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, 22:36

General

  • Target
    2026-10-27_ef6b18752aea75279eaab42d46dc875a_elex_remcos_wannacry.exe
  • Size 79KB
  • Sample261027-2h9tnagv21
  • SHA256 9f694e1ee56969091be60428b3614986583a09a826f604bd9b9a0c23781efb78
  • 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\2026-10-27_ef6b18752aea75279eaab42d46dc875a_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-27_ef6b18752aea75279eaab42d46dc875a_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:3688
    • C:\Windows\{E4F8707A-282C-4537-A326-06F1393A8097}.exe
      C:\Windows\{E4F8707A-282C-4537-A326-06F1393A8097}.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:1528
      • C:\Windows\{A83A0A98-5172-40d9-9C7E-8F5C0635BF1D}.exe
        C:\Windows\{A83A0A98-5172-40d9-9C7E-8F5C0635BF1D}.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:2100
        • C:\Windows\{A0A3D836-4EEC-4d06-9A41-C124A258D5DC}.exe
          C:\Windows\{A0A3D836-4EEC-4d06-9A41-C124A258D5DC}.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:2824
          • C:\Windows\{DCEA2AEA-6BCA-4afa-A01D-814B4F80E58E}.exe
            C:\Windows\{DCEA2AEA-6BCA-4afa-A01D-814B4F80E58E}.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:5708
            • C:\Windows\{E9072BD8-126F-4efa-BCBB-BAA175ACC18E}.exe
              C:\Windows\{E9072BD8-126F-4efa-BCBB-BAA175ACC18E}.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:5664
              • C:\Windows\{0B88C025-E301-4e48-88FE-167AC8D44493}.exe
                C:\Windows\{0B88C025-E301-4e48-88FE-167AC8D44493}.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:1836
                • C:\Windows\{EE3BFF80-6849-4d63-9050-A2418B46B342}.exe
                  C:\Windows\{EE3BFF80-6849-4d63-9050-A2418B46B342}.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:3484
                  • C:\Windows\{580B301C-57B2-445c-8FF5-2661EA30686E}.exe
                    C:\Windows\{580B301C-57B2-445c-8FF5-2661EA30686E}.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:1676
                    • C:\Windows\{A55D3E92-D048-4068-B1FC-A2AAF34D4651}.exe
                      C:\Windows\{A55D3E92-D048-4068-B1FC-A2AAF34D4651}.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:1124
                      • C:\Windows\{2DEFBF20-16EB-4de8-BB2E-EF476F7461FB}.exe
                        C:\Windows\{2DEFBF20-16EB-4de8-BB2E-EF476F7461FB}.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:2844
                        • C:\Windows\{FE60B5A2-4B03-4d5a-9BB5-37D11D56E0DA}.exe
                          C:\Windows\{FE60B5A2-4B03-4d5a-9BB5-37D11D56E0DA}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:3368
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{2DEFB~1.EXE > nul
                          12⤵
                          • 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\{A55D3~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:3320
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{580B3~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:4792
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{EE3BF~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:5440
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{0B88C~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:4976
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{E9072~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:6120
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{DCEA2~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:1572
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{A0A3D~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:3544
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{A83A0~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:2672
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{E4F87~1.EXE > nul
        3⤵
        • 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:\Users\Admin\AppData\Local\Temp\2026-1~1.EXE > nul
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      PID:4528

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {0B88C025-E301-4e48-88FE-167AC8D44493}.exe

        • Path C:\Windows\{0B88C025-E301-4e48-88FE-167AC8D44493}.exe
        • Size 79KB
        • SHA256 01c7afb324cdecfaf381419319844bfa8bb6058a69a64512a5a7e70ca3820c73
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {2DEFBF20-16EB-4de8-BB2E-EF476F7461FB}.exe

        • Path C:\Windows\{2DEFBF20-16EB-4de8-BB2E-EF476F7461FB}.exe
        • Size 79KB
        • SHA256 7af9beae0c751064d186566713178f6a903499df8c45a9df469080838d4dcaf6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {580B301C-57B2-445c-8FF5-2661EA30686E}.exe

        • Path C:\Windows\{580B301C-57B2-445c-8FF5-2661EA30686E}.exe
        • Size 79KB
        • SHA256 56a7fc67e67e29dd1ae9422d65fa7993fa104c18cfd0c9eda8d5f43985570068
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A0A3D836-4EEC-4d06-9A41-C124A258D5DC}.exe

        • Path C:\Windows\{A0A3D836-4EEC-4d06-9A41-C124A258D5DC}.exe
        • Size 79KB
        • SHA256 649c380d3e6bc72bddf4d8e71a1570a9753238dfa6a2837ea6cf7d87a6b2cda6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A55D3E92-D048-4068-B1FC-A2AAF34D4651}.exe

        • Path C:\Windows\{A55D3E92-D048-4068-B1FC-A2AAF34D4651}.exe
        • Size 79KB
        • SHA256 e5b89d23786c7648d62caa75e2f9c3c8c56c96a19e6c9b6235dd6c6fe372e21c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A83A0A98-5172-40d9-9C7E-8F5C0635BF1D}.exe

        • Path C:\Windows\{A83A0A98-5172-40d9-9C7E-8F5C0635BF1D}.exe
        • Size 79KB
        • SHA256 dabffc1c4ab17ef2ffc21e2c74c692b18b1381e803dbb7ab9248ce4f2d5d8632
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {DCEA2AEA-6BCA-4afa-A01D-814B4F80E58E}.exe

        • Path C:\Windows\{DCEA2AEA-6BCA-4afa-A01D-814B4F80E58E}.exe
        • Size 79KB
        • SHA256 7b535a0858111269f7db0f54498d0d879398908000e68e95dc6073c3b12f6bb4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E4F8707A-282C-4537-A326-06F1393A8097}.exe

        • Path C:\Windows\{E4F8707A-282C-4537-A326-06F1393A8097}.exe
        • Size 79KB
        • SHA256 b01fcac3cee012d5f3a6144b8e265397778fef0cdaf4f81fe4dde77f0a292a27
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E9072BD8-126F-4efa-BCBB-BAA175ACC18E}.exe

        • Path C:\Windows\{E9072BD8-126F-4efa-BCBB-BAA175ACC18E}.exe
        • Size 79KB
        • SHA256 2829d6bf77d59f56fc4b535b156b23d2a9bee2adaecf55d150ec0a2b30e5364f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {EE3BFF80-6849-4d63-9050-A2418B46B342}.exe

        • Path C:\Windows\{EE3BFF80-6849-4d63-9050-A2418B46B342}.exe
        • Size 79KB
        • SHA256 0a91c136293b609769e27eba3d350248b1936770fbba50e3b94cef7a591decc5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {FE60B5A2-4B03-4d5a-9BB5-37D11D56E0DA}.exe

        • Path C:\Windows\{FE60B5A2-4B03-4d5a-9BB5-37D11D56E0DA}.exe
        • Size 79KB
        • SHA256 631f0e1aaf4ee6ddd0e0f26a0e30360940010239dcfe2a8a82a0ac7aa0ad3073
        • MD5 SHA1 SHA512 SSDEEP TLSH