Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/10/2026, 23:35

General

  • Target
    2026-10-22_b5e6a280ab60ef2b6e7bfbe77275ffd2_elex_remcos_wannacry.exe
  • Size 59KB
  • Sample261023-3lhd9av13r
  • SHA256 dc1af14dc1b3100c32e27567e8c1a088bd93f0addc0c29dc89041a58cfef09bd
  • 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\2026-10-22_b5e6a280ab60ef2b6e7bfbe77275ffd2_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-22_b5e6a280ab60ef2b6e7bfbe77275ffd2_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:2900
    • C:\Windows\{32F77979-DA02-4212-AF99-AA20DDE1AD30}.exe
      C:\Windows\{32F77979-DA02-4212-AF99-AA20DDE1AD30}.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:260
      • C:\Windows\{CBC294E8-A68F-458c-B5BB-F2408FE56A27}.exe
        C:\Windows\{CBC294E8-A68F-458c-B5BB-F2408FE56A27}.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:4264
        • C:\Windows\{160403AD-C139-4615-A30A-C5EA2B856162}.exe
          C:\Windows\{160403AD-C139-4615-A30A-C5EA2B856162}.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:5200
          • C:\Windows\{76A74285-09D0-413b-B979-5A15169AFA5D}.exe
            C:\Windows\{76A74285-09D0-413b-B979-5A15169AFA5D}.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:4256
            • C:\Windows\{A1A23ACE-A3C9-42be-9206-9150A9E10515}.exe
              C:\Windows\{A1A23ACE-A3C9-42be-9206-9150A9E10515}.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:616
              • C:\Windows\{038473BC-1396-4a55-A6B8-F676DFDC2074}.exe
                C:\Windows\{038473BC-1396-4a55-A6B8-F676DFDC2074}.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:2088
                • C:\Windows\{5CBC4481-1FC7-4468-B7FF-EC7C83AC4FBF}.exe
                  C:\Windows\{5CBC4481-1FC7-4468-B7FF-EC7C83AC4FBF}.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:1472
                  • C:\Windows\{A5C9C02F-B0B4-402b-AACB-E374D0A6AE5C}.exe
                    C:\Windows\{A5C9C02F-B0B4-402b-AACB-E374D0A6AE5C}.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:5096
                    • C:\Windows\{EE938904-DFD3-49f9-80D9-EB8D4B298D18}.exe
                      C:\Windows\{EE938904-DFD3-49f9-80D9-EB8D4B298D18}.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:2312
                      • C:\Windows\{DB2425C5-B5A9-40a2-BFDF-EE356E70CA47}.exe
                        C:\Windows\{DB2425C5-B5A9-40a2-BFDF-EE356E70CA47}.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:5592
                        • C:\Windows\{73501712-E5A9-4544-AECB-1FC4160178AD}.exe
                          C:\Windows\{73501712-E5A9-4544-AECB-1FC4160178AD}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:5372
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{DB242~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:1452
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{EE938~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:5964
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{A5C9C~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:4000
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{5CBC4~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:2480
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{03847~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:4676
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{A1A23~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:2680
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{76A74~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:2840
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{16040~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:432
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{CBC29~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:1760
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{32F77~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:3988
    • 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:1704

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {038473BC-1396-4a55-A6B8-F676DFDC2074}.exe

        • Path C:\Windows\{038473BC-1396-4a55-A6B8-F676DFDC2074}.exe
        • Size 59KB
        • SHA256 874e5a4737b4011dfd86d7f5c1bae403c494f8079a27cc9b6e099d68cf354a3f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {160403AD-C139-4615-A30A-C5EA2B856162}.exe

        • Path C:\Windows\{160403AD-C139-4615-A30A-C5EA2B856162}.exe
        • Size 59KB
        • SHA256 2ae4a56800e35989399ee671be8412d316007fd47ecd57f81a17467377db017d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {32F77979-DA02-4212-AF99-AA20DDE1AD30}.exe

        • Path C:\Windows\{32F77979-DA02-4212-AF99-AA20DDE1AD30}.exe
        • Size 59KB
        • SHA256 e69cad6e216db3ef5c439d722ae2e002e52cf074a5e4f993261421c70e3ab74d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5CBC4481-1FC7-4468-B7FF-EC7C83AC4FBF}.exe

        • Path C:\Windows\{5CBC4481-1FC7-4468-B7FF-EC7C83AC4FBF}.exe
        • Size 59KB
        • SHA256 ede160a4144044573bbd316b932b3fd8a481610d2494d3dafe9dfae770b78f1d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {73501712-E5A9-4544-AECB-1FC4160178AD}.exe

        • Path C:\Windows\{73501712-E5A9-4544-AECB-1FC4160178AD}.exe
        • Size 59KB
        • SHA256 eb3549e203629e58c1de9a86d6e7acb93c27259b0b91e71d4592c8db988bc878
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {76A74285-09D0-413b-B979-5A15169AFA5D}.exe

        • Path C:\Windows\{76A74285-09D0-413b-B979-5A15169AFA5D}.exe
        • Size 59KB
        • SHA256 d2fc76119904aa34ff10ae729cb4f87b36a155cc842bad36edccb92ec2d1dc9c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A1A23ACE-A3C9-42be-9206-9150A9E10515}.exe

        • Path C:\Windows\{A1A23ACE-A3C9-42be-9206-9150A9E10515}.exe
        • Size 59KB
        • SHA256 61a5e016d28966e0b42155265f82f2facb7d5aa6cbfe3d88b2a16fae24dea5a3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A5C9C02F-B0B4-402b-AACB-E374D0A6AE5C}.exe

        • Path C:\Windows\{A5C9C02F-B0B4-402b-AACB-E374D0A6AE5C}.exe
        • Size 59KB
        • SHA256 b104342b23ad63f70d9ff35692a1e87844338a09568d3cf2e74de991f86cac5b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CBC294E8-A68F-458c-B5BB-F2408FE56A27}.exe

        • Path C:\Windows\{CBC294E8-A68F-458c-B5BB-F2408FE56A27}.exe
        • Size 59KB
        • SHA256 2ebb76b2083d7ffde8c2487339f487a02aac98e94f53355200c33c9480db650a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {DB2425C5-B5A9-40a2-BFDF-EE356E70CA47}.exe

        • Path C:\Windows\{DB2425C5-B5A9-40a2-BFDF-EE356E70CA47}.exe
        • Size 59KB
        • SHA256 b5a6e3a8444021feeafe1abb2027dd4b2121f71cbbbb9be09addda78ff073c6f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {EE938904-DFD3-49f9-80D9-EB8D4B298D18}.exe

        • Path C:\Windows\{EE938904-DFD3-49f9-80D9-EB8D4B298D18}.exe
        • Size 59KB
        • SHA256 7c7a61ff46c38b13481cbe918c7cefc7b8b0018ad2027b3d6ae8150b468b359c
        • MD5 SHA1 SHA512 SSDEEP TLSH