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
    23/10/2026, 08:54

General

  • Target
    2026-10-23_a71b297c183a0fa76733a3db80a77e43_elex_remcos_wannacry.exe
  • Size 60KB
  • Sample261023-kt3faaxtbs
  • SHA256 ccd5a08514ca105928022c5348228999e63782e528d0d8061c2a20dd429236dd
  • 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\2026-10-23_a71b297c183a0fa76733a3db80a77e43_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-23_a71b297c183a0fa76733a3db80a77e43_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:2728
    • C:\Windows\{772DF1AA-D46C-47ea-96E8-0A83AC6CC54E}.exe
      C:\Windows\{772DF1AA-D46C-47ea-96E8-0A83AC6CC54E}.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:4472
      • C:\Windows\{8D9C56BF-DE72-4c8a-8862-788BE90E051F}.exe
        C:\Windows\{8D9C56BF-DE72-4c8a-8862-788BE90E051F}.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:5976
        • C:\Windows\{5D76E4E1-C8DB-4035-A1F6-9AA9BB9B5F47}.exe
          C:\Windows\{5D76E4E1-C8DB-4035-A1F6-9AA9BB9B5F47}.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:364
          • C:\Windows\{94073CAB-EB9E-47cc-9828-41398CAB9D8B}.exe
            C:\Windows\{94073CAB-EB9E-47cc-9828-41398CAB9D8B}.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:3384
            • C:\Windows\{F689E6AE-32C5-407b-BE9D-7CD45D4C1B1B}.exe
              C:\Windows\{F689E6AE-32C5-407b-BE9D-7CD45D4C1B1B}.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:6120
              • C:\Windows\{631714A3-E351-4724-813E-7F761D941693}.exe
                C:\Windows\{631714A3-E351-4724-813E-7F761D941693}.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:5912
                • C:\Windows\{6510495F-6D02-4ea2-8994-933253ABF140}.exe
                  C:\Windows\{6510495F-6D02-4ea2-8994-933253ABF140}.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:5000
                  • C:\Windows\{996D8CD8-9CE6-4907-9D9C-86441D76B9D7}.exe
                    C:\Windows\{996D8CD8-9CE6-4907-9D9C-86441D76B9D7}.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:5124
                    • C:\Windows\{A85D6EB4-7A69-4beb-A9A6-587E9F17DB06}.exe
                      C:\Windows\{A85D6EB4-7A69-4beb-A9A6-587E9F17DB06}.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\{E416D35D-132E-4eb9-AB06-6261FF88E71A}.exe
                        C:\Windows\{E416D35D-132E-4eb9-AB06-6261FF88E71A}.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:3900
                        • C:\Windows\{67CA1B5E-C5FD-4b62-9206-7F8B436FDBD5}.exe
                          C:\Windows\{67CA1B5E-C5FD-4b62-9206-7F8B436FDBD5}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:5800
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{E416D~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:1768
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{A85D6~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:1948
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{996D8~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:1988
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{65104~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:5604
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{63171~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:2072
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{F689E~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:1872
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{94073~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:2800
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{5D76E~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:4056
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{8D9C5~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:248
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{772DF~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:3244
    • 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:4728

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {5D76E4E1-C8DB-4035-A1F6-9AA9BB9B5F47}.exe

        • Path C:\Windows\{5D76E4E1-C8DB-4035-A1F6-9AA9BB9B5F47}.exe
        • Size 60KB
        • SHA256 e1bb62b18045cd22f6f85796b2158c4e45cec31b23452636c078d2f52cd33f5c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {631714A3-E351-4724-813E-7F761D941693}.exe

        • Path C:\Windows\{631714A3-E351-4724-813E-7F761D941693}.exe
        • Size 60KB
        • SHA256 aa8efafbdf63c435412fbba5f1694143b9c607ff27cba92b23ebcbe6217d5af4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {6510495F-6D02-4ea2-8994-933253ABF140}.exe

        • Path C:\Windows\{6510495F-6D02-4ea2-8994-933253ABF140}.exe
        • Size 60KB
        • SHA256 135e983ab1a23ff5ba74d22574d98662d12c7a56602a17435a3a98a9b396b933
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {67CA1B5E-C5FD-4b62-9206-7F8B436FDBD5}.exe

        • Path C:\Windows\{67CA1B5E-C5FD-4b62-9206-7F8B436FDBD5}.exe
        • Size 60KB
        • SHA256 4fcc0e74e2f0be05777950accc6caeec4ed8a4aae362c37fe2fcbfe8be3bdc81
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {772DF1AA-D46C-47ea-96E8-0A83AC6CC54E}.exe

        • Path C:\Windows\{772DF1AA-D46C-47ea-96E8-0A83AC6CC54E}.exe
        • Size 60KB
        • SHA256 bfb9f8afbc9008ddd325c935c6af6e5d1a7d9a069ae808de6a7c9a670ae3cdb9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8D9C56BF-DE72-4c8a-8862-788BE90E051F}.exe

        • Path C:\Windows\{8D9C56BF-DE72-4c8a-8862-788BE90E051F}.exe
        • Size 60KB
        • SHA256 8447c6700ffceff0e311ff698ac0c75220cd7bd5618ef0e63966d203b1dd00dd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {94073CAB-EB9E-47cc-9828-41398CAB9D8B}.exe

        • Path C:\Windows\{94073CAB-EB9E-47cc-9828-41398CAB9D8B}.exe
        • Size 60KB
        • SHA256 23b607f01da995706ae1dbe8922cc85db56b443133a0989942db8b9ceb738ce6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {996D8CD8-9CE6-4907-9D9C-86441D76B9D7}.exe

        • Path C:\Windows\{996D8CD8-9CE6-4907-9D9C-86441D76B9D7}.exe
        • Size 60KB
        • SHA256 84c50f9cb293c50be336458fae4f4d90562bbd516a8c091315a0594bdb87db6e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A85D6EB4-7A69-4beb-A9A6-587E9F17DB06}.exe

        • Path C:\Windows\{A85D6EB4-7A69-4beb-A9A6-587E9F17DB06}.exe
        • Size 60KB
        • SHA256 a8388fe87b072b15710a00f1b3399ababd78a9b79966a17d2031cc2b9dd10679
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E416D35D-132E-4eb9-AB06-6261FF88E71A}.exe

        • Path C:\Windows\{E416D35D-132E-4eb9-AB06-6261FF88E71A}.exe
        • Size 60KB
        • SHA256 f2a0e0f7c717a224d6cc0f81a6f6811a0f5221f14f7e9d8f1a7d57feb8bc71db
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F689E6AE-32C5-407b-BE9D-7CD45D4C1B1B}.exe

        • Path C:\Windows\{F689E6AE-32C5-407b-BE9D-7CD45D4C1B1B}.exe
        • Size 60KB
        • SHA256 f3d5d6cff60104bbc747c377ae5b2d568e367e23223f7f0543d26079905562f8
        • MD5 SHA1 SHA512 SSDEEP TLSH