windows\{42AB1891-CD58-4ebb-93C4-A4045C3A71CA}.exe
        • Size 60KB
        • SHA256 747e4c215361edf3bafe3ea8ba288761748f5eee2a34594cc7a420e6fe7f2011
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {4606CCEF-6C1B-4037-B53B-8B52B590A3F8}.exe

        • Path C:\Windows\{4606CCEF-6C1B-4037-B53B-8B52B590A3F8}.exe
        • Size 60KB
        • SHA256 d5d860bf2ecdc01b5b23b4e9d9fb005bca08a913e2854c9bd9db9a077d0d71bc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5B931003-9950-447e-9230-F0653CDA5AD2}.exe

        • Path C:\Windows\{5B931003-9950-447e-9230-F0653CDA5AD2}.exe
        • Size 60KB
        • SHA256 f02c0d8f4e4065981a2436e455ba85f981974b51b5fe925d7fe2bc3d05ef1ef4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5CC702B8-5D33-47ee-8F07-31F4CEA63E84}.exe

        • Path C:\Windows\{5CC702B8-5D33-47ee-8F07-31F4CEA63E84}.exe
        • Size 60KB
        • SHA256 d79d21a9493004d0d607c1f935b5b1af1719734bc233d10851caa864e249967b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {7CB88E4A-7FD1-42ca-B18F-A00930AEC4F1}.exe

        • Path C:\Windows\{7CB88E4A-7FD1-42ca-B18F-A00930AEC4F1}.exe
        • Size 60KB
        • SHA256 ec914f63fc28e695d898211a4f5798d45910096f45e5f2243172cf3bc1dee480
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8BCFB50A-2BB0-49c5-971C-B844D34DFDB3}.exe

        • Path C:\Windows\{8BCFB50A-2BB0-49c5-971C-B844D34DFDB3}.exe
        • Size 60KB
        • SHA256 38f72f79df93851f3f496d4e340c3e9575e8a6ff6ca386e6ebd18a87f12117e8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {94F33263-37AF-4e1f-9C20-356B398E046A}.exe

        • Path C:\Windows\{94F33263-37AF-4e1f-9C20-356B398E046A}.exe
        • Size 60KB
        • SHA256 6191d23e81d2085eba5b74360f78903a84de1b5b2c91f14dbda3c04d2ef09887
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F257AA7F-47A4-40dd-BEC8-051A38FB4C39}.exe

        • Path C:\Windows\{F257AA7F-47A4-40dd-BEC8-051A38FB4C39}.exe
        • Size 60KB
        • SHA256 2864095507f56283fa343ef2d1d922b3271bae613fd240b6c7709287944daedd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {FC68AE2C-7AAB-46f2-99EC-1E8CF179F1FD}.exe

        • Path C:\Windows\{FC68AE2C-7AAB-46f2-99EC-1E8CF179F1FD}.exe
        • Size 60KB
        • SHA256 4cc292f3700f3c6038c24a09bb986949eff39353623893310b4184f490543704
        • MD5 SHA1 SHA512 SSDEEP TLSH