Analysis

  • max time kernel
    148s
  • max time network
    141s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/10/2026, 23:19

General

  • Target
    2026-10-24_42da5d97b8c0f61f187abc3893f4715d_elex_remcos_wannacry.exe
  • Size 60KB
  • Sample261025-3a4hcattas
  • SHA256 9c824a253ba9a46cc0e919e527c1c93e768a0ed5009e26cfd53a2fe40e3a49bc
  • 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 36 IoCs
  • Custom signature
    Detects Windows executables referencing non-Windows User-Agents 36 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\2026-10-24_42da5d97b8c0f61f187abc3893f4715d_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-24_42da5d97b8c0f61f187abc3893f4715d_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\{8E5B6772-9C32-415f-B67D-F70C47432422}.exe
      C:\Windows\{8E5B6772-9C32-415f-B67D-F70C47432422}.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:4516
      • C:\Windows\{748ED229-369E-4d24-B1D4-A6B1923A490F}.exe
        C:\Windows\{748ED229-369E-4d24-B1D4-A6B1923A490F}.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:4380
        • C:\Windows\{9A3A660D-A93A-48a4-8CB0-27DC6BB158D9}.exe
          C:\Windows\{9A3A660D-A93A-48a4-8CB0-27DC6BB158D9}.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:4140
          • C:\Windows\{6E207AB7-CD01-475c-A256-9C0DFC484D95}.exe
            C:\Windows\{6E207AB7-CD01-475c-A256-9C0DFC484D95}.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:5800
            • C:\Windows\{7DC534CD-831B-408d-B1BB-0855EBAE039A}.exe
              C:\Windows\{7DC534CD-831B-408d-B1BB-0855EBAE039A}.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:3872
              • C:\Windows\{A9E3FABB-BCDC-4865-AD32-1A7C5A0DFECA}.exe
                C:\Windows\{A9E3FABB-BCDC-4865-AD32-1A7C5A0DFECA}.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:5952
                • C:\Windows\{CDD0FAD1-F93A-45e1-B4FF-04332471429C}.exe
                  C:\Windows\{CDD0FAD1-F93A-45e1-B4FF-04332471429C}.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:1760
                  • C:\Windows\{6E60FDAC-FF75-482f-8441-C68252C05AAA}.exe
                    C:\Windows\{6E60FDAC-FF75-482f-8441-C68252C05AAA}.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:976
                    • C:\Windows\{E8E84189-B0A6-4eff-B68E-A6FF1412E2BA}.exe
                      C:\Windows\{E8E84189-B0A6-4eff-B68E-A6FF1412E2BA}.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:1700
                      • C:\Windows\{66F8DA36-7C36-45ba-A9E4-9CBB590266F7}.exe
                        C:\Windows\{66F8DA36-7C36-45ba-A9E4-9CBB590266F7}.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:4252
                        • C:\Windows\{C82A1801-F984-434b-916C-B64125885B2E}.exe
                          C:\Windows\{C82A1801-F984-434b-916C-B64125885B2E}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:1256
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{66F8D~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:5376
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{E8E84~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:5840
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{6E60F~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:2512
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{CDD0F~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:2732
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{A9E3F~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:4436
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{7DC53~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:6052
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{6E207~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:1540
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{9A3A6~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:3020
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{748ED~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:4476
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{8E5B6~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:4524
    • 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:4136

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {66F8DA36-7C36-45ba-A9E4-9CBB590266F7}.exe

        • Path C:\Windows\{66F8DA36-7C36-45ba-A9E4-9CBB590266F7}.exe
        • Size 60KB
        • SHA256 8e26a74594fec6b0fc29c237a5248f9bfa0be2aefb294a1d5f84063255ca2c0b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {6E207AB7-CD01-475c-A256-9C0DFC484D95}.exe

        • Path C:\Windows\{6E207AB7-CD01-475c-A256-9C0DFC484D95}.exe
        • Size 60KB
        • SHA256 f72234fd6cafefbd4c130bb9328eff8f95f9559c6e5bb464619097a857010e1d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {6E60FDAC-FF75-482f-8441-C68252C05AAA}.exe

        • Path C:\Windows\{6E60FDAC-FF75-482f-8441-C68252C05AAA}.exe
        • Size 60KB
        • SHA256 c8146d7abf4d3a25e5973e7cdeaf52240fbc43650ba87a0655cc3e044727c0d5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {748ED229-369E-4d24-B1D4-A6B1923A490F}.exe

        • Path C:\Windows\{748ED229-369E-4d24-B1D4-A6B1923A490F}.exe
        • Size 60KB
        • SHA256 708ff0c746be058974aaa7303deb789b5d674131c131e18b3a4348f0c985b36f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {7DC534CD-831B-408d-B1BB-0855EBAE039A}.exe

        • Path C:\Windows\{7DC534CD-831B-408d-B1BB-0855EBAE039A}.exe
        • Size 60KB
        • SHA256 d77553d35b394633f4748e28431758df55cc6cc30bd788b79f94767171994dde
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8E5B6772-9C32-415f-B67D-F70C47432422}.exe

        • Path C:\Windows\{8E5B6772-9C32-415f-B67D-F70C47432422}.exe
        • Size 60KB
        • SHA256 eac5b71f2523da3ffbccc1160e55f9e59257b016fa520e210c4c3c9d90e38c2b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {9A3A660D-A93A-48a4-8CB0-27DC6BB158D9}.exe

        • Path C:\Windows\{9A3A660D-A93A-48a4-8CB0-27DC6BB158D9}.exe
        • Size 60KB
        • SHA256 340ca4b323d4bdea8a5a514d318e4c83108b6af6c2c60ffdbcbc83772d4495e9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A9E3FABB-BCDC-4865-AD32-1A7C5A0DFECA}.exe

        • Path C:\Windows\{A9E3FABB-BCDC-4865-AD32-1A7C5A0DFECA}.exe
        • Size 60KB
        • SHA256 e1d4b8340fb2068ae8ab67e14c0d8e3225348889ad9af3afeed2a84d46c0921b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {C82A1801-F984-434b-916C-B64125885B2E}.exe

        • Path C:\Windows\{C82A1801-F984-434b-916C-B64125885B2E}.exe
        • Size 60KB
        • SHA256 be895f41b19d537000c0c820208e2c183a6b197e77d7b0f2e0497931fcbd9ce4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CDD0FAD1-F93A-45e1-B4FF-04332471429C}.exe

        • Path C:\Windows\{CDD0FAD1-F93A-45e1-B4FF-04332471429C}.exe
        • Size 60KB
        • SHA256 3656cb963ed4cb647d5963e03de93fc6e4aaab77f806af9dc702f922d4328bc2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E8E84189-B0A6-4eff-B68E-A6FF1412E2BA}.exe

        • Path C:\Windows\{E8E84189-B0A6-4eff-B68E-A6FF1412E2BA}.exe
        • Size 60KB
        • SHA256 318ef572f513ad6454609e9bc7106124a802edcf3c13001d3099a260e277fa3c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/976-63-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/976-57-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1256-78-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1700-64-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1700-70-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1760-56-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1760-50-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3872-36-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3872-41-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4140-22-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4140-29-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4252-71-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4252-76-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4380-21-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4380-14-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4516-6-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4516-9-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4516-15-0x0000000000400000-0x0000000000410000-memory.dmp

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

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

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

        memory/5800-34-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5800-28-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5952-48-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5952-43-0x0000000000400000-0x0000000000410000-memory.dmp