Analysis

  • max time kernel
    148s
  • max time network
    116s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/08/2026, 18:43

General

  • Target
    2026-08-21_14fa1978e8f62b99ede58041bad7b62a_elex_remcos_wannacry.exe
  • Size 64KB
  • Sample260822-xdds7sxhpg
  • SHA256 ec9acd19d21e5f09252c0a9cfeda9a0ee1652f570bcabbdab3605b3f9e0d29f9
  • 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 35 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 35 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\2026-08-21_14fa1978e8f62b99ede58041bad7b62a_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-21_14fa1978e8f62b99ede58041bad7b62a_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:4880
    • C:\Windows\{A32FE15C-5469-4713-9714-F3043A20C13E}.exe
      C:\Windows\{A32FE15C-5469-4713-9714-F3043A20C13E}.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:1432
      • C:\Windows\{9EF4FFF2-5FD8-4cfe-A4BC-C544B983D779}.exe
        C:\Windows\{9EF4FFF2-5FD8-4cfe-A4BC-C544B983D779}.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:5208
        • C:\Windows\{EA930548-B4C5-4306-B840-ABCCA369E5B4}.exe
          C:\Windows\{EA930548-B4C5-4306-B840-ABCCA369E5B4}.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:1816
          • C:\Windows\{36278E2A-4195-4855-B589-BF4E8708A688}.exe
            C:\Windows\{36278E2A-4195-4855-B589-BF4E8708A688}.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:4460
            • C:\Windows\{4D3AC441-5270-4a18-B5DB-BB67878C43B4}.exe
              C:\Windows\{4D3AC441-5270-4a18-B5DB-BB67878C43B4}.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:5692
              • C:\Windows\{491D10CA-10BB-49ce-9ADF-1956F749546D}.exe
                C:\Windows\{491D10CA-10BB-49ce-9ADF-1956F749546D}.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:2700
                • C:\Windows\{EF9738A0-8BDE-4f7c-AEB6-0F6FDA3FC529}.exe
                  C:\Windows\{EF9738A0-8BDE-4f7c-AEB6-0F6FDA3FC529}.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:2360
                  • C:\Windows\{5B5E073A-E3A6-4fab-ABB2-CDF6182A02A6}.exe
                    C:\Windows\{5B5E073A-E3A6-4fab-ABB2-CDF6182A02A6}.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:2148
                    • C:\Windows\{2AF0CB2C-8DA9-4256-A773-3C68AD168BDD}.exe
                      C:\Windows\{2AF0CB2C-8DA9-4256-A773-3C68AD168BDD}.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:2428
                      • C:\Windows\{9DF1ED46-AFBC-4854-8427-F1637D409F8B}.exe
                        C:\Windows\{9DF1ED46-AFBC-4854-8427-F1637D409F8B}.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:6028
                        • C:\Windows\{F3DEEDB0-0121-4edb-BE2A-467639003E04}.exe
                          C:\Windows\{F3DEEDB0-0121-4edb-BE2A-467639003E04}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:2920
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{9DF1E~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:2764
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{2AF0C~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:5776
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{5B5E0~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:792
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{EF973~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:5832
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{491D1~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:1128
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{4D3AC~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:5516
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{36278~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:4948
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{EA930~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:1252
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{9EF4F~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:4548
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{A32FE~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:2996
    • 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:2788

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {2AF0CB2C-8DA9-4256-A773-3C68AD168BDD}.exe

        • Path C:\Windows\{2AF0CB2C-8DA9-4256-A773-3C68AD168BDD}.exe
        • Size 64KB
        • SHA256 b10481d7b746949a9ecf94848a975e821c94be5f56f91b649cd8c5d1d737c348
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {36278E2A-4195-4855-B589-BF4E8708A688}.exe

        • Path C:\Windows\{36278E2A-4195-4855-B589-BF4E8708A688}.exe
        • Size 64KB
        • SHA256 55e69c358b003997a3964ccf4bf87620f6bfd336349f9072822a96a04f4d2efa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {491D10CA-10BB-49ce-9ADF-1956F749546D}.exe

        • Path C:\Windows\{491D10CA-10BB-49ce-9ADF-1956F749546D}.exe
        • Size 64KB
        • SHA256 334d58dea306a91a95cd9168a801084dcb73b87a6de2ed1dd1dc9dd12f90b31f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {4D3AC441-5270-4a18-B5DB-BB67878C43B4}.exe

        • Path C:\Windows\{4D3AC441-5270-4a18-B5DB-BB67878C43B4}.exe
        • Size 64KB
        • SHA256 f4d8e2d75ad14e3b3cb97d1606bfef37f4670f92757587200edb4123899d7f6e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5B5E073A-E3A6-4fab-ABB2-CDF6182A02A6}.exe

        • Path C:\Windows\{5B5E073A-E3A6-4fab-ABB2-CDF6182A02A6}.exe
        • Size 64KB
        • SHA256 39017eaf0ceed610c7364d9b817f0a3b38067b9cfebf8a1c1c836e89e55c682d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {9DF1ED46-AFBC-4854-8427-F1637D409F8B}.exe

        • Path C:\Windows\{9DF1ED46-AFBC-4854-8427-F1637D409F8B}.exe
        • Size 64KB
        • SHA256 ad44b6794ebe662e0ab782c892dacc9d5d20022601423a40fd7e86aacd734c4b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {9EF4FFF2-5FD8-4cfe-A4BC-C544B983D779}.exe

        • Path C:\Windows\{9EF4FFF2-5FD8-4cfe-A4BC-C544B983D779}.exe
        • Size 64KB
        • SHA256 43c74a586e8970c4be02960551b3d418029fd4d3f149c6c7dc9743b961fa7200
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A32FE15C-5469-4713-9714-F3043A20C13E}.exe

        • Path C:\Windows\{A32FE15C-5469-4713-9714-F3043A20C13E}.exe
        • Size 64KB
        • SHA256 93d9570a33ddc6092373f62c4ae8c24bf46fbf216292fb49481aaeb802c24f96
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {EA930548-B4C5-4306-B840-ABCCA369E5B4}.exe

        • Path C:\Windows\{EA930548-B4C5-4306-B840-ABCCA369E5B4}.exe
        • Size 64KB
        • SHA256 5e3fa452ceb7cc9e5edd926d0db6332e2232edd1832bb395266b75d5a6c6c6fd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {EF9738A0-8BDE-4f7c-AEB6-0F6FDA3FC529}.exe

        • Path C:\Windows\{EF9738A0-8BDE-4f7c-AEB6-0F6FDA3FC529}.exe
        • Size 64KB
        • SHA256 9a709269cc2629616f77153972412438e5974236aa55381a79a1f3e9d9bd73ba
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F3DEEDB0-0121-4edb-BE2A-467639003E04}.exe

        • Path C:\Windows\{F3DEEDB0-0121-4edb-BE2A-467639003E04}.exe
        • Size 64KB
        • SHA256 0a97d26a53edf60308821c5211c4cbc40bfd79f6d931692d248422927da057ac
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1432-6-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1432-14-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1816-26-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1816-20-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2148-56-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2148-61-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2360-49-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2360-54-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2428-70-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2428-63-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2700-48-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2700-41-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2920-77-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4460-28-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4460-33-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4880-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4880-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4880-7-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5208-21-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5208-13-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5692-42-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5692-35-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6028-69-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6028-75-0x0000000000400000-0x0000000000410000-memory.dmp