Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/11/2026, 12:53

General

  • Target
    2026-11-01_a3f8626fa0e4ea4f16e3385f5a9fbd05_elex_remcos_wannacry.exe
  • Size 64KB
  • Sample261102-p43k9act2j
  • SHA256 23f28321022a7bef307c0e56c5e21d95c3c71e679351ce2ed3ae7df840d01a52
  • 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 32 IoCs
  • Custom signature
    Detects Windows executables referencing non-Windows User-Agents 32 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\2026-11-01_a3f8626fa0e4ea4f16e3385f5a9fbd05_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-01_a3f8626fa0e4ea4f16e3385f5a9fbd05_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:4540
    • C:\Windows\{B10E63A4-1851-4ebb-9332-54D9FF30500B}.exe
      C:\Windows\{B10E63A4-1851-4ebb-9332-54D9FF30500B}.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:868
      • C:\Windows\{7B6DA5F8-0D98-44a1-9173-32D32DCD7571}.exe
        C:\Windows\{7B6DA5F8-0D98-44a1-9173-32D32DCD7571}.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:4612
        • C:\Windows\{C8D9835C-57E1-4e17-86DC-EC142571799D}.exe
          C:\Windows\{C8D9835C-57E1-4e17-86DC-EC142571799D}.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:4648
          • C:\Windows\{9D2AE825-F771-4d77-AEBE-CE055AA3E1CE}.exe
            C:\Windows\{9D2AE825-F771-4d77-AEBE-CE055AA3E1CE}.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:4364
            • C:\Windows\{0D2A8923-F054-469b-863B-DAACFC4BB576}.exe
              C:\Windows\{0D2A8923-F054-469b-863B-DAACFC4BB576}.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:1136
              • C:\Windows\{5684937E-4C95-49c0-A7D8-810ED6490759}.exe
                C:\Windows\{5684937E-4C95-49c0-A7D8-810ED6490759}.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:1824
                • C:\Windows\{7E63B2D9-DF9F-4006-9C78-0EB921F93A7E}.exe
                  C:\Windows\{7E63B2D9-DF9F-4006-9C78-0EB921F93A7E}.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:1316
                  • C:\Windows\{A94119B1-F140-43c6-834A-2CC62092E331}.exe
                    C:\Windows\{A94119B1-F140-43c6-834A-2CC62092E331}.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:4680
                    • C:\Windows\{67158CD9-A87A-45a3-B9E8-61EF273F24A8}.exe
                      C:\Windows\{67158CD9-A87A-45a3-B9E8-61EF273F24A8}.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:4728
                      • C:\Windows\{F55A51FF-E091-4a1a-98B4-BBE55BBE330D}.exe
                        C:\Windows\{F55A51FF-E091-4a1a-98B4-BBE55BBE330D}.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:1180
                        • C:\Windows\{1768B599-9AE4-4947-8C80-2E7507245A70}.exe
                          C:\Windows\{1768B599-9AE4-4947-8C80-2E7507245A70}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:4212
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{F55A5~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:1636
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{67158~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:2960
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{A9411~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:4108
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{7E63B~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:3940
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{56849~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:2024
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{0D2A8~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:3704
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{9D2AE~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:1684
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{C8D98~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:5008
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{7B6DA~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:4020
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{B10E6~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:4688
    • 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:2792

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {0D2A8923-F054-469b-863B-DAACFC4BB576}.exe

        • Path C:\Windows\{0D2A8923-F054-469b-863B-DAACFC4BB576}.exe
        • Size 64KB
        • SHA256 5e6ccad347cef0008eca4a02a616d869018a3514ec53bc7c4dda30446b2196ae
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {1768B599-9AE4-4947-8C80-2E7507245A70}.exe

        • Path C:\Windows\{1768B599-9AE4-4947-8C80-2E7507245A70}.exe
        • Size 64KB
        • SHA256 93bb0b2960361413a7f63042f05d6902e66d86b3523752c9a655082f4fabbd49
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5684937E-4C95-49c0-A7D8-810ED6490759}.exe

        • Path C:\Windows\{5684937E-4C95-49c0-A7D8-810ED6490759}.exe
        • Size 64KB
        • SHA256 9b4f02e9f78826f82cf70e051eb90010e82d7b65ad126f15899b4f54e79478e2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {67158CD9-A87A-45a3-B9E8-61EF273F24A8}.exe

        • Path C:\Windows\{67158CD9-A87A-45a3-B9E8-61EF273F24A8}.exe
        • Size 64KB
        • SHA256 7fc9fa25904e885c07b281712b7756975a6375547a743166d9ac32a3166f4667
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {7B6DA5F8-0D98-44a1-9173-32D32DCD7571}.exe

        • Path C:\Windows\{7B6DA5F8-0D98-44a1-9173-32D32DCD7571}.exe
        • Size 64KB
        • SHA256 50233252cb79198f23df09de3380fdc7bd3b8b4c0482843c9262649193365d38
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {7E63B2D9-DF9F-4006-9C78-0EB921F93A7E}.exe

        • Path C:\Windows\{7E63B2D9-DF9F-4006-9C78-0EB921F93A7E}.exe
        • Size 64KB
        • SHA256 f53c754115cbc3f760220b4e3a5d331bfb5d5bb8bae34c79976c4b19fdf8a7fe
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {9D2AE825-F771-4d77-AEBE-CE055AA3E1CE}.exe

        • Path C:\Windows\{9D2AE825-F771-4d77-AEBE-CE055AA3E1CE}.exe
        • Size 64KB
        • SHA256 23ee7c523ac7e6f6efac20649ad15135aaac19de29839288dec1d08a173878a1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A94119B1-F140-43c6-834A-2CC62092E331}.exe

        • Path C:\Windows\{A94119B1-F140-43c6-834A-2CC62092E331}.exe
        • Size 64KB
        • SHA256 6c673823b1b264d5f317db79716bddeef49ab4d9159a69a768d968cafdbdb66a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {B10E63A4-1851-4ebb-9332-54D9FF30500B}.exe

        • Path C:\Windows\{B10E63A4-1851-4ebb-9332-54D9FF30500B}.exe
        • Size 64KB
        • SHA256 a939287a1961fa901749d4d4299478dbd65eaf0d8f675cf57464dbc08d5a9141
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {C8D9835C-57E1-4e17-86DC-EC142571799D}.exe

        • Path C:\Windows\{C8D9835C-57E1-4e17-86DC-EC142571799D}.exe
        • Size 64KB
        • SHA256 a890079378f94e8ca1c96e928eb9f3084cfccf71fcae80fe0095569fd24251f9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F55A51FF-E091-4a1a-98B4-BBE55BBE330D}.exe

        • Path C:\Windows\{F55A51FF-E091-4a1a-98B4-BBE55BBE330D}.exe
        • Size 64KB
        • SHA256 b52e29f6c8bbd015cf1f481f05389c9511b87911ae81fd0e21b9895d96b113b8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/868-12-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/868-5-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/868-8-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1136-36-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1136-32-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1180-62-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1316-47-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1824-42-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1824-37-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4364-30-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4364-25-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4540-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4540-7-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4540-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4612-13-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4612-18-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4648-20-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4648-24-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4680-48-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4680-53-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4728-58-0x0000000000400000-0x0000000000410000-memory.dmp