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
    29/10/2026, 23:45

General

  • Target
    2026-10-28_8f274dcc127c8004b667c247dc45abec_elex_remcos_wannacry.exe
  • Size 60KB
  • Sample261029-3ry9ysfx2s
  • SHA256 2de895c8f3cf4e4ac4669963a6cbd6ff055f774ef1a82ddfafc8f59617e0de18
  • 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\2026-10-28_8f274dcc127c8004b667c247dc45abec_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-28_8f274dcc127c8004b667c247dc45abec_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:1832
    • C:\Windows\{E537A3FD-441B-4fda-A9A2-A52F68247FC0}.exe
      C:\Windows\{E537A3FD-441B-4fda-A9A2-A52F68247FC0}.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:5860
      • C:\Windows\{AE92D726-1AA0-4863-8D47-D0213718519A}.exe
        C:\Windows\{AE92D726-1AA0-4863-8D47-D0213718519A}.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:2672
        • C:\Windows\{F21F0FCD-123B-4279-AD2B-0D7A958CCF4A}.exe
          C:\Windows\{F21F0FCD-123B-4279-AD2B-0D7A958CCF4A}.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:4300
          • C:\Windows\{8E08089C-845D-44b1-AF0B-A5158C877214}.exe
            C:\Windows\{8E08089C-845D-44b1-AF0B-A5158C877214}.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:1928
            • C:\Windows\{BEE9B22C-3E1F-4465-905D-25786C16EF8E}.exe
              C:\Windows\{BEE9B22C-3E1F-4465-905D-25786C16EF8E}.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:4720
              • C:\Windows\{075DC5FD-A901-428d-9673-1C03977F79E2}.exe
                C:\Windows\{075DC5FD-A901-428d-9673-1C03977F79E2}.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:1484
                • C:\Windows\{9C43FDC7-10F0-4a7a-B145-8E391BC97909}.exe
                  C:\Windows\{9C43FDC7-10F0-4a7a-B145-8E391BC97909}.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:2908
                  • C:\Windows\{CAEFBBBB-4247-4b51-81C5-109A6D9CE159}.exe
                    C:\Windows\{CAEFBBBB-4247-4b51-81C5-109A6D9CE159}.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:1372
                    • C:\Windows\{BFDC82CC-5487-4602-A370-C6268894FD0B}.exe
                      C:\Windows\{BFDC82CC-5487-4602-A370-C6268894FD0B}.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:3032
                      • C:\Windows\{04015B09-4160-432f-B433-D26A5E40AA36}.exe
                        C:\Windows\{04015B09-4160-432f-B433-D26A5E40AA36}.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:4412
                        • C:\Windows\{27D98553-B8FC-4686-8B26-ADDCE87BD3F0}.exe
                          C:\Windows\{27D98553-B8FC-4686-8B26-ADDCE87BD3F0}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:2348
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{04015~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:4140
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{BFDC8~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:3180
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{CAEFB~1.EXE > nul
                      10⤵
                      • 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\{9C43F~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:1124
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{075DC~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:5676
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{BEE9B~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:4612
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{8E080~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:4084
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{F21F0~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:3872
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{AE92D~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:4776
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{E537A~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:5908
    • 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:904

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {04015B09-4160-432f-B433-D26A5E40AA36}.exe

        • Path C:\Windows\{04015B09-4160-432f-B433-D26A5E40AA36}.exe
        • Size 60KB
        • SHA256 cfb6cf885a5e807444d1d311313b45a38426db4de1aa4a312d32bf058271718f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {075DC5FD-A901-428d-9673-1C03977F79E2}.exe

        • Path C:\Windows\{075DC5FD-A901-428d-9673-1C03977F79E2}.exe
        • Size 60KB
        • SHA256 9dd2417eaccf66bc1cc4e64aebeb4ba7d1b50f87ae079fecb4d09b419396f4d7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {27D98553-B8FC-4686-8B26-ADDCE87BD3F0}.exe

        • Path C:\Windows\{27D98553-B8FC-4686-8B26-ADDCE87BD3F0}.exe
        • Size 60KB
        • SHA256 e3a89af4fea0e94811640d8d120290675b6dcb8beb1fe816168d4dd1ce271c59
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8E08089C-845D-44b1-AF0B-A5158C877214}.exe

        • Path C:\Windows\{8E08089C-845D-44b1-AF0B-A5158C877214}.exe
        • Size 60KB
        • SHA256 27755ff12ca11719c8d080fbe2829490b0ba14e92a83a115de0d08556081633e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {9C43FDC7-10F0-4a7a-B145-8E391BC97909}.exe

        • Path C:\Windows\{9C43FDC7-10F0-4a7a-B145-8E391BC97909}.exe
        • Size 60KB
        • SHA256 5ba93b7c7f7fbfb4efb71640de6a4f6b2f118c13dfe1c6e08b32c7ecb044a70e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {AE92D726-1AA0-4863-8D47-D0213718519A}.exe

        • Path C:\Windows\{AE92D726-1AA0-4863-8D47-D0213718519A}.exe
        • Size 60KB
        • SHA256 abc03f095268c526c759c904a3c8bc4d67c14cfe4cd0474e8f68384adf08a717
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {BEE9B22C-3E1F-4465-905D-25786C16EF8E}.exe

        • Path C:\Windows\{BEE9B22C-3E1F-4465-905D-25786C16EF8E}.exe
        • Size 60KB
        • SHA256 0bac4000ecd89ef5b6ba4b72898b89387f4ed619605c3dd38ddba72da20456d4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {BFDC82CC-5487-4602-A370-C6268894FD0B}.exe

        • Path C:\Windows\{BFDC82CC-5487-4602-A370-C6268894FD0B}.exe
        • Size 60KB
        • SHA256 fd90c1e737adc7d07d27fd794544f85d31296f014cee2b0b6155f0de4d40937e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CAEFBBBB-4247-4b51-81C5-109A6D9CE159}.exe

        • Path C:\Windows\{CAEFBBBB-4247-4b51-81C5-109A6D9CE159}.exe
        • Size 60KB
        • SHA256 cb907e860f6c45bd02d825e59b9716aeb83cabf6f1580627bebad29798fcab75
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E537A3FD-441B-4fda-A9A2-A52F68247FC0}.exe

        • Path C:\Windows\{E537A3FD-441B-4fda-A9A2-A52F68247FC0}.exe
        • Size 60KB
        • SHA256 7ea0a16dd697aa4b815f516376f2b94fa6e425f9440da45752f73f652acfc10e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F21F0FCD-123B-4279-AD2B-0D7A958CCF4A}.exe

        • Path C:\Windows\{F21F0FCD-123B-4279-AD2B-0D7A958CCF4A}.exe
        • Size 60KB
        • SHA256 04787590a740bc68544b35db681fe179543c7abe2718f28dafe1db747b7e82a6
        • MD5 SHA1 SHA512 SSDEEP TLSH