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
    02/11/2026, 05:10

General

  • Target
    2026-11-01_e61326af5af2c0f353857d2e3c699129_elex_remcos_wannacry.exe
  • Size 64KB
  • Sample261102-ft4k5aeb46
  • SHA256 db7e0f9c3ee4da78983a94e05c69c665df7500d66a591c18eae6a7319ca2a401
  • 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 11 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 11 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 6 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Drops file in Windows directory 3 IoCs
  • Executes a command shell one-liner 1 TTPs 3 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 7 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 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-11-01_e61326af5af2c0f353857d2e3c699129_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-01_e61326af5af2c0f353857d2e3c699129_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:4632
    • C:\Windows\{67899542-FF8B-44a6-BF9A-23425D2C501A}.exe
      C:\Windows\{67899542-FF8B-44a6-BF9A-23425D2C501A}.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:632
      • C:\Windows\{9A5BCDA2-8A02-4524-9B35-8D4FBFC8A94F}.exe
        C:\Windows\{9A5BCDA2-8A02-4524-9B35-8D4FBFC8A94F}.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:5224
        • C:\Windows\{71368910-385D-4deb-997A-8D84B52AF5E6}.exe
          C:\Windows\{71368910-385D-4deb-997A-8D84B52AF5E6}.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:5860
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{9A5BC~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:5152
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{67899~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:3992
    • 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:3112

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        {67899542-FF8B-44a6-BF9A-23425D2C501A}.exe

        • Path C:\Windows\{67899542-FF8B-44a6-BF9A-23425D2C501A}.exe
        • Size 64KB
        • SHA256 f1ffa1f30254404f7b74c876a028c23c05a58d28f01cf7e2d5cc736b38ff1963
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {71368910-385D-4deb-997A-8D84B52AF5E6}.exe

        • Path C:\Windows\{71368910-385D-4deb-997A-8D84B52AF5E6}.exe
        • Size 64KB
        • SHA256 3e5434cc90f75046a319fd9e8b91dbe5428e83f8efb671bb1ccb087cb49774b6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {9A5BCDA2-8A02-4524-9B35-8D4FBFC8A94F}.exe

        • Path C:\Windows\{9A5BCDA2-8A02-4524-9B35-8D4FBFC8A94F}.exe
        • Size 64KB
        • SHA256 74749d715be2cc9f60a4f3d5920f297819e5d95b6437e93b685e9681a15c7f9e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/632-6-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/632-10-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4632-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4632-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4632-7-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5224-12-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5224-16-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5860-18-0x0000000000400000-0x0000000000410000-memory.dmp