Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/10/2026, 21:54

General

  • Target
    2026-10-22_0d9764de62b916d4d5ece86bf9b2d26f_elex_remcos_wannacry.exe
  • Size 64KB
  • Sample261024-1sfswset8p
  • SHA256 111c6cb0e7d3df52b5a7241fc7c2d6042c8b02ca6b60466b909dfbd22459b235
  • 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 37 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 37 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\2026-10-22_0d9764de62b916d4d5ece86bf9b2d26f_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-22_0d9764de62b916d4d5ece86bf9b2d26f_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:6020
    • C:\Windows\{9700D2F3-A49C-474a-B176-8AE3CEDD769F}.exe
      C:\Windows\{9700D2F3-A49C-474a-B176-8AE3CEDD769F}.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:3444
      • C:\Windows\{A83213CB-EEDB-4ff5-9769-040B681B9E8C}.exe
        C:\Windows\{A83213CB-EEDB-4ff5-9769-040B681B9E8C}.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:5844
        • C:\Windows\{EC79ECAD-B38A-4cf7-A198-57EF6D4903E7}.exe
          C:\Windows\{EC79ECAD-B38A-4cf7-A198-57EF6D4903E7}.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:4436
          • C:\Windows\{5B92605F-E8AC-4b58-A007-952A452AAEFB}.exe
            C:\Windows\{5B92605F-E8AC-4b58-A007-952A452AAEFB}.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:3268
            • C:\Windows\{2DCE6D41-21AE-44e5-A751-873537FB0CE7}.exe
              C:\Windows\{2DCE6D41-21AE-44e5-A751-873537FB0CE7}.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:5112
              • C:\Windows\{C87434E9-32A7-4684-8211-888B4FC5C573}.exe
                C:\Windows\{C87434E9-32A7-4684-8211-888B4FC5C573}.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:2824
                • C:\Windows\{5FB03888-DC82-477e-82C8-2FF1CAB19F34}.exe
                  C:\Windows\{5FB03888-DC82-477e-82C8-2FF1CAB19F34}.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:1780
                  • C:\Windows\{1DC5ACC4-FF96-4e89-A3A1-AE5BD3F00792}.exe
                    C:\Windows\{1DC5ACC4-FF96-4e89-A3A1-AE5BD3F00792}.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:2692
                    • C:\Windows\{9F3C4055-9589-4520-94A4-BA4443985623}.exe
                      C:\Windows\{9F3C4055-9589-4520-94A4-BA4443985623}.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:5400
                      • C:\Windows\{98B127DC-113D-4438-B223-6E52D917B076}.exe
                        C:\Windows\{98B127DC-113D-4438-B223-6E52D917B076}.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:992
                        • C:\Windows\{1FCDD524-B790-4a56-8587-08C39D8127F7}.exe
                          C:\Windows\{1FCDD524-B790-4a56-8587-08C39D8127F7}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:6128
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{98B12~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:3052
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{9F3C4~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:1348
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{1DC5A~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:3440
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{5FB03~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:1944
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{C8743~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:5664
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{2DCE6~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:5288
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{5B926~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:1552
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{EC79E~1.EXE > nul
            5⤵
            • 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\{A8321~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:4848
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{9700D~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:1684
    • 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:3988

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {1DC5ACC4-FF96-4e89-A3A1-AE5BD3F00792}.exe

        • Path C:\Windows\{1DC5ACC4-FF96-4e89-A3A1-AE5BD3F00792}.exe
        • Size 64KB
        • SHA256 518b5ddb0f516d25af611289194d42ec98bc41ddab26ed490cb71a78006d52af
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {1FCDD524-B790-4a56-8587-08C39D8127F7}.exe

        • Path C:\Windows\{1FCDD524-B790-4a56-8587-08C39D8127F7}.exe
        • Size 64KB
        • SHA256 54469d61dd9e20f58a80778a2adc5f4d0ef95c95a6ab8939c408560287c686e7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {2DCE6D41-21AE-44e5-A751-873537FB0CE7}.exe

        • Path C:\Windows\{2DCE6D41-21AE-44e5-A751-873537FB0CE7}.exe
        • Size 64KB
        • SHA256 c99938d10dcfd922a3535dc0f41f28d2263759332079e0671f324766da1205aa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5B92605F-E8AC-4b58-A007-952A452AAEFB}.exe

        • Path C:\Windows\{5B92605F-E8AC-4b58-A007-952A452AAEFB}.exe
        • Size 64KB
        • SHA256 846c70d9342a06a31dd1c60d472822c281438b8ffe92cf846c804b4e3017207a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5FB03888-DC82-477e-82C8-2FF1CAB19F34}.exe

        • Path C:\Windows\{5FB03888-DC82-477e-82C8-2FF1CAB19F34}.exe
        • Size 64KB
        • SHA256 3072553f6db2a2d9b5a36a7cbd83516c3940a9b48701ecabbefd34b46d6b135b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {9700D2F3-A49C-474a-B176-8AE3CEDD769F}.exe

        • Path C:\Windows\{9700D2F3-A49C-474a-B176-8AE3CEDD769F}.exe
        • Size 64KB
        • SHA256 5ced06b9ae514cf36888d6d3e615136c4a513843db766809a0553ddb951b48a0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {98B127DC-113D-4438-B223-6E52D917B076}.exe

        • Path C:\Windows\{98B127DC-113D-4438-B223-6E52D917B076}.exe
        • Size 64KB
        • SHA256 afa5787bce929746968d81b531b3d9903e5c13f2d269c077069a0dca82db23e3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {9F3C4055-9589-4520-94A4-BA4443985623}.exe

        • Path C:\Windows\{9F3C4055-9589-4520-94A4-BA4443985623}.exe
        • Size 64KB
        • SHA256 4b255e3d13fb5c4033d741e52a8073e4405239a2ac51f881bd7192673ea09a4f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A83213CB-EEDB-4ff5-9769-040B681B9E8C}.exe

        • Path C:\Windows\{A83213CB-EEDB-4ff5-9769-040B681B9E8C}.exe
        • Size 64KB
        • SHA256 4b772a6fcfe93400214b0cec4d16c23d8db2c1f629ce3dfcbfc14cc90ef28ee4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {C87434E9-32A7-4684-8211-888B4FC5C573}.exe

        • Path C:\Windows\{C87434E9-32A7-4684-8211-888B4FC5C573}.exe
        • Size 64KB
        • SHA256 a3697efb0c1967d97ee9f0bd0df0c6c93ad0a63f91eda0a5a13731a2410ad538
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {EC79ECAD-B38A-4cf7-A198-57EF6D4903E7}.exe

        • Path C:\Windows\{EC79ECAD-B38A-4cf7-A198-57EF6D4903E7}.exe
        • Size 64KB
        • SHA256 6adb4671293a0d7b3f734f747b1711f105f9cee368c5556487653d2157fcb773
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/992-71-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/992-73-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/992-79-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1780-55-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1780-50-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2692-62-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2692-57-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2824-48-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2824-43-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3268-28-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3268-33-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3444-12-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3444-6-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4436-26-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4436-21-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5112-41-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5112-35-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5112-37-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5400-64-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5400-70-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5844-14-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5844-20-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6020-7-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6020-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6020-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6128-78-0x0000000000400000-0x0000000000410000-memory.dmp