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
    27/10/2026, 15:01

General

  • Target
    2026-10-26_6d105942c251d4b12bdcfbd5d3e37d5b_elex_remcos_wannacry.exe
  • Size 79KB
  • Sample261027-sdxtvsdz2x
  • SHA256 dbb63c32c1b8775a2a4b337a81eea91692b32ed2168ca99809a6db21e7de5864
  • 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\2026-10-26_6d105942c251d4b12bdcfbd5d3e37d5b_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-26_6d105942c251d4b12bdcfbd5d3e37d5b_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:4436
    • C:\Windows\{E87CD86A-9748-47a1-95D6-6CA7A9B91529}.exe
      C:\Windows\{E87CD86A-9748-47a1-95D6-6CA7A9B91529}.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:600
      • C:\Windows\{F44FB978-77E1-49a4-AE5B-31374AD97460}.exe
        C:\Windows\{F44FB978-77E1-49a4-AE5B-31374AD97460}.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:4800
        • C:\Windows\{DF9A4FB6-1900-4e9c-A4F8-EA88A90AE62D}.exe
          C:\Windows\{DF9A4FB6-1900-4e9c-A4F8-EA88A90AE62D}.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:3708
          • C:\Windows\{00341D52-CB15-4ee0-AE75-07FDC7272C4D}.exe
            C:\Windows\{00341D52-CB15-4ee0-AE75-07FDC7272C4D}.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:5260
            • C:\Windows\{E0048F93-1937-4e36-9781-7E9AA4857BA1}.exe
              C:\Windows\{E0048F93-1937-4e36-9781-7E9AA4857BA1}.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:4604
              • C:\Windows\{8710A9B6-4342-464e-8DDD-9AA1442E19CE}.exe
                C:\Windows\{8710A9B6-4342-464e-8DDD-9AA1442E19CE}.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:4564
                • C:\Windows\{054911C2-964F-4293-B474-749395853208}.exe
                  C:\Windows\{054911C2-964F-4293-B474-749395853208}.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:4552
                  • C:\Windows\{1267A364-7019-49db-83F0-E18D55E0E6C2}.exe
                    C:\Windows\{1267A364-7019-49db-83F0-E18D55E0E6C2}.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:4140
                    • C:\Windows\{367753A8-49C2-4c75-80D6-65B38AFFCE2A}.exe
                      C:\Windows\{367753A8-49C2-4c75-80D6-65B38AFFCE2A}.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:3992
                      • C:\Windows\{5483DCA8-44A7-4c34-A8DD-37BB17390530}.exe
                        C:\Windows\{5483DCA8-44A7-4c34-A8DD-37BB17390530}.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:4320
                        • C:\Windows\{D9BF1A7E-F916-4475-99CA-CA29E6379459}.exe
                          C:\Windows\{D9BF1A7E-F916-4475-99CA-CA29E6379459}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:3504
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{5483D~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:4220
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{36775~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:2492
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{1267A~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:2008
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{05491~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:5884
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{8710A~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:1892
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{E0048~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:5356
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{00341~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:2000
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{DF9A4~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:2720
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{F44FB~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:5540
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{E87CD~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:2324
    • 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:5444

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {00341D52-CB15-4ee0-AE75-07FDC7272C4D}.exe

        • Path C:\Windows\{00341D52-CB15-4ee0-AE75-07FDC7272C4D}.exe
        • Size 79KB
        • SHA256 43feba31ef8e5d2c274e21169ddb16203f44bb0dca845e36cb94db49a4635c2b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {054911C2-964F-4293-B474-749395853208}.exe

        • Path C:\Windows\{054911C2-964F-4293-B474-749395853208}.exe
        • Size 79KB
        • SHA256 dbdeba90c21570b3cdd7d92664ce19d49328891636f2631393636d2382d61e0c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {1267A364-7019-49db-83F0-E18D55E0E6C2}.exe

        • Path C:\Windows\{1267A364-7019-49db-83F0-E18D55E0E6C2}.exe
        • Size 79KB
        • SHA256 5598af31ad1c67bf072a997fbdd1a212de81d970ce575ec74a53bc4d275c004e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {367753A8-49C2-4c75-80D6-65B38AFFCE2A}.exe

        • Path C:\Windows\{367753A8-49C2-4c75-80D6-65B38AFFCE2A}.exe
        • Size 79KB
        • SHA256 e7f2b21db5059193feb9ce9733709e725b7faf98b12c2f5b7beb9feac9bdf5eb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5483DCA8-44A7-4c34-A8DD-37BB17390530}.exe

        • Path C:\Windows\{5483DCA8-44A7-4c34-A8DD-37BB17390530}.exe
        • Size 79KB
        • SHA256 2e988a6d48ee0729fc4f5e4f55cb75c5add0aa4a7496dc16829519821c694ea8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8710A9B6-4342-464e-8DDD-9AA1442E19CE}.exe

        • Path C:\Windows\{8710A9B6-4342-464e-8DDD-9AA1442E19CE}.exe
        • Size 79KB
        • SHA256 2e57b2dd0c79dab79ee8ac4e52a9156d8fae8cb7132e203bf83239aac8047068
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D9BF1A7E-F916-4475-99CA-CA29E6379459}.exe

        • Path C:\Windows\{D9BF1A7E-F916-4475-99CA-CA29E6379459}.exe
        • Size 79KB
        • SHA256 c5982a313f248fbf4aac72eeff90ca6abdef2ed3f1dc14bfd035eda1bd63f20f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {DF9A4FB6-1900-4e9c-A4F8-EA88A90AE62D}.exe

        • Path C:\Windows\{DF9A4FB6-1900-4e9c-A4F8-EA88A90AE62D}.exe
        • Size 79KB
        • SHA256 6e28e5e13552d963b814c8c6f33bdb33af51a2fefd5ef9174b8ad110c61913e2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E0048F93-1937-4e36-9781-7E9AA4857BA1}.exe

        • Path C:\Windows\{E0048F93-1937-4e36-9781-7E9AA4857BA1}.exe
        • Size 79KB
        • SHA256 1d5d1383d077dd6de145e63dd038c5644c7ac75b4ff08dc0cabe9e530a411909
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E87CD86A-9748-47a1-95D6-6CA7A9B91529}.exe

        • Path C:\Windows\{E87CD86A-9748-47a1-95D6-6CA7A9B91529}.exe
        • Size 79KB
        • SHA256 b4b171fec7cc7135bb9cc937bc90a0fb049e607ba0ba0ec7bb8e0982af73995c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F44FB978-77E1-49a4-AE5B-31374AD97460}.exe

        • Path C:\Windows\{F44FB978-77E1-49a4-AE5B-31374AD97460}.exe
        • Size 79KB
        • SHA256 7dff54616ac177ac8a596f44594032d37948cb4d8a33fc0d8146f80b94aaa6eb
        • MD5 SHA1 SHA512 SSDEEP TLSH