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
    17/10/2026, 01:09

General

  • Target
    2026-10-16_fefa4e6f9fcd9b7549a37f894cf5bc91_elex_remcos_wannacry.exe
  • Size 64KB
  • Sample261017-bhsx2afv2m
  • SHA256 b6805be51b051949113d19be59a33104e3b48e97f4f7387adb055ddc25a4470a
  • 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 35 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 35 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\2026-10-16_fefa4e6f9fcd9b7549a37f894cf5bc91_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-16_fefa4e6f9fcd9b7549a37f894cf5bc91_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:4852
    • C:\Windows\{280323E6-931D-4577-85B6-9732D2486CA1}.exe
      C:\Windows\{280323E6-931D-4577-85B6-9732D2486CA1}.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:2476
      • C:\Windows\{084E0476-AF08-4976-815B-EE4B955C9075}.exe
        C:\Windows\{084E0476-AF08-4976-815B-EE4B955C9075}.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:4920
        • C:\Windows\{CF4BAA3B-75EA-4246-9702-A998F3BECD07}.exe
          C:\Windows\{CF4BAA3B-75EA-4246-9702-A998F3BECD07}.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:3352
          • C:\Windows\{623E0522-0126-4d35-9CAE-D220BB38C741}.exe
            C:\Windows\{623E0522-0126-4d35-9CAE-D220BB38C741}.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:1840
            • C:\Windows\{C0262029-3A50-45ed-B4DB-40AD7CD057D6}.exe
              C:\Windows\{C0262029-3A50-45ed-B4DB-40AD7CD057D6}.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:4532
              • C:\Windows\{686CE2BF-D59E-40b7-B8D9-63BB1231F703}.exe
                C:\Windows\{686CE2BF-D59E-40b7-B8D9-63BB1231F703}.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:4616
                • C:\Windows\{5FCEAB8B-D9A4-4c4c-AD62-467042D22DF2}.exe
                  C:\Windows\{5FCEAB8B-D9A4-4c4c-AD62-467042D22DF2}.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:5892
                  • C:\Windows\{162034B8-93A5-4f0f-8EC5-0226AB0F888E}.exe
                    C:\Windows\{162034B8-93A5-4f0f-8EC5-0226AB0F888E}.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:2680
                    • C:\Windows\{C70C5217-A8AA-4684-8872-23F584AB6E07}.exe
                      C:\Windows\{C70C5217-A8AA-4684-8872-23F584AB6E07}.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:6124
                      • C:\Windows\{5B9F0162-1B91-400d-B55D-D48907F12B5B}.exe
                        C:\Windows\{5B9F0162-1B91-400d-B55D-D48907F12B5B}.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:5720
                        • C:\Windows\{73AA5692-CB3B-4b7f-8068-45867C134B30}.exe
                          C:\Windows\{73AA5692-CB3B-4b7f-8068-45867C134B30}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:3228
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{5B9F0~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:2564
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{C70C5~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:4948
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{16203~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:4284
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{5FCEA~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:2504
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{686CE~1.EXE > nul
                  8⤵
                  • 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\{C0262~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:5956
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{623E0~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:1272
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{CF4BA~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:4752
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{084E0~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:2544
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{28032~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:4364
    • 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:5028

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {084E0476-AF08-4976-815B-EE4B955C9075}.exe

        • Path C:\Windows\{084E0476-AF08-4976-815B-EE4B955C9075}.exe
        • Size 64KB
        • SHA256 31dde21e0d819a3064a35bb52dd5e3f7675283646c3740e58c663b824386cbe2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {162034B8-93A5-4f0f-8EC5-0226AB0F888E}.exe

        • Path C:\Windows\{162034B8-93A5-4f0f-8EC5-0226AB0F888E}.exe
        • Size 64KB
        • SHA256 d0a87d4e1d7158633107ebbcdb499b3238f51df8d340c5e0a3043739fe9f1506
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {280323E6-931D-4577-85B6-9732D2486CA1}.exe

        • Path C:\Windows\{280323E6-931D-4577-85B6-9732D2486CA1}.exe
        • Size 64KB
        • SHA256 5ce56765649d13a3f2b6d690cff3fe96bce57962549d39937dc22a6f8a480e2b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5B9F0162-1B91-400d-B55D-D48907F12B5B}.exe

        • Path C:\Windows\{5B9F0162-1B91-400d-B55D-D48907F12B5B}.exe
        • Size 64KB
        • SHA256 a628e062b08e6c2eefed31bc5970c4dcf759749cd2b04ded9ac01cda31523151
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5FCEAB8B-D9A4-4c4c-AD62-467042D22DF2}.exe

        • Path C:\Windows\{5FCEAB8B-D9A4-4c4c-AD62-467042D22DF2}.exe
        • Size 64KB
        • SHA256 ba9c7308c7ff0a4d1152d0f024132230b8bcecc3a81672e4de3b6d4642af4189
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {623E0522-0126-4d35-9CAE-D220BB38C741}.exe

        • Path C:\Windows\{623E0522-0126-4d35-9CAE-D220BB38C741}.exe
        • Size 64KB
        • SHA256 d11eb08b2ab32f5b5a284da8dd3651fa34d2249d0e19ba3a56797bc27ede88c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {686CE2BF-D59E-40b7-B8D9-63BB1231F703}.exe

        • Path C:\Windows\{686CE2BF-D59E-40b7-B8D9-63BB1231F703}.exe
        • Size 64KB
        • SHA256 3a2d9d5a5e2c451f8b3c474868bec60f5fa4fd2e67bb8c9d33c9a1a724aa722b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {73AA5692-CB3B-4b7f-8068-45867C134B30}.exe

        • Path C:\Windows\{73AA5692-CB3B-4b7f-8068-45867C134B30}.exe
        • Size 64KB
        • SHA256 348ddc8032ce8d6a295e8f500133e29fafed1263268e84c2d992e7a19989d797
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {C0262029-3A50-45ed-B4DB-40AD7CD057D6}.exe

        • Path C:\Windows\{C0262029-3A50-45ed-B4DB-40AD7CD057D6}.exe
        • Size 64KB
        • SHA256 d9d695cd3d30f11c0a19154ac16f67ddb4f9c025550a339b2527fb9bbe50f717
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {C70C5217-A8AA-4684-8872-23F584AB6E07}.exe

        • Path C:\Windows\{C70C5217-A8AA-4684-8872-23F584AB6E07}.exe
        • Size 64KB
        • SHA256 eaea46af4d1bb47044d4209c0a9f28fc9ca300d17aa7fa60a7e96cdb51fabff6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CF4BAA3B-75EA-4246-9702-A998F3BECD07}.exe

        • Path C:\Windows\{CF4BAA3B-75EA-4246-9702-A998F3BECD07}.exe
        • Size 64KB
        • SHA256 6ce3e4ec0396822c7daad555f4582cf5f62b42aac3014cef14640b566d41a5d5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1840-34-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1840-27-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2476-14-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2476-6-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2680-61-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2680-56-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3228-77-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3352-21-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3352-29-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4532-40-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4532-36-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4616-48-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4616-42-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4852-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4852-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4852-8-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4920-19-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4920-13-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5720-70-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5720-75-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5892-54-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5892-49-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6124-63-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6124-68-0x0000000000400000-0x0000000000410000-memory.dmp