Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    12/08/2026, 03:43

General

  • Target
    2026-08-12_396e8722adc04a6b0f3301c355beb0f0_elex_remcos_wannacry.exe
  • Size 60KB
  • Sample260812-d985favthw
  • SHA256 7f3888e98afc5050854ea87c93e3ff40e3b4ab3fd8bd11312f1d6cf0982d0837
  • 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 9 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 9 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Executes a command shell one-liner 1 TTPs 2 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 5 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 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-12_396e8722adc04a6b0f3301c355beb0f0_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-12_396e8722adc04a6b0f3301c355beb0f0_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:532
    • C:\Windows\{7172F2E4-59A5-4dc0-819F-1AE02428C7AA}.exe
      C:\Windows\{7172F2E4-59A5-4dc0-819F-1AE02428C7AA}.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:1476
      • C:\Windows\{EF014ADC-82F4-4ff3-A99B-733BB113825B}.exe
        C:\Windows\{EF014ADC-82F4-4ff3-A99B-733BB113825B}.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:364
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{7172F~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:3876
    • 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:2468

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {7172F2E4-59A5-4dc0-819F-1AE02428C7AA}.exe

        • Path C:\Windows\{7172F2E4-59A5-4dc0-819F-1AE02428C7AA}.exe
        • Size 60KB
        • SHA256 c0f5d2d3310a9bc6eb20a5a6666d317dfe53ff95663fc255d34a4d0b2d705fee
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {EF014ADC-82F4-4ff3-A99B-733BB113825B}.exe

        • Path C:\Windows\{EF014ADC-82F4-4ff3-A99B-733BB113825B}.exe
        • Size 60KB
        • SHA256 fa6b6ef28ce53f028e9ed76eb2c45b137fa36234b308eeff7aebe7db0db9aada
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/364-14-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/532-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/532-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/532-7-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1476-5-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1476-8-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1476-12-0x0000000000400000-0x0000000000410000-memory.dmp