Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/08/2026, 16:35

General

  • Target
    2026-08-10_0d8f44c27c557eaaa169a7cd7af77f3c_elex_remcos_wannacry.exe
  • Size 60KB
  • Sample260810-t36nqsshrd
  • SHA256 cb4e12644284cfaad22f883bbc0ba0863d1620346ef07908010bbeaf0ad28faa
  • 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 7 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 7 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\2026-08-10_0d8f44c27c557eaaa169a7cd7af77f3c_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-10_0d8f44c27c557eaaa169a7cd7af77f3c_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:2220
    • C:\Windows\{3157E565-3A33-4f6d-B2A5-2323E3F12278}.exe
      C:\Windows\{3157E565-3A33-4f6d-B2A5-2323E3F12278}.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:4304
      • C:\Windows\{794D4D0D-62E3-4f51-A495-01F61AB9ACB9}.exe
        C:\Windows\{794D4D0D-62E3-4f51-A495-01F61AB9ACB9}.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:4432
        • C:\Windows\{51F7BD90-E573-445a-BBDC-CCA4AB13554F}.exe
          C:\Windows\{51F7BD90-E573-445a-BBDC-CCA4AB13554F}.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:4740
          • C:\Windows\{CABDC0D7-9378-484c-8AAF-A472FC75ED3D}.exe
            C:\Windows\{CABDC0D7-9378-484c-8AAF-A472FC75ED3D}.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:3628
            • C:\Windows\{9BCC5943-9C3C-43b5-BBC3-50B9679351B2}.exe
              C:\Windows\{9BCC5943-9C3C-43b5-BBC3-50B9679351B2}.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:2884
              • C:\Windows\{CC5FEDD2-5671-441f-B71F-B1297632C21C}.exe
                C:\Windows\{CC5FEDD2-5671-441f-B71F-B1297632C21C}.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:4788
                • C:\Windows\{185168B0-42F1-4a83-8117-A89AE8F9B141}.exe
                  C:\Windows\{185168B0-42F1-4a83-8117-A89AE8F9B141}.exe
                  8⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:2196
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{CC5FE~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:2156
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{9BCC5~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:3444
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{CABDC~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:228
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{51F7B~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:4340
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{794D4~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:1860
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{3157E~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:3496
    • 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:2280

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {185168B0-42F1-4a83-8117-A89AE8F9B141}.exe

        • Path C:\Windows\{185168B0-42F1-4a83-8117-A89AE8F9B141}.exe
        • Size 60KB
        • SHA256 6cdfef1dd547887e8cc025ccd4633ef28e200b9314889cefd29464a0ef6f04d9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3157E565-3A33-4f6d-B2A5-2323E3F12278}.exe

        • Path C:\Windows\{3157E565-3A33-4f6d-B2A5-2323E3F12278}.exe
        • Size 60KB
        • SHA256 0ed3edff02feed77f4ebca4463457fcefed83fdf8e5ab82e496e6f750d7db022
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {51F7BD90-E573-445a-BBDC-CCA4AB13554F}.exe

        • Path C:\Windows\{51F7BD90-E573-445a-BBDC-CCA4AB13554F}.exe
        • Size 60KB
        • SHA256 b2859c081869d94b430a3f806bff7ec42a5083a94f0c71ca98b1377f8c9071a1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {794D4D0D-62E3-4f51-A495-01F61AB9ACB9}.exe

        • Path C:\Windows\{794D4D0D-62E3-4f51-A495-01F61AB9ACB9}.exe
        • Size 60KB
        • SHA256 c94d6eb3116b1102089670106cb8c6868d1516a882d8fde9a7bb481e75fdbd58
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {9BCC5943-9C3C-43b5-BBC3-50B9679351B2}.exe

        • Path C:\Windows\{9BCC5943-9C3C-43b5-BBC3-50B9679351B2}.exe
        • Size 60KB
        • SHA256 b926e3198f1b3f41b36c631cf92545a7c8da395a40b55afb77a95e2ba34f2b25
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CABDC0D7-9378-484c-8AAF-A472FC75ED3D}.exe

        • Path C:\Windows\{CABDC0D7-9378-484c-8AAF-A472FC75ED3D}.exe
        • Size 60KB
        • SHA256 2346ca0c29d39c5a9fe3c6b0ff71e4acd3598ed551b07de4baf1dade16a5d6f8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CC5FEDD2-5671-441f-B71F-B1297632C21C}.exe

        • Path C:\Windows\{CC5FEDD2-5671-441f-B71F-B1297632C21C}.exe
        • Size 60KB
        • SHA256 cbff25384603e2807473034d3eb7069e7c83dad32eec37310a21805ee0ea3609
        • MD5 SHA1 SHA512 SSDEEP TLSH