Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    16/08/2026, 01:53

General

  • Target
    2026-08-16_bf9db24d36ca669a6b1c8aae256aaf02_elex_remcos_wannacry.exe
  • Size 59KB
  • Sample260816-ca78esbl4z
  • SHA256 9e48058ec1fd9e70e7efc3574db126dd4cfaa88a62f61dcec0e7cb9ae437081f
  • 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
  • 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\2026-08-16_bf9db24d36ca669a6b1c8aae256aaf02_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-16_bf9db24d36ca669a6b1c8aae256aaf02_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:4300
    • C:\Windows\{BA683A8F-7EB7-4271-9F53-B6C586863D74}.exe
      C:\Windows\{BA683A8F-7EB7-4271-9F53-B6C586863D74}.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:5304
      • C:\Windows\{006E8BE6-D266-4322-B732-3E0CC9AEAE15}.exe
        C:\Windows\{006E8BE6-D266-4322-B732-3E0CC9AEAE15}.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:3724
        • C:\Windows\{238D88D6-0540-41b8-AEA0-FBE24277280C}.exe
          C:\Windows\{238D88D6-0540-41b8-AEA0-FBE24277280C}.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:996
          • C:\Windows\{F77658FF-3286-4611-900F-7FC325CEFF81}.exe
            C:\Windows\{F77658FF-3286-4611-900F-7FC325CEFF81}.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:4736
            • C:\Windows\{CA9AFE02-A4D9-4a08-BCF2-E25D288B3670}.exe
              C:\Windows\{CA9AFE02-A4D9-4a08-BCF2-E25D288B3670}.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:4676
              • C:\Windows\{8A43F761-A821-4825-9D24-7B4A263C597D}.exe
                C:\Windows\{8A43F761-A821-4825-9D24-7B4A263C597D}.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:3120
                • C:\Windows\{7C8F5C2B-ACF9-475e-9E6D-47632C0ACA8A}.exe
                  C:\Windows\{7C8F5C2B-ACF9-475e-9E6D-47632C0ACA8A}.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:3448
                  • C:\Windows\{3A6C9657-F634-4866-9DBE-39ED4F73A1D5}.exe
                    C:\Windows\{3A6C9657-F634-4866-9DBE-39ED4F73A1D5}.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:1776
                    • C:\Windows\{D0F297DB-87FE-4aaa-9CB8-1AD029D0D6FC}.exe
                      C:\Windows\{D0F297DB-87FE-4aaa-9CB8-1AD029D0D6FC}.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:3144
                      • C:\Windows\{728C95F5-9FA6-4f93-992C-11070A6C48F2}.exe
                        C:\Windows\{728C95F5-9FA6-4f93-992C-11070A6C48F2}.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:2176
                        • C:\Windows\{E0E8EF1A-0E7C-4a05-A922-4BE138E42A8C}.exe
                          C:\Windows\{E0E8EF1A-0E7C-4a05-A922-4BE138E42A8C}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:5220
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{728C9~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:872
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{D0F29~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:2984
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{3A6C9~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:3564
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{7C8F5~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:5060
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{8A43F~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:1200
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{CA9AF~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:2668
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{F7765~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:3172
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{238D8~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:5624
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{006E8~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:2632
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{BA683~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:5200
    • 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:4448

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {006E8BE6-D266-4322-B732-3E0CC9AEAE15}.exe

        • Path C:\Windows\{006E8BE6-D266-4322-B732-3E0CC9AEAE15}.exe
        • Size 59KB
        • SHA256 6aa7487ab8d1cca00ac1d43f5995e57bc5af16b6937498916e9f62508584d7ae
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {238D88D6-0540-41b8-AEA0-FBE24277280C}.exe

        • Path C:\Windows\{238D88D6-0540-41b8-AEA0-FBE24277280C}.exe
        • Size 59KB
        • SHA256 be4af3ae05d5effa3c85f90c01162b4b4712fab9f2701c318a0cbe66bf364b81
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3A6C9657-F634-4866-9DBE-39ED4F73A1D5}.exe

        • Path C:\Windows\{3A6C9657-F634-4866-9DBE-39ED4F73A1D5}.exe
        • Size 59KB
        • SHA256 66e73f199897301bab8cb6afe272962ebe175188a930769ccf6fed0c4c6c2607
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {728C95F5-9FA6-4f93-992C-11070A6C48F2}.exe

        • Path C:\Windows\{728C95F5-9FA6-4f93-992C-11070A6C48F2}.exe
        • Size 59KB
        • SHA256 6d6ccc9217e09cf762d4557b4e2249fc25c25809aeda4442d03bca7fbafc31f7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {7C8F5C2B-ACF9-475e-9E6D-47632C0ACA8A}.exe

        • Path C:\Windows\{7C8F5C2B-ACF9-475e-9E6D-47632C0ACA8A}.exe
        • Size 59KB
        • SHA256 a9f4072c782898b4d518c6daf9f5e6b9b2f1a0091c177423020c3f749c13c7de
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8A43F761-A821-4825-9D24-7B4A263C597D}.exe

        • Path C:\Windows\{8A43F761-A821-4825-9D24-7B4A263C597D}.exe
        • Size 59KB
        • SHA256 9064ca4ed7c98e4a17b3e69a5b35baf01798c7e3646a4915f4db7ced0684d1b4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {BA683A8F-7EB7-4271-9F53-B6C586863D74}.exe

        • Path C:\Windows\{BA683A8F-7EB7-4271-9F53-B6C586863D74}.exe
        • Size 59KB
        • SHA256 8232829e706969da4b14830dce4ec967d998d2b36e15546e14206bccb4e8a725
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CA9AFE02-A4D9-4a08-BCF2-E25D288B3670}.exe

        • Path C:\Windows\{CA9AFE02-A4D9-4a08-BCF2-E25D288B3670}.exe
        • Size 59KB
        • SHA256 4e32eb0d44231454e91aba2615b9738bd1edfccd10b83bd21541ad29705620dc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D0F297DB-87FE-4aaa-9CB8-1AD029D0D6FC}.exe

        • Path C:\Windows\{D0F297DB-87FE-4aaa-9CB8-1AD029D0D6FC}.exe
        • Size 59KB
        • SHA256 688029ae351b7af6847b5dc6092609efce2e11bbbd1c619e3c6f9f181cf86dac
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E0E8EF1A-0E7C-4a05-A922-4BE138E42A8C}.exe

        • Path C:\Windows\{E0E8EF1A-0E7C-4a05-A922-4BE138E42A8C}.exe
        • Size 59KB
        • SHA256 ecf7a8d89956ff5e4b035499ed21d3dc45110aa89c6ceaacc7f34c725eade03e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F77658FF-3286-4611-900F-7FC325CEFF81}.exe

        • Path C:\Windows\{F77658FF-3286-4611-900F-7FC325CEFF81}.exe
        • Size 59KB
        • SHA256 ac9e102b77f87bf4b5b794fb509eca8eb1644622de9aa8a2140c4c6b020a02f9
        • MD5 SHA1 SHA512 SSDEEP TLSH