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
    13/09/2026, 12:25

General

  • Target
    2026-09-13_955d4d2227700570027912fa4f6fd3d3_elex_remcos_wannacry.exe
  • Size 79KB
  • Sample260913-plqhzabb53
  • SHA256 b03602dee2fa199cfa44d5d9e6652734ac64e76e658efebdebb2df88d57d7568
  • 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\2026-09-13_955d4d2227700570027912fa4f6fd3d3_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-13_955d4d2227700570027912fa4f6fd3d3_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:2556
    • C:\Windows\{54643859-7743-41fa-9843-9B93124C4F38}.exe
      C:\Windows\{54643859-7743-41fa-9843-9B93124C4F38}.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:4332
      • C:\Windows\{6A08563B-8F45-4f23-9E32-B14D290B0AB3}.exe
        C:\Windows\{6A08563B-8F45-4f23-9E32-B14D290B0AB3}.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:1124
        • C:\Windows\{9D9D8213-0F41-4fa0-B4F8-DE0CDC94AB9F}.exe
          C:\Windows\{9D9D8213-0F41-4fa0-B4F8-DE0CDC94AB9F}.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:2804
          • C:\Windows\{C95E8431-B0EE-40d6-B99F-F374989E5B14}.exe
            C:\Windows\{C95E8431-B0EE-40d6-B99F-F374989E5B14}.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:2648
            • C:\Windows\{5092600A-2A42-4670-87D8-3E3DF57E4FCA}.exe
              C:\Windows\{5092600A-2A42-4670-87D8-3E3DF57E4FCA}.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:3952
              • C:\Windows\{532AA921-7F5E-492d-973E-02348E4C921D}.exe
                C:\Windows\{532AA921-7F5E-492d-973E-02348E4C921D}.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:264
                • C:\Windows\{39E9E1D2-4E21-4ea8-9762-03D23BD1D5C3}.exe
                  C:\Windows\{39E9E1D2-4E21-4ea8-9762-03D23BD1D5C3}.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:5972
                  • C:\Windows\{312BB45B-8A4D-44e3-83B5-BC5E06D8A59E}.exe
                    C:\Windows\{312BB45B-8A4D-44e3-83B5-BC5E06D8A59E}.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:2636
                    • C:\Windows\{4A76569A-A74C-4e76-AB12-0CAED9CAABD1}.exe
                      C:\Windows\{4A76569A-A74C-4e76-AB12-0CAED9CAABD1}.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:5872
                      • C:\Windows\{68F4D3E2-D175-4f90-9BC8-D880E633C1B4}.exe
                        C:\Windows\{68F4D3E2-D175-4f90-9BC8-D880E633C1B4}.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:3440
                        • C:\Windows\{EE5CF913-A71B-4e32-AFD7-B243ED74E825}.exe
                          C:\Windows\{EE5CF913-A71B-4e32-AFD7-B243ED74E825}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:2080
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{68F4D~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:4352
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{4A765~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:3708
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{312BB~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:1908
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{39E9E~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:2640
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{532AA~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:1196
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{50926~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:256
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{C95E8~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:4380
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{9D9D8~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:3744
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{6A085~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:6112
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{54643~1.EXE > nul
        3⤵
        • 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:\Users\Admin\AppData\Local\Temp\2026-0~1.EXE > nul
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:5184

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {312BB45B-8A4D-44e3-83B5-BC5E06D8A59E}.exe

        • Path C:\Windows\{312BB45B-8A4D-44e3-83B5-BC5E06D8A59E}.exe
        • Size 79KB
        • SHA256 bedf59824796f0d78dcc86b4a5c1dbcec631e331a1605bfe2ebb70214f9f8b3f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {39E9E1D2-4E21-4ea8-9762-03D23BD1D5C3}.exe

        • Path C:\Windows\{39E9E1D2-4E21-4ea8-9762-03D23BD1D5C3}.exe
        • Size 79KB
        • SHA256 aa921ab72003ff7947d793cbb55e1fbb61d2ec043c41d28a22452e982050259b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {4A76569A-A74C-4e76-AB12-0CAED9CAABD1}.exe

        • Path C:\Windows\{4A76569A-A74C-4e76-AB12-0CAED9CAABD1}.exe
        • Size 79KB
        • SHA256 b509a969f3f0fea047c08568d26ff09e038ea420eb8befdae06215ee64ea6799
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5092600A-2A42-4670-87D8-3E3DF57E4FCA}.exe

        • Path C:\Windows\{5092600A-2A42-4670-87D8-3E3DF57E4FCA}.exe
        • Size 79KB
        • SHA256 ed45c8ae1d000f8321925eb6013eb23803d682eb4cc8c2949c169cce1fd7d72f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {532AA921-7F5E-492d-973E-02348E4C921D}.exe

        • Path C:\Windows\{532AA921-7F5E-492d-973E-02348E4C921D}.exe
        • Size 79KB
        • SHA256 a864c3552d5051ff749c06880ceefb3a0d69191468c2b5c1aec78cb0d9923038
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {54643859-7743-41fa-9843-9B93124C4F38}.exe

        • Path C:\Windows\{54643859-7743-41fa-9843-9B93124C4F38}.exe
        • Size 79KB
        • SHA256 4b62cb6ece21655caca3f9382c3d66c94c0c827718de8a8c5341455ef87961cf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {68F4D3E2-D175-4f90-9BC8-D880E633C1B4}.exe

        • Path C:\Windows\{68F4D3E2-D175-4f90-9BC8-D880E633C1B4}.exe
        • Size 79KB
        • SHA256 1ae3102aaca2cba5931cef15270f4856b8349cb384730b5fc12175fc8bdec850
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {6A08563B-8F45-4f23-9E32-B14D290B0AB3}.exe

        • Path C:\Windows\{6A08563B-8F45-4f23-9E32-B14D290B0AB3}.exe
        • Size 79KB
        • SHA256 73bd955508f099f7af7519a758ca43695ac7d34d9603f3474c22093740fa30c0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {9D9D8213-0F41-4fa0-B4F8-DE0CDC94AB9F}.exe

        • Path C:\Windows\{9D9D8213-0F41-4fa0-B4F8-DE0CDC94AB9F}.exe
        • Size 79KB
        • SHA256 7183a2d54184c014b62c95aa49fe07691f6a68c24f09bf1fb09a79fc9e66946f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {C95E8431-B0EE-40d6-B99F-F374989E5B14}.exe

        • Path C:\Windows\{C95E8431-B0EE-40d6-B99F-F374989E5B14}.exe
        • Size 79KB
        • SHA256 6197b999042e63883f99d319fcf70075462cfce9866650d53c5c4af03325e9f4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {EE5CF913-A71B-4e32-AFD7-B243ED74E825}.exe

        • Path C:\Windows\{EE5CF913-A71B-4e32-AFD7-B243ED74E825}.exe
        • Size 79KB
        • SHA256 89d8b6c90a73a3fd6e5a5a7182338fe23e8121e4a1f22e45d2a276290d57be3e
        • MD5 SHA1 SHA512 SSDEEP TLSH