Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    31/07/2026, 08:49

General

  • Target
    2026-07-31_e139b0eedaa591087776f2e0b9c37802_elex_remcos_wannacry.exe
  • Size 64KB
  • Sample260731-krdddadj6v
  • SHA256 e1e5daa6f94bb7c7197fcd188a8dae62c51f85f34f01a5f86275c8a694804587
  • 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 21 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 21 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 14 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 7 IoCs
  • Drops file in Windows directory 7 IoCs
  • Executes a command shell one-liner 1 TTPs 7 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 15 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 7 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-31_e139b0eedaa591087776f2e0b9c37802_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-31_e139b0eedaa591087776f2e0b9c37802_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:848
    • C:\Windows\{696AF5DF-A040-412c-9324-8AF3D40E211B}.exe
      C:\Windows\{696AF5DF-A040-412c-9324-8AF3D40E211B}.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:1248
      • C:\Windows\{DAD60D6B-C753-4f02-BA91-562B1D61E49A}.exe
        C:\Windows\{DAD60D6B-C753-4f02-BA91-562B1D61E49A}.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:4924
        • C:\Windows\{1AB55AD2-2DAF-4fc6-BD0F-7EA4FDCB425D}.exe
          C:\Windows\{1AB55AD2-2DAF-4fc6-BD0F-7EA4FDCB425D}.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:1856
          • C:\Windows\{8D06AE8A-055E-4de1-90F8-B6AC49EB5299}.exe
            C:\Windows\{8D06AE8A-055E-4de1-90F8-B6AC49EB5299}.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:1036
            • C:\Windows\{FFEE1A5A-EEF7-450f-A319-9F1A8A8C0946}.exe
              C:\Windows\{FFEE1A5A-EEF7-450f-A319-9F1A8A8C0946}.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:4664
              • C:\Windows\{32A25CFA-D42E-41b6-9E02-8D0F3AF2F08F}.exe
                C:\Windows\{32A25CFA-D42E-41b6-9E02-8D0F3AF2F08F}.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:1792
                • C:\Windows\{C7EFC9EB-59B1-4e82-A1CC-5CA1A38500CB}.exe
                  C:\Windows\{C7EFC9EB-59B1-4e82-A1CC-5CA1A38500CB}.exe
                  8⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:3276
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{32A25~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:2088
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{FFEE1~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:1584
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{8D06A~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:3080
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{1AB55~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:2004
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{DAD60~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:1168
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{696AF~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:2068
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2026-0~1.EXE > nul
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:4100

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {1AB55AD2-2DAF-4fc6-BD0F-7EA4FDCB425D}.exe

        • Path C:\Windows\{1AB55AD2-2DAF-4fc6-BD0F-7EA4FDCB425D}.exe
        • Size 64KB
        • SHA256 1720c5a866fe830b461aa466931a5c8a34ce13b09ec518e341829fd3bce42a56
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {32A25CFA-D42E-41b6-9E02-8D0F3AF2F08F}.exe

        • Path C:\Windows\{32A25CFA-D42E-41b6-9E02-8D0F3AF2F08F}.exe
        • Size 64KB
        • SHA256 1ec6ed01abadfedeb8ba374e1f1b8b9afea166243182cdd1e8993ebc11847f14
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {696AF5DF-A040-412c-9324-8AF3D40E211B}.exe

        • Path C:\Windows\{696AF5DF-A040-412c-9324-8AF3D40E211B}.exe
        • Size 64KB
        • SHA256 149fd99ef920365c88a1410aef09618575fa2a857f6984f7600102a0a03d3fb7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8D06AE8A-055E-4de1-90F8-B6AC49EB5299}.exe

        • Path C:\Windows\{8D06AE8A-055E-4de1-90F8-B6AC49EB5299}.exe
        • Size 64KB
        • SHA256 324deaf2d4e1d1d65a0fe868c196d406c29be4630abb0a9b4c3f289e83fe32bc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {C7EFC9EB-59B1-4e82-A1CC-5CA1A38500CB}.exe

        • Path C:\Windows\{C7EFC9EB-59B1-4e82-A1CC-5CA1A38500CB}.exe
        • Size 64KB
        • SHA256 f4d603a694174421dde046a9c7cbfa94917d14fa9b1aa4335ee8dc79f73e270b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {DAD60D6B-C753-4f02-BA91-562B1D61E49A}.exe

        • Path C:\Windows\{DAD60D6B-C753-4f02-BA91-562B1D61E49A}.exe
        • Size 64KB
        • SHA256 618cb9eab4bcc0878d847314a45e5bf4d4e48f6d58ac41e86219392a124aa95f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {FFEE1A5A-EEF7-450f-A319-9F1A8A8C0946}.exe

        • Path C:\Windows\{FFEE1A5A-EEF7-450f-A319-9F1A8A8C0946}.exe
        • Size 64KB
        • SHA256 8d71e095f65e7841c85839bcfb2c064f54a3b2280e5637ed56cc46dd84689705
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/848-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/848-6-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/848-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1036-24-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1036-29-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1248-8-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1248-12-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1248-7-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1792-35-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1792-39-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1856-22-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4664-34-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4924-18-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4924-13-0x0000000000400000-0x0000000000410000-memory.dmp