Analysis

  • max time kernel
    149s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/10/2026, 14:36

General

  • Target
    2026-10-30_e159d7e04be7094f2fb3f40f89c49902_elex_remcos_wannacry.exe
  • Size 60KB
  • Sample261030-ry3eeacy9z
  • SHA256 53dcf8ef02a4ef4903218ec2c8880df46d038f3698e4f8fa270a7075d08879f2
  • 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 6 IoCs
  • Custom signature
    Detects Windows executables referencing non-Windows User-Agents 6 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 12 IoCs

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

  • Executes dropped EXE 6 IoCs
  • Drops file in Windows directory 6 IoCs
  • Executes a command shell one-liner 1 TTPs 6 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 13 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 6 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-30_e159d7e04be7094f2fb3f40f89c49902_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-30_e159d7e04be7094f2fb3f40f89c49902_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:5044
    • C:\Windows\{7EDB2728-3FBD-423e-A6F0-613A383F15D5}.exe
      C:\Windows\{7EDB2728-3FBD-423e-A6F0-613A383F15D5}.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:4112
      • C:\Windows\{DF5A19ED-75C8-4313-BAEA-6AC9709410E3}.exe
        C:\Windows\{DF5A19ED-75C8-4313-BAEA-6AC9709410E3}.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:4372
        • C:\Windows\{706F1B51-C60D-4c45-B6A9-FBA034E4CBBC}.exe
          C:\Windows\{706F1B51-C60D-4c45-B6A9-FBA034E4CBBC}.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:3192
          • C:\Windows\{3F8A52FF-84A5-45ae-BBB3-3B0E5D124E10}.exe
            C:\Windows\{3F8A52FF-84A5-45ae-BBB3-3B0E5D124E10}.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:3704
            • C:\Windows\{ED157DFE-79EF-44ae-BC2C-3DD16586FC90}.exe
              C:\Windows\{ED157DFE-79EF-44ae-BC2C-3DD16586FC90}.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:2484
              • C:\Windows\{C117B29E-D415-4f47-B57E-69605A36B0CA}.exe
                C:\Windows\{C117B29E-D415-4f47-B57E-69605A36B0CA}.exe
                7⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:4724
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{ED157~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:3144
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{3F8A5~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:2760
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{706F1~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:3276
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{DF5A1~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:2348
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{7EDB2~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:2320
    • 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:864

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {3F8A52FF-84A5-45ae-BBB3-3B0E5D124E10}.exe

        • Path C:\Windows\{3F8A52FF-84A5-45ae-BBB3-3B0E5D124E10}.exe
        • Size 60KB
        • SHA256 4f9314440b8e5ceb611e4d4f81aec527b2f920649d8a45b4ba2ea06e825658fb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {706F1B51-C60D-4c45-B6A9-FBA034E4CBBC}.exe

        • Path C:\Windows\{706F1B51-C60D-4c45-B6A9-FBA034E4CBBC}.exe
        • Size 60KB
        • SHA256 30c59086268a995e1ad7f133f2e80dcd9560dfb6b13744edb7fa14eeedfa9e32
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {7EDB2728-3FBD-423e-A6F0-613A383F15D5}.exe

        • Path C:\Windows\{7EDB2728-3FBD-423e-A6F0-613A383F15D5}.exe
        • Size 60KB
        • SHA256 68129aabe04a3efa84b81089ba5a5c699a7e3faa470a5d73237c37715ae9f241
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {C117B29E-D415-4f47-B57E-69605A36B0CA}.exe

        • Path C:\Windows\{C117B29E-D415-4f47-B57E-69605A36B0CA}.exe
        • Size 60KB
        • SHA256 0b94fe442f131f7bd702489d6c56ef81e28a932f9d61a526cd2fa656bedad47d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {DF5A19ED-75C8-4313-BAEA-6AC9709410E3}.exe

        • Path C:\Windows\{DF5A19ED-75C8-4313-BAEA-6AC9709410E3}.exe
        • Size 60KB
        • SHA256 c045af3a06620d718e6e77936e3a6c12ae0f50609db54982f9d4ff6bf3db6a23
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {ED157DFE-79EF-44ae-BC2C-3DD16586FC90}.exe

        • Path C:\Windows\{ED157DFE-79EF-44ae-BC2C-3DD16586FC90}.exe
        • Size 60KB
        • SHA256 696f4bff38532a7588d5df1f0d8c3c09ac1c9226f7ea2e3bb062c631b5afd47c
        • MD5 SHA1 SHA512 SSDEEP TLSH