Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    31/08/2026, 00:10

General

  • Target
    2026-08-30_fb74fe530f26502c618a28a269405d12_elex_remcos_wannacry.exe
  • Size 64KB
  • Sample260831-af279abn21
  • SHA256 2d87a700e5d3e7b3ee1e85c55cae82392669e4ff7c30bfd6cb4974db45ae1ebf
  • 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 5 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 5 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Executes a command shell one-liner 1 TTPs 1 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 3 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 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-30_fb74fe530f26502c618a28a269405d12_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-30_fb74fe530f26502c618a28a269405d12_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:1844
    • C:\Windows\{2CA54C29-377F-4bc0-9BA6-52F3A13BCAC3}.exe
      C:\Windows\{2CA54C29-377F-4bc0-9BA6-52F3A13BCAC3}.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4724
    • 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:4888

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        {2CA54C29-377F-4bc0-9BA6-52F3A13BCAC3}.exe

        • Path C:\Windows\{2CA54C29-377F-4bc0-9BA6-52F3A13BCAC3}.exe
        • Size 64KB
        • SHA256 ee77d1875a721be0b8aa28dfae456bda2dace38c881280637d0e0bb417969484
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1844-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1844-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1844-7-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4724-6-0x0000000000400000-0x0000000000410000-memory.dmp