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
    23/10/2026, 22:46

General

  • Target
    2026-10-22_bb5ef71edfa8bb223fd93c36647ca2f4_elex_remcos_wannacry.exe
  • Size 64KB
  • Sample261023-2p542set6w
  • SHA256 7dbd5a194e631b5974dff0b17cf7ea62a90bf1285be3f58e0f31b98b0ba44a65
  • 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\2026-10-22_bb5ef71edfa8bb223fd93c36647ca2f4_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-22_bb5ef71edfa8bb223fd93c36647ca2f4_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:3704
    • C:\Windows\{3B22D25A-2000-4882-AFC5-5805773F31F2}.exe
      C:\Windows\{3B22D25A-2000-4882-AFC5-5805773F31F2}.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:108
      • C:\Windows\{9B532ED6-9BDA-4e82-9988-5A6CC68F01DB}.exe
        C:\Windows\{9B532ED6-9BDA-4e82-9988-5A6CC68F01DB}.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:6112
        • C:\Windows\{E4C9FE2B-623F-40a8-A3C8-226D6BADF3E0}.exe
          C:\Windows\{E4C9FE2B-623F-40a8-A3C8-226D6BADF3E0}.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:5892
          • C:\Windows\{D95EA244-F010-4710-9951-E7DD41246FF8}.exe
            C:\Windows\{D95EA244-F010-4710-9951-E7DD41246FF8}.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:4496
            • C:\Windows\{DAAB0870-808E-404e-84A0-B09037723460}.exe
              C:\Windows\{DAAB0870-808E-404e-84A0-B09037723460}.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:4704
              • C:\Windows\{DB7442BF-65A1-4186-96A1-AFCDC395787F}.exe
                C:\Windows\{DB7442BF-65A1-4186-96A1-AFCDC395787F}.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:5060
                • C:\Windows\{FD4F4E11-723F-404b-B302-10E9632FF737}.exe
                  C:\Windows\{FD4F4E11-723F-404b-B302-10E9632FF737}.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:2716
                  • C:\Windows\{3DF82CBC-09FB-4cd4-A997-3930F7E35C47}.exe
                    C:\Windows\{3DF82CBC-09FB-4cd4-A997-3930F7E35C47}.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:464
                    • C:\Windows\{5C5FA3E4-ADA0-4680-AA72-86F7CAF58AA3}.exe
                      C:\Windows\{5C5FA3E4-ADA0-4680-AA72-86F7CAF58AA3}.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:5640
                      • C:\Windows\{128F7875-1CFD-4cf8-A235-9BFE52C317BC}.exe
                        C:\Windows\{128F7875-1CFD-4cf8-A235-9BFE52C317BC}.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:3564
                        • C:\Windows\{86780914-547E-4856-B3D4-53DA3C511A77}.exe
                          C:\Windows\{86780914-547E-4856-B3D4-53DA3C511A77}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:5184
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{128F7~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:5600
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{5C5FA~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:5932
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{3DF82~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:3300
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{FD4F4~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:5488
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{DB744~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:3156
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{DAAB0~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:4360
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{D95EA~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:1084
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{E4C9F~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:5108
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{9B532~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:5796
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{3B22D~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:2696
    • 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:240

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        {128F7875-1CFD-4cf8-A235-9BFE52C317BC}.exe

        • Path C:\Windows\{128F7875-1CFD-4cf8-A235-9BFE52C317BC}.exe
        • Size 64KB
        • SHA256 2cc5f2329f7893c7d511883a6099d487623bf30d6144f5f70b1c819cbbc7d139
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3B22D25A-2000-4882-AFC5-5805773F31F2}.exe

        • Path C:\Windows\{3B22D25A-2000-4882-AFC5-5805773F31F2}.exe
        • Size 64KB
        • SHA256 923bd706145b497c585f92b384da6290f2b65db1fb49a99117f5bed6a241e62d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3DF82CBC-09FB-4cd4-A997-3930F7E35C47}.exe

        • Path C:\Windows\{3DF82CBC-09FB-4cd4-A997-3930F7E35C47}.exe
        • Size 64KB
        • SHA256 f36d7638f59f96928a2c62ac5f2af6c2119fa326771a179dc40f26978e0ffa5d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5C5FA3E4-ADA0-4680-AA72-86F7CAF58AA3}.exe

        • Path C:\Windows\{5C5FA3E4-ADA0-4680-AA72-86F7CAF58AA3}.exe
        • Size 64KB
        • SHA256 9e610ddacab79bbbde34b9e9ee75de114fe3e6904657823a688ee96cdec015af
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {86780914-547E-4856-B3D4-53DA3C511A77}.exe

        • Path C:\Windows\{86780914-547E-4856-B3D4-53DA3C511A77}.exe
        • Size 64KB
        • SHA256 96ca03f707237fef6610396b843d4e6f477a589e2442f67d0821cefdffa2449b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {9B532ED6-9BDA-4e82-9988-5A6CC68F01DB}.exe

        • Path C:\Windows\{9B532ED6-9BDA-4e82-9988-5A6CC68F01DB}.exe
        • Size 64KB
        • SHA256 7d907cbb4c5340ead3d9b27b439506ee71be4278107ca484607c754f789edd92
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D95EA244-F010-4710-9951-E7DD41246FF8}.exe

        • Path C:\Windows\{D95EA244-F010-4710-9951-E7DD41246FF8}.exe
        • Size 64KB
        • SHA256 89a7c20aec1de3ac2eeb919a34bb38cf30fba9e5bad9c23df4f6e2ec587cae05
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {DAAB0870-808E-404e-84A0-B09037723460}.exe

        • Path C:\Windows\{DAAB0870-808E-404e-84A0-B09037723460}.exe
        • Size 64KB
        • SHA256 5f7d2f0f40e13f5bf8c129a4494863c3f21c3865d99a053cbf2c5c2dc1932513
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {DB7442BF-65A1-4186-96A1-AFCDC395787F}.exe

        • Path C:\Windows\{DB7442BF-65A1-4186-96A1-AFCDC395787F}.exe
        • Size 64KB
        • SHA256 5d141127cb582ee0082f6ac2b5b5d1c606761e237401452013b4bf1c8930b06a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E4C9FE2B-623F-40a8-A3C8-226D6BADF3E0}.exe

        • Path C:\Windows\{E4C9FE2B-623F-40a8-A3C8-226D6BADF3E0}.exe
        • Size 64KB
        • SHA256 fb777e4d3e677b4261b96ba1cc0b05642474f9326e6192ca71f05dde43646cbf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {FD4F4E11-723F-404b-B302-10E9632FF737}.exe

        • Path C:\Windows\{FD4F4E11-723F-404b-B302-10E9632FF737}.exe
        • Size 64KB
        • SHA256 fcde63eb08a3b3d9639ec16fd9ab7347aafa1d668b3536cb0d79c38b6b6dd4d4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/108-12-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/108-6-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/464-56-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/464-61-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2716-54-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2716-49-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3564-70-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3564-77-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3704-8-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3704-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3704-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4496-35-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4496-27-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4704-40-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4704-34-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5060-47-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5060-42-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5184-76-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5640-63-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5640-69-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5892-28-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5892-21-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6112-19-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6112-14-0x0000000000400000-0x0000000000410000-memory.dmp