Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/08/2026, 01:00

General

  • Target
    2026-08-20_fb92ffa6efa575989c2413d2cdad58e0_elex_remcos_wannacry.exe
  • Size 79KB
  • Sample260820-bcs1vaxcng
  • SHA256 69480a39a8e48cfcbbc51b8555e257146061a88da9dc61919a085f99d3a49285
  • 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\2026-08-20_fb92ffa6efa575989c2413d2cdad58e0_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-20_fb92ffa6efa575989c2413d2cdad58e0_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:5856
    • C:\Windows\{8031DF09-050C-41c7-8E12-AC77AFF26E38}.exe
      C:\Windows\{8031DF09-050C-41c7-8E12-AC77AFF26E38}.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:2384
      • C:\Windows\{8EA5A732-F222-4492-8410-3FC44C13CA05}.exe
        C:\Windows\{8EA5A732-F222-4492-8410-3FC44C13CA05}.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:5160
        • C:\Windows\{75782255-621E-469e-BCD1-AADCA05993D7}.exe
          C:\Windows\{75782255-621E-469e-BCD1-AADCA05993D7}.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:4824
          • C:\Windows\{FA79163F-C531-4f6c-9981-8275134BC757}.exe
            C:\Windows\{FA79163F-C531-4f6c-9981-8275134BC757}.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:6108
            • C:\Windows\{C3504527-6734-4d2e-899C-35F88BD2E5C4}.exe
              C:\Windows\{C3504527-6734-4d2e-899C-35F88BD2E5C4}.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:3392
              • C:\Windows\{5289DA0A-A879-42fb-92DA-C8497856149E}.exe
                C:\Windows\{5289DA0A-A879-42fb-92DA-C8497856149E}.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:1496
                • C:\Windows\{90BE10AF-6F0C-480c-8320-A2F85680822F}.exe
                  C:\Windows\{90BE10AF-6F0C-480c-8320-A2F85680822F}.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:4592
                  • C:\Windows\{3F737458-9167-4405-9446-8153DF32B529}.exe
                    C:\Windows\{3F737458-9167-4405-9446-8153DF32B529}.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:3512
                    • C:\Windows\{ADE9710D-06EE-45d5-B7D9-782F0A49161A}.exe
                      C:\Windows\{ADE9710D-06EE-45d5-B7D9-782F0A49161A}.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:2820
                      • C:\Windows\{8B996F16-F405-46e6-B562-6E22E8656962}.exe
                        C:\Windows\{8B996F16-F405-46e6-B562-6E22E8656962}.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:1260
                        • C:\Windows\{21BC87A0-3FA7-4cf8-BF7A-ED35AC89648C}.exe
                          C:\Windows\{21BC87A0-3FA7-4cf8-BF7A-ED35AC89648C}.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\{8B996~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:1092
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{ADE97~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:5504
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{3F737~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:4528
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{90BE1~1.EXE > nul
                    9⤵
                    • 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\{5289D~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:4108
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{C3504~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:2092
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{FA791~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:3096
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{75782~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:2024
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{8EA5A~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:1292
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{8031D~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:3108
    • 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:908

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {21BC87A0-3FA7-4cf8-BF7A-ED35AC89648C}.exe

        • Path C:\Windows\{21BC87A0-3FA7-4cf8-BF7A-ED35AC89648C}.exe
        • Size 79KB
        • SHA256 ba7f578febda271be57cec841f7f726fa3a56195282dc8155a4b344099efd776
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3F737458-9167-4405-9446-8153DF32B529}.exe

        • Path C:\Windows\{3F737458-9167-4405-9446-8153DF32B529}.exe
        • Size 79KB
        • SHA256 6604ac52a241b49864e0bc3c886e975ca8f6a6ad5400ab12ee83b8032ce5f4da
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5289DA0A-A879-42fb-92DA-C8497856149E}.exe

        • Path C:\Windows\{5289DA0A-A879-42fb-92DA-C8497856149E}.exe
        • Size 79KB
        • SHA256 14e3b9ff4edb71e4a4fec536ec402a482bf6ef2080033b5d5187086d17a92724
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {75782255-621E-469e-BCD1-AADCA05993D7}.exe

        • Path C:\Windows\{75782255-621E-469e-BCD1-AADCA05993D7}.exe
        • Size 79KB
        • SHA256 6a1a09ba07d0f57e23353265a56d9293b486cdab0ace81c00dd73c15eb16d99a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8031DF09-050C-41c7-8E12-AC77AFF26E38}.exe

        • Path C:\Windows\{8031DF09-050C-41c7-8E12-AC77AFF26E38}.exe
        • Size 79KB
        • SHA256 ee4a6313ab98b476ed7e1943f5dab40795692bebd688508fa1753a5ece5ba6ee
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8B996F16-F405-46e6-B562-6E22E8656962}.exe

        • Path C:\Windows\{8B996F16-F405-46e6-B562-6E22E8656962}.exe
        • Size 79KB
        • SHA256 20ae94c31c7ab4596ec43e8ed59d9ea3e0cb7f8766d5244eb3d514b4bcb739f9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8EA5A732-F222-4492-8410-3FC44C13CA05}.exe

        • Path C:\Windows\{8EA5A732-F222-4492-8410-3FC44C13CA05}.exe
        • Size 79KB
        • SHA256 0e456a1d8e20bebf01e7c1dec41de0b4894571f2a3659631a9ee22c52eb44524
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {90BE10AF-6F0C-480c-8320-A2F85680822F}.exe

        • Path C:\Windows\{90BE10AF-6F0C-480c-8320-A2F85680822F}.exe
        • Size 79KB
        • SHA256 5d2d8d887e908810438154379ba226d98ae3cfc81a47d342a01c83ad3932093d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {ADE9710D-06EE-45d5-B7D9-782F0A49161A}.exe

        • Path C:\Windows\{ADE9710D-06EE-45d5-B7D9-782F0A49161A}.exe
        • Size 79KB
        • SHA256 0934cb7a77cb2f8c06ddcf78d7560b11de596520d5db1194fe54197b66293dad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {C3504527-6734-4d2e-899C-35F88BD2E5C4}.exe

        • Path C:\Windows\{C3504527-6734-4d2e-899C-35F88BD2E5C4}.exe
        • Size 79KB
        • SHA256 839e867a32bdfe80322ce68071789bba0f76c2f6757c02b2cb739f3a0529524e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {FA79163F-C531-4f6c-9981-8275134BC757}.exe

        • Path C:\Windows\{FA79163F-C531-4f6c-9981-8275134BC757}.exe
        • Size 79KB
        • SHA256 5752fcbf5fca5da2ac2a4a4e639d929c67734afdb2d2ed3f586d0afe0db5691e
        • MD5 SHA1 SHA512 SSDEEP TLSH