Analysis

  • max time kernel
    148s
  • max time network
    114s
  • 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, 04:57

General

  • Target
    2026-08-16_275eb3bbcf1e1ea4829be5cddd8c2bb8_elex_remcos_wannacry.exe
  • Size 59KB
  • Sample260816-flcsfa1tbv
  • SHA256 c1a108c2f0381c59728a7ae94d0d2d807a820b3d3fd482ba9c35175494b1873f
  • 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_275eb3bbcf1e1ea4829be5cddd8c2bb8_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-16_275eb3bbcf1e1ea4829be5cddd8c2bb8_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:4900
    • C:\Windows\{9FEA315F-83D3-4416-A0A9-9E793455AAB0}.exe
      C:\Windows\{9FEA315F-83D3-4416-A0A9-9E793455AAB0}.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:4032
      • C:\Windows\{E67374BC-09E7-404a-BBD3-4284060044AD}.exe
        C:\Windows\{E67374BC-09E7-404a-BBD3-4284060044AD}.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:3220
        • C:\Windows\{414762E1-BFCA-4e2a-BE76-9408890C0AEA}.exe
          C:\Windows\{414762E1-BFCA-4e2a-BE76-9408890C0AEA}.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:4524
          • C:\Windows\{F336A8AE-CB97-413f-A80E-43AE23302DF6}.exe
            C:\Windows\{F336A8AE-CB97-413f-A80E-43AE23302DF6}.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:6040
            • C:\Windows\{3506612D-8B76-4d95-83DA-4738D878DED4}.exe
              C:\Windows\{3506612D-8B76-4d95-83DA-4738D878DED4}.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:1368
              • C:\Windows\{863AA28D-C868-4665-9434-F05ED8CD043D}.exe
                C:\Windows\{863AA28D-C868-4665-9434-F05ED8CD043D}.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:2744
                • C:\Windows\{C778423C-277E-43e2-B495-26ABBF70EB52}.exe
                  C:\Windows\{C778423C-277E-43e2-B495-26ABBF70EB52}.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:5348
                  • C:\Windows\{F459608A-9AD9-47a7-9E09-201E94E31077}.exe
                    C:\Windows\{F459608A-9AD9-47a7-9E09-201E94E31077}.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:4388
                    • C:\Windows\{5EFAE905-1836-4b29-AE55-9319AAB3D0B3}.exe
                      C:\Windows\{5EFAE905-1836-4b29-AE55-9319AAB3D0B3}.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:2680
                      • C:\Windows\{293E51B5-2FDC-4c85-BE08-57AA1DE2B73F}.exe
                        C:\Windows\{293E51B5-2FDC-4c85-BE08-57AA1DE2B73F}.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:1172
                        • C:\Windows\{BDC82888-1150-4bfe-B92A-F1C46B4F1081}.exe
                          C:\Windows\{BDC82888-1150-4bfe-B92A-F1C46B4F1081}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:2520
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{293E5~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:2756
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{5EFAE~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:2136
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{F4596~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:1604
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{C7784~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:4744
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{863AA~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:1376
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{35066~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:3080
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{F336A~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:4060
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{41476~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:3336
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{E6737~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:3724
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{9FEA3~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:2896
    • 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:5664

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {293E51B5-2FDC-4c85-BE08-57AA1DE2B73F}.exe

        • Path C:\Windows\{293E51B5-2FDC-4c85-BE08-57AA1DE2B73F}.exe
        • Size 59KB
        • SHA256 faa7e251e6614184395d561f249c7c0e34a2e6798a96d978fb00033f864cfa4d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3506612D-8B76-4d95-83DA-4738D878DED4}.exe

        • Path C:\Windows\{3506612D-8B76-4d95-83DA-4738D878DED4}.exe
        • Size 59KB
        • SHA256 0778c079743f09768c418179ac900c4905c1c09f5aa24b33f22677c1f48aa2d2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {414762E1-BFCA-4e2a-BE76-9408890C0AEA}.exe

        • Path C:\Windows\{414762E1-BFCA-4e2a-BE76-9408890C0AEA}.exe
        • Size 59KB
        • SHA256 f35bbd0cc424096be7fdbbed9a9f87239fd7e1dcba1c2763331f18cdaa9f60c1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5EFAE905-1836-4b29-AE55-9319AAB3D0B3}.exe

        • Path C:\Windows\{5EFAE905-1836-4b29-AE55-9319AAB3D0B3}.exe
        • Size 59KB
        • SHA256 cdaa80d341ae198d648c0c03cb2b75e8567ad039b8d19744fea4e394110df1c6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {863AA28D-C868-4665-9434-F05ED8CD043D}.exe

        • Path C:\Windows\{863AA28D-C868-4665-9434-F05ED8CD043D}.exe
        • Size 59KB
        • SHA256 7f076e8d7f05dcbeed075e8a816d9492af6642e83146ae65658c60f889e23aa9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {9FEA315F-83D3-4416-A0A9-9E793455AAB0}.exe

        • Path C:\Windows\{9FEA315F-83D3-4416-A0A9-9E793455AAB0}.exe
        • Size 59KB
        • SHA256 4692c696fd826ced86c07d88a5ece92e5a10a9d0a3c44b3e3dd95c836b6c192c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {BDC82888-1150-4bfe-B92A-F1C46B4F1081}.exe

        • Path C:\Windows\{BDC82888-1150-4bfe-B92A-F1C46B4F1081}.exe
        • Size 59KB
        • SHA256 9da05884a526502735d39ebb798d773d4e6fee9aebbffa03f08bfb678b941718
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {C778423C-277E-43e2-B495-26ABBF70EB52}.exe

        • Path C:\Windows\{C778423C-277E-43e2-B495-26ABBF70EB52}.exe
        • Size 59KB
        • SHA256 b2030d14b018afb57ac4511dab71daed7d876d8cbfcbcd8b345d6c3a1680b963
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E67374BC-09E7-404a-BBD3-4284060044AD}.exe

        • Path C:\Windows\{E67374BC-09E7-404a-BBD3-4284060044AD}.exe
        • Size 59KB
        • SHA256 e2c344ff4b0ee8b550652f561d49ab44375d4a89c13eb0ef4baca5694e0b121e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F336A8AE-CB97-413f-A80E-43AE23302DF6}.exe

        • Path C:\Windows\{F336A8AE-CB97-413f-A80E-43AE23302DF6}.exe
        • Size 59KB
        • SHA256 3e7298851ced1575abab22603c49a630010569dfb3df19ead9e74d14c8a22723
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F459608A-9AD9-47a7-9E09-201E94E31077}.exe

        • Path C:\Windows\{F459608A-9AD9-47a7-9E09-201E94E31077}.exe
        • Size 59KB
        • SHA256 f33155d6b2f851b573624e1c61c3f0852e3ea76a21f4b08d8798dc284151b6be
        • MD5 SHA1 SHA512 SSDEEP TLSH