Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    24/10/2026, 12:45

General

  • Target
    2026-10-22_56b5ff974ede8ca6b84deee3da1e8502_elex_remcos_wannacry.exe
  • Size 64KB
  • Sample261024-py7ysat1hs
  • SHA256 fbbb00e1dd73a49006d905f615093b246f3b8a36c30dc8f0214c4bca2b276f59
  • 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 29 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 29 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 20 IoCs

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

  • Executes dropped EXE 10 IoCs
  • Drops file in Windows directory 10 IoCs
  • Executes a command shell one-liner 1 TTPs 10 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 21 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 10 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-10-22_56b5ff974ede8ca6b84deee3da1e8502_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-22_56b5ff974ede8ca6b84deee3da1e8502_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:2452
    • C:\Windows\{892E8E56-266E-4600-BEA7-086C7DF2E50B}.exe
      C:\Windows\{892E8E56-266E-4600-BEA7-086C7DF2E50B}.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:3980
      • C:\Windows\{4572975B-C9D5-4411-9A83-CDD0C43670FF}.exe
        C:\Windows\{4572975B-C9D5-4411-9A83-CDD0C43670FF}.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:2404
        • C:\Windows\{CB477126-E2F1-4636-9379-72C4A1CD0708}.exe
          C:\Windows\{CB477126-E2F1-4636-9379-72C4A1CD0708}.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:1776
          • C:\Windows\{F8FFFD54-6D5A-4a3d-A279-2F06384C0DA2}.exe
            C:\Windows\{F8FFFD54-6D5A-4a3d-A279-2F06384C0DA2}.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:4608
            • C:\Windows\{9BB6F13C-7233-4da1-9B4E-AF8F190C4C17}.exe
              C:\Windows\{9BB6F13C-7233-4da1-9B4E-AF8F190C4C17}.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:2248
              • C:\Windows\{E8E55123-248F-469c-B3D1-6BF85A09FB57}.exe
                C:\Windows\{E8E55123-248F-469c-B3D1-6BF85A09FB57}.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:1020
                • C:\Windows\{E8CC3605-7172-4e3f-818D-38AB8D37084C}.exe
                  C:\Windows\{E8CC3605-7172-4e3f-818D-38AB8D37084C}.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:3152
                  • C:\Windows\{A908453D-5807-4238-9DC0-22FC556CAD2A}.exe
                    C:\Windows\{A908453D-5807-4238-9DC0-22FC556CAD2A}.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:3160
                    • C:\Windows\{0855B556-274B-47f5-BA0B-F12C1A82283F}.exe
                      C:\Windows\{0855B556-274B-47f5-BA0B-F12C1A82283F}.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:5108
                      • C:\Windows\{C8839DF2-792D-4e4b-A3BA-621CC22DD5C4}.exe
                        C:\Windows\{C8839DF2-792D-4e4b-A3BA-621CC22DD5C4}.exe
                        11⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:2976
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{0855B~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:448
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{A9084~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:3520
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{E8CC3~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:1172
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{E8E55~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:3292
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{9BB6F~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:4604
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{F8FFF~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:2612
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{CB477~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:4288
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{45729~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:2936
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{892E8~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:3232
    • 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:1716

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        {0855B556-274B-47f5-BA0B-F12C1A82283F}.exe

        • Path C:\Windows\{0855B556-274B-47f5-BA0B-F12C1A82283F}.exe
        • Size 64KB
        • SHA256 f7ac8fe2be21c80e3e1ee4c9f816604ca64012c39f43d8e27f759ae7dbce4859
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {4572975B-C9D5-4411-9A83-CDD0C43670FF}.exe

        • Path C:\Windows\{4572975B-C9D5-4411-9A83-CDD0C43670FF}.exe
        • Size 64KB
        • SHA256 9fa4e27b438c704a919b9e013389e266295b3f4502e23b176e8cb97fb4d138ed
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {892E8E56-266E-4600-BEA7-086C7DF2E50B}.exe

        • Path C:\Windows\{892E8E56-266E-4600-BEA7-086C7DF2E50B}.exe
        • Size 64KB
        • SHA256 4b918d57f73f37655e72be8301975d04878f1707b7c34117f9fa0700a68bb900
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {9BB6F13C-7233-4da1-9B4E-AF8F190C4C17}.exe

        • Path C:\Windows\{9BB6F13C-7233-4da1-9B4E-AF8F190C4C17}.exe
        • Size 64KB
        • SHA256 101f9eab17752c8616b3de4b8d778d7fc3579795fd711cfb647867ca1d487189
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A908453D-5807-4238-9DC0-22FC556CAD2A}.exe

        • Path C:\Windows\{A908453D-5807-4238-9DC0-22FC556CAD2A}.exe
        • Size 64KB
        • SHA256 b1dad23495b8f4fec0d4369176f6e44ed6e7858f8909fd61d944c89bbbeab69c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {C8839DF2-792D-4e4b-A3BA-621CC22DD5C4}.exe

        • Path C:\Windows\{C8839DF2-792D-4e4b-A3BA-621CC22DD5C4}.exe
        • Size 64KB
        • SHA256 97b46243124a40de47a8563455b0dcab8e07b1e47bfb219f9374738dd19915dc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CB477126-E2F1-4636-9379-72C4A1CD0708}.exe

        • Path C:\Windows\{CB477126-E2F1-4636-9379-72C4A1CD0708}.exe
        • Size 64KB
        • SHA256 5702b61a8bc1434dfcbf2cbced4ae440ca061776a8dc119c023e9cb379d46f8e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E8CC3605-7172-4e3f-818D-38AB8D37084C}.exe

        • Path C:\Windows\{E8CC3605-7172-4e3f-818D-38AB8D37084C}.exe
        • Size 64KB
        • SHA256 3192fcdea2ded745ec111315f735a5bfb14f964e2382d10649e5997629ada245
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E8E55123-248F-469c-B3D1-6BF85A09FB57}.exe

        • Path C:\Windows\{E8E55123-248F-469c-B3D1-6BF85A09FB57}.exe
        • Size 64KB
        • SHA256 c33db9901b168981b202e73c92ca6e556537bdb195de8d80b6edd13cbe9b6f84
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F8FFFD54-6D5A-4a3d-A279-2F06384C0DA2}.exe

        • Path C:\Windows\{F8FFFD54-6D5A-4a3d-A279-2F06384C0DA2}.exe
        • Size 64KB
        • SHA256 4e6016f49e7d51011c15c873189cea0e7a7f7f6a23aaf5231812d9145b4ffb80
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1020-38-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1776-21-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1776-17-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2248-29-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2248-35-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2404-16-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2452-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2452-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2452-6-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2976-57-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3152-45-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3152-40-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3160-46-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3160-52-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3980-5-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3980-10-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4608-28-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4608-23-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5108-55-0x0000000000400000-0x0000000000410000-memory.dmp