Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    05/08/2026, 16:07

General

  • Target
    2026-08-05_40cdd43d6fe767aaebcf39b40af6e369_elex_remcos_wannacry.exe
  • Size 60KB
  • Sample260805-tkx9ms1ble
  • SHA256 653ab29d7db5e954a6cb2582e24f6ebd5b47391dfa98e1f07d0766d9a35edb63
  • 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\2026-08-05_40cdd43d6fe767aaebcf39b40af6e369_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-05_40cdd43d6fe767aaebcf39b40af6e369_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:3564
    • C:\Windows\{CEE83343-6E82-4bce-B1C1-1294BBD35F5B}.exe
      C:\Windows\{CEE83343-6E82-4bce-B1C1-1294BBD35F5B}.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:740
      • C:\Windows\{EF3586C9-DE05-4d19-A57F-561293A8320C}.exe
        C:\Windows\{EF3586C9-DE05-4d19-A57F-561293A8320C}.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:1388
        • C:\Windows\{FC8AE8A0-B6D1-4487-ACC0-EF1225BCB296}.exe
          C:\Windows\{FC8AE8A0-B6D1-4487-ACC0-EF1225BCB296}.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:1080
          • C:\Windows\{5F9AABE8-2409-4020-9CC9-E5D134B6F315}.exe
            C:\Windows\{5F9AABE8-2409-4020-9CC9-E5D134B6F315}.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:1964
            • C:\Windows\{7625BBB7-190F-4f80-911E-478244F69307}.exe
              C:\Windows\{7625BBB7-190F-4f80-911E-478244F69307}.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:2832
              • C:\Windows\{B7D855E0-BB91-423c-BC93-859EAABD0724}.exe
                C:\Windows\{B7D855E0-BB91-423c-BC93-859EAABD0724}.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:652
                • C:\Windows\{CA39EA9E-C469-407c-9120-9E1E6CC7E7AF}.exe
                  C:\Windows\{CA39EA9E-C469-407c-9120-9E1E6CC7E7AF}.exe
                  8⤵
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  PID:4804
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{B7D85~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:4504
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{7625B~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:3060
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{5F9AA~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:1176
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{FC8AE~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:1840
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{EF358~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:3904
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{CEE83~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:2996
    • 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:2004

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {5F9AABE8-2409-4020-9CC9-E5D134B6F315}.exe

        • Path C:\Windows\{5F9AABE8-2409-4020-9CC9-E5D134B6F315}.exe
        • Size 60KB
        • SHA256 6524cbce429be9f38a4cfacdb88b1e989ea5e448115d149330595e2e7ee137b7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {7625BBB7-190F-4f80-911E-478244F69307}.exe

        • Path C:\Windows\{7625BBB7-190F-4f80-911E-478244F69307}.exe
        • Size 60KB
        • SHA256 b0387fa9438e26cb03e2cf5e9be7b015c364ace22ccbadaab62223473598cddd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {B7D855E0-BB91-423c-BC93-859EAABD0724}.exe

        • Path C:\Windows\{B7D855E0-BB91-423c-BC93-859EAABD0724}.exe
        • Size 60KB
        • SHA256 24077cea260c501a4ed89f4f72b9b6a65d7a07ded2e1938ece12e9205b80b53a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CA39EA9E-C469-407c-9120-9E1E6CC7E7AF}.exe

        • Path C:\Windows\{CA39EA9E-C469-407c-9120-9E1E6CC7E7AF}.exe
        • Size 60KB
        • SHA256 6dfa7b11a79750216e0f5ccea61e649688e92bd3457ca5f0982b958a981cf6c2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CEE83343-6E82-4bce-B1C1-1294BBD35F5B}.exe

        • Path C:\Windows\{CEE83343-6E82-4bce-B1C1-1294BBD35F5B}.exe
        • Size 60KB
        • SHA256 903414274a3fed393f61c454d09f88d4522fa96e70bf6b7af754d7de3faeabb5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {EF3586C9-DE05-4d19-A57F-561293A8320C}.exe

        • Path C:\Windows\{EF3586C9-DE05-4d19-A57F-561293A8320C}.exe
        • Size 60KB
        • SHA256 fc6b660c74f0bdec4713b28f8698a7116fae5d2e74bed9587164124b084161e7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {FC8AE8A0-B6D1-4487-ACC0-EF1225BCB296}.exe

        • Path C:\Windows\{FC8AE8A0-B6D1-4487-ACC0-EF1225BCB296}.exe
        • Size 60KB
        • SHA256 1d921e6a9f9fbb42d0eed0853cf297706f0b1c5012d54511dfdd532bd1353c0e
        • MD5 SHA1 SHA512 SSDEEP TLSH