Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    20/10/2026, 09:21

General

  • Target
    2026-10-20_055a0abf7be6c31337fc6923ae91fe64_elex_remcos_wannacry.exe
  • Size 64KB
  • Sample261020-lbrfqsys2p
  • SHA256 e5126f446a32ea2c13b9eb90ad93136a0232cf5b458325c10247926ed9228579
  • 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 34 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 34 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\2026-10-20_055a0abf7be6c31337fc6923ae91fe64_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-20_055a0abf7be6c31337fc6923ae91fe64_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:4916
    • C:\Windows\{8E8A9D6E-A830-4ef8-B632-89ACCC221004}.exe
      C:\Windows\{8E8A9D6E-A830-4ef8-B632-89ACCC221004}.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:4236
      • C:\Windows\{D9131F73-060B-4dfa-8905-99ECC4E384B1}.exe
        C:\Windows\{D9131F73-060B-4dfa-8905-99ECC4E384B1}.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:1504
        • C:\Windows\{45A3FC48-636F-4094-A8A2-1A637A8A50E4}.exe
          C:\Windows\{45A3FC48-636F-4094-A8A2-1A637A8A50E4}.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:224
          • C:\Windows\{A2E108BC-4378-4afe-A4D1-D453913A235C}.exe
            C:\Windows\{A2E108BC-4378-4afe-A4D1-D453913A235C}.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:2472
            • C:\Windows\{CFDDC711-02A5-4fb2-B4BC-000E2924554B}.exe
              C:\Windows\{CFDDC711-02A5-4fb2-B4BC-000E2924554B}.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:1596
              • C:\Windows\{A8AF3E42-B364-4514-8465-E75E8C2EC18E}.exe
                C:\Windows\{A8AF3E42-B364-4514-8465-E75E8C2EC18E}.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:3740
                • C:\Windows\{18378B34-8AAC-445d-9EA7-F82016D1AD5D}.exe
                  C:\Windows\{18378B34-8AAC-445d-9EA7-F82016D1AD5D}.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:3812
                  • C:\Windows\{6215325F-955E-4d30-9333-E2587123ABCC}.exe
                    C:\Windows\{6215325F-955E-4d30-9333-E2587123ABCC}.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:3268
                    • C:\Windows\{2E36CEF7-3C6C-4d08-A4FB-D223F71F16B2}.exe
                      C:\Windows\{2E36CEF7-3C6C-4d08-A4FB-D223F71F16B2}.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:2032
                      • C:\Windows\{7A0016CB-15B4-4909-A4BB-6755D35DC171}.exe
                        C:\Windows\{7A0016CB-15B4-4909-A4BB-6755D35DC171}.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:1468
                        • C:\Windows\{33D0D40B-2492-49e3-BB03-67BDD5094C18}.exe
                          C:\Windows\{33D0D40B-2492-49e3-BB03-67BDD5094C18}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:1800
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{7A001~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:4652
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{2E36C~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:1556
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{62153~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:3168
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{18378~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:4628
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{A8AF3~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:4280
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{CFDDC~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:3256
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{A2E10~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:5044
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{45A3F~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:4888
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{D9131~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:220
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{8E8A9~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:2896
    • 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:4980

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        {18378B34-8AAC-445d-9EA7-F82016D1AD5D}.exe

        • Path C:\Windows\{18378B34-8AAC-445d-9EA7-F82016D1AD5D}.exe
        • Size 64KB
        • SHA256 61c046b21cfa87026d55537a1f37982664a7197297df9c8557e707b0561915b0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {2E36CEF7-3C6C-4d08-A4FB-D223F71F16B2}.exe

        • Path C:\Windows\{2E36CEF7-3C6C-4d08-A4FB-D223F71F16B2}.exe
        • Size 64KB
        • SHA256 4b06d8d54080fe81c99e14b017020ff21948c85a3d93da72a1ae31751ecffc39
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {33D0D40B-2492-49e3-BB03-67BDD5094C18}.exe

        • Path C:\Windows\{33D0D40B-2492-49e3-BB03-67BDD5094C18}.exe
        • Size 64KB
        • SHA256 e7ef4c983f7e1ede5fe1f2d1b57b5f5fba4c48250d0ebe5bd7a7c31b1535816f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {45A3FC48-636F-4094-A8A2-1A637A8A50E4}.exe

        • Path C:\Windows\{45A3FC48-636F-4094-A8A2-1A637A8A50E4}.exe
        • Size 64KB
        • SHA256 8e8967bff2a4518a538d741f178fc84834d80aa86a70b37059a5e41e45510b4f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {6215325F-955E-4d30-9333-E2587123ABCC}.exe

        • Path C:\Windows\{6215325F-955E-4d30-9333-E2587123ABCC}.exe
        • Size 64KB
        • SHA256 7ace9cbf4dfa8687081c1949daf210b9de3a5e5638dd6012daa5dce0374ef35f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {7A0016CB-15B4-4909-A4BB-6755D35DC171}.exe

        • Path C:\Windows\{7A0016CB-15B4-4909-A4BB-6755D35DC171}.exe
        • Size 64KB
        • SHA256 3912cd098dc43562f703474c826a63fd39f6a2293e2b22a316ec1547733330ee
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8E8A9D6E-A830-4ef8-B632-89ACCC221004}.exe

        • Path C:\Windows\{8E8A9D6E-A830-4ef8-B632-89ACCC221004}.exe
        • Size 64KB
        • SHA256 f16c4fec56f183cd07111fec949f008d4f995be95cb04377d41143d33c9c384b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A2E108BC-4378-4afe-A4D1-D453913A235C}.exe

        • Path C:\Windows\{A2E108BC-4378-4afe-A4D1-D453913A235C}.exe
        • Size 64KB
        • SHA256 4ab9c7403bce96e4c19e467db9dd0b0ea8550ec6145ef458180dcd980c1778b6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A8AF3E42-B364-4514-8465-E75E8C2EC18E}.exe

        • Path C:\Windows\{A8AF3E42-B364-4514-8465-E75E8C2EC18E}.exe
        • Size 64KB
        • SHA256 18ce9757252cbd4735b898ea3929b91c38da8df637f5d8ddeb4d8dca057d037a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CFDDC711-02A5-4fb2-B4BC-000E2924554B}.exe

        • Path C:\Windows\{CFDDC711-02A5-4fb2-B4BC-000E2924554B}.exe
        • Size 64KB
        • SHA256 91673534906e3f3bb1cf3b46b67afd94784f62fa966f547375b6cf823234868f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D9131F73-060B-4dfa-8905-99ECC4E384B1}.exe

        • Path C:\Windows\{D9131F73-060B-4dfa-8905-99ECC4E384B1}.exe
        • Size 64KB
        • SHA256 e4bc7e2fd16a20cc9fbb548d4a285edc2cc0044efdda0b6a4855e02272391441
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/224-19-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/224-22-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1468-60-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1468-64-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1468-58-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1504-17-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1504-12-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1596-35-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1800-65-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2032-52-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2032-56-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2472-24-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2472-29-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3268-50-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3740-40-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3740-36-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3812-45-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3812-41-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4236-5-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4236-11-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4916-7-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4916-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4916-1-0x0000000000400000-0x0000000000410000-memory.dmp