Analysis

  • max time kernel
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/10/2026, 22:08

General

  • Target
    2026-10-19_441bd0be622ad8212668da5c45736221_elex_remcos_wannacry.exe
  • Size 60KB
  • Sample261020-12mmsswxcs
  • SHA256 edc90917a6680b609edde0cdd1319ae108a374e3c80e55d187a054068f7487b7
  • 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
  • Custom signature
    Detects Windows executables referencing non-Windows User-Agents 11 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 22 IoCs

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

  • Executes dropped EXE 11 IoCs
  • Drops file in Windows directory 11 IoCs
  • Executes a command shell one-liner 1 TTPs 11 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 23 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 11 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-19_441bd0be622ad8212668da5c45736221_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-19_441bd0be622ad8212668da5c45736221_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:2676
    • C:\Windows\{EE0129D8-E7FF-4c01-930F-8FDB50919390}.exe
      C:\Windows\{EE0129D8-E7FF-4c01-930F-8FDB50919390}.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:2088
      • C:\Windows\{F004972F-C486-4be8-BD04-E45C698C2DA4}.exe
        C:\Windows\{F004972F-C486-4be8-BD04-E45C698C2DA4}.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:3476
        • C:\Windows\{35CCB392-9C1D-4459-98F3-F81B6B729FC7}.exe
          C:\Windows\{35CCB392-9C1D-4459-98F3-F81B6B729FC7}.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:3436
          • C:\Windows\{3D2B9F99-B7ED-487d-93A7-35C8CE0C5510}.exe
            C:\Windows\{3D2B9F99-B7ED-487d-93A7-35C8CE0C5510}.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\{3B28212C-1221-41b7-A48F-4B8295CD746E}.exe
              C:\Windows\{3B28212C-1221-41b7-A48F-4B8295CD746E}.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:2760
              • C:\Windows\{5B1F289A-7FB2-48d2-A4E1-0DA3196BF576}.exe
                C:\Windows\{5B1F289A-7FB2-48d2-A4E1-0DA3196BF576}.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:792
                • C:\Windows\{E7F93692-D240-40fe-A094-46B330BA885E}.exe
                  C:\Windows\{E7F93692-D240-40fe-A094-46B330BA885E}.exe
                  8⤵
                  • 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:1796
                  • C:\Windows\{FF7FB817-5C6E-4636-B854-C469CF165B0F}.exe
                    C:\Windows\{FF7FB817-5C6E-4636-B854-C469CF165B0F}.exe
                    9⤵
                    • 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:4316
                    • C:\Windows\{5ACDAF08-DD8B-43e1-919D-DE64CD0AA9CE}.exe
                      C:\Windows\{5ACDAF08-DD8B-43e1-919D-DE64CD0AA9CE}.exe
                      10⤵
                      • 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:3556
                      • C:\Windows\{B98041E0-5AEC-4e57-89E7-98F9CA76A1DB}.exe
                        C:\Windows\{B98041E0-5AEC-4e57-89E7-98F9CA76A1DB}.exe
                        11⤵
                        • 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:3808
                        • C:\Windows\{3E13B5CE-D0A3-41c6-9AC6-51F1CBB54F27}.exe
                          C:\Windows\{3E13B5CE-D0A3-41c6-9AC6-51F1CBB54F27}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:3740
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{B9804~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:456
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{5ACDA~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:2336
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{FF7FB~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:1600
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{E7F93~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:6084
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{5B1F2~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:5924
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{3B282~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:3312
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{3D2B9~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:6136
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{35CCB~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:5112
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{F0049~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:5916
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{EE012~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:6056
    • 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:5056

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        {35CCB392-9C1D-4459-98F3-F81B6B729FC7}.exe

        • Path C:\Windows\{35CCB392-9C1D-4459-98F3-F81B6B729FC7}.exe
        • Size 60KB
        • SHA256 1f1076a0fcb3fabbfc9bb65d46aab8bdcab3e15417aff47dadf1c1ef1e082a41
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3B28212C-1221-41b7-A48F-4B8295CD746E}.exe

        • Path C:\Windows\{3B28212C-1221-41b7-A48F-4B8295CD746E}.exe
        • Size 60KB
        • SHA256 eaa71b74818c881fdcfe4c857ff00ff92320a2492444d5752fadc3c1d63e38a0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3D2B9F99-B7ED-487d-93A7-35C8CE0C5510}.exe

        • Path C:\Windows\{3D2B9F99-B7ED-487d-93A7-35C8CE0C5510}.exe
        • Size 60KB
        • SHA256 1a970bd630939dc6919c1f79dbcaf4863b06000a60fe77593b0612054d8611e8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3E13B5CE-D0A3-41c6-9AC6-51F1CBB54F27}.exe

        • Path C:\Windows\{3E13B5CE-D0A3-41c6-9AC6-51F1CBB54F27}.exe
        • Size 60KB
        • SHA256 6fb9954e82bbb006f8ccc4fe0ea7463930916934483a1bc99ad95765312c4aeb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5ACDAF08-DD8B-43e1-919D-DE64CD0AA9CE}.exe

        • Path C:\Windows\{5ACDAF08-DD8B-43e1-919D-DE64CD0AA9CE}.exe
        • Size 60KB
        • SHA256 42b31427b90873f36bf97b20234ef51dc6838094f87aa310c2c739f933aaf232
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5B1F289A-7FB2-48d2-A4E1-0DA3196BF576}.exe

        • Path C:\Windows\{5B1F289A-7FB2-48d2-A4E1-0DA3196BF576}.exe
        • Size 60KB
        • SHA256 7d274a8872c4b3e3d457f92a15ec03f116e4477b25ff63f0db6eb1be3eee33ab
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {B98041E0-5AEC-4e57-89E7-98F9CA76A1DB}.exe

        • Path C:\Windows\{B98041E0-5AEC-4e57-89E7-98F9CA76A1DB}.exe
        • Size 60KB
        • SHA256 a4565768fe308c509ad2d2056bac3d98b910fa5a41b7ebce056a5c9450609fcb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E7F93692-D240-40fe-A094-46B330BA885E}.exe

        • Path C:\Windows\{E7F93692-D240-40fe-A094-46B330BA885E}.exe
        • Size 60KB
        • SHA256 252db6bbb4ed6adeaf695e71048ecc3b37d7278d38bae43c1e31d90db5ab0ea0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {EE0129D8-E7FF-4c01-930F-8FDB50919390}.exe

        • Path C:\Windows\{EE0129D8-E7FF-4c01-930F-8FDB50919390}.exe
        • Size 60KB
        • SHA256 2b5528cdda2769274d67e38d301995d22a5cfc32015f5ec37639b227c26246e6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F004972F-C486-4be8-BD04-E45C698C2DA4}.exe

        • Path C:\Windows\{F004972F-C486-4be8-BD04-E45C698C2DA4}.exe
        • Size 60KB
        • SHA256 ae8585afd03424e7f0d35d3ec59aa8add0dc74e83b20711d4ac98f986fce71a1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {FF7FB817-5C6E-4636-B854-C469CF165B0F}.exe

        • Path C:\Windows\{FF7FB817-5C6E-4636-B854-C469CF165B0F}.exe
        • Size 60KB
        • SHA256 7f1856318f117751efb6fca8113535f421c4caf6c287678e05e12d7a5b063807
        • MD5 SHA1 SHA512 SSDEEP TLSH