Analysis

  • max time kernel
    148s
  • max time network
    136s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/08/2026, 10:32

General

  • Target
    2026-08-14_3f203d861199643b029c9f62910e5ff0_elex_remcos_wannacry.exe
  • Size 59KB
  • Sample260814-mkzdda1emb
  • SHA256 a0f4973339889ccb2d0721627cc9d90645c1f9f06e52bc8169d0dcb62f0c840b
  • 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\2026-08-14_3f203d861199643b029c9f62910e5ff0_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-14_3f203d861199643b029c9f62910e5ff0_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:4920
    • C:\Windows\{D991AABB-52FA-4b8f-A902-811213A1F856}.exe
      C:\Windows\{D991AABB-52FA-4b8f-A902-811213A1F856}.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:1676
      • C:\Windows\{57294D2B-61BA-4f09-8EDC-3C75C319626B}.exe
        C:\Windows\{57294D2B-61BA-4f09-8EDC-3C75C319626B}.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:1696
        • C:\Windows\{82C9780E-F170-44d4-A735-49755871113B}.exe
          C:\Windows\{82C9780E-F170-44d4-A735-49755871113B}.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:4216
          • C:\Windows\{F837B202-741B-4ccc-916A-6B58792A6E47}.exe
            C:\Windows\{F837B202-741B-4ccc-916A-6B58792A6E47}.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:364
            • C:\Windows\{104A4C68-4DD9-4cc5-BD9C-64A2D6882DCA}.exe
              C:\Windows\{104A4C68-4DD9-4cc5-BD9C-64A2D6882DCA}.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:5980
              • C:\Windows\{39DAF2AF-C623-4144-A3C9-880B9DC163E8}.exe
                C:\Windows\{39DAF2AF-C623-4144-A3C9-880B9DC163E8}.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:4808
                • C:\Windows\{0BF960D7-4FD4-4f5f-AD10-1524F8F40CA1}.exe
                  C:\Windows\{0BF960D7-4FD4-4f5f-AD10-1524F8F40CA1}.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:4640
                  • C:\Windows\{EAF167D9-7C89-4659-A530-2A1F98BB49C2}.exe
                    C:\Windows\{EAF167D9-7C89-4659-A530-2A1F98BB49C2}.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:5036
                    • C:\Windows\{C4FAD0F3-785C-4064-A71F-DB04C3DA59F2}.exe
                      C:\Windows\{C4FAD0F3-785C-4064-A71F-DB04C3DA59F2}.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:2888
                      • C:\Windows\{F151833C-D49A-40c3-AB54-36D41DCAA77E}.exe
                        C:\Windows\{F151833C-D49A-40c3-AB54-36D41DCAA77E}.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\{D8DE55CD-3147-45e0-BCB5-36C2F7304B3E}.exe
                          C:\Windows\{D8DE55CD-3147-45e0-BCB5-36C2F7304B3E}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:3412
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{F1518~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:1864
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{C4FAD~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:4160
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{EAF16~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:2060
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{0BF96~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:1212
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{39DAF~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:696
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{104A4~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:5376
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{F837B~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:2644
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{82C97~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:2204
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{57294~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:2884
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{D991A~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:2440
    • 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:1920

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {0BF960D7-4FD4-4f5f-AD10-1524F8F40CA1}.exe

        • Path C:\Windows\{0BF960D7-4FD4-4f5f-AD10-1524F8F40CA1}.exe
        • Size 59KB
        • SHA256 fb86f59de70fd5804b4b9776d4486fe7625a8dafc731f2e7f5e51751a63a5181
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {104A4C68-4DD9-4cc5-BD9C-64A2D6882DCA}.exe

        • Path C:\Windows\{104A4C68-4DD9-4cc5-BD9C-64A2D6882DCA}.exe
        • Size 59KB
        • SHA256 2ad1c60bcbfc6bcef6b3e229124cd9fc5ca6f1946a0e78d3c0b5bd8f5101f0aa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {39DAF2AF-C623-4144-A3C9-880B9DC163E8}.exe

        • Path C:\Windows\{39DAF2AF-C623-4144-A3C9-880B9DC163E8}.exe
        • Size 59KB
        • SHA256 8c713d5e0c149e13e650ef18a10f04d77ad9806414f2269b62649569d8f8a916
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {57294D2B-61BA-4f09-8EDC-3C75C319626B}.exe

        • Path C:\Windows\{57294D2B-61BA-4f09-8EDC-3C75C319626B}.exe
        • Size 59KB
        • SHA256 c4b277340df1750e7729ddf3bbcd5578fe12e3fc19a3ecaae3d74d01a5ee16e8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {82C9780E-F170-44d4-A735-49755871113B}.exe

        • Path C:\Windows\{82C9780E-F170-44d4-A735-49755871113B}.exe
        • Size 59KB
        • SHA256 1e93c21e35e4cbdfde926307afa32db3f03362e24b1bf536595340e9d3058915
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {C4FAD0F3-785C-4064-A71F-DB04C3DA59F2}.exe

        • Path C:\Windows\{C4FAD0F3-785C-4064-A71F-DB04C3DA59F2}.exe
        • Size 59KB
        • SHA256 d3d7d800634418e304ed89c17cc4ad1cb3ef1764e7a37ec3da767602cd27b45f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D8DE55CD-3147-45e0-BCB5-36C2F7304B3E}.exe

        • Path C:\Windows\{D8DE55CD-3147-45e0-BCB5-36C2F7304B3E}.exe
        • Size 59KB
        • SHA256 94f43873cbd0e502df97a7f40add8586ebf203a67e9f2da8356512753bae4505
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D991AABB-52FA-4b8f-A902-811213A1F856}.exe

        • Path C:\Windows\{D991AABB-52FA-4b8f-A902-811213A1F856}.exe
        • Size 59KB
        • SHA256 e0b344a61d77af2f354fd5d9edf359bd2250ffecc9f78273ce71bcc7d6a5d47c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {EAF167D9-7C89-4659-A530-2A1F98BB49C2}.exe

        • Path C:\Windows\{EAF167D9-7C89-4659-A530-2A1F98BB49C2}.exe
        • Size 59KB
        • SHA256 3c9f1a3130f28e87b9e1e75bf7d5f3061898b35783e1228c3d6abc8dcb5d71c3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F151833C-D49A-40c3-AB54-36D41DCAA77E}.exe

        • Path C:\Windows\{F151833C-D49A-40c3-AB54-36D41DCAA77E}.exe
        • Size 59KB
        • SHA256 5c07dd5995e45af8d49508bba0b13b0148d64442de53af25c547fc8c2ece13fb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F837B202-741B-4ccc-916A-6B58792A6E47}.exe

        • Path C:\Windows\{F837B202-741B-4ccc-916A-6B58792A6E47}.exe
        • Size 59KB
        • SHA256 06c21bcde2a9eadb38bfbe6980ebadcebd20ed984a5e2ea779e3ccb6e1716e01
        • MD5 SHA1 SHA512 SSDEEP TLSH