Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/08/2026, 10:16

General

  • Target
    2026-08-20_249649917c8641e5bf4cf0fae30ac4f2_elex_remcos_wannacry.exe
  • Size 79KB
  • Sample260820-ma9flacf64
  • SHA256 a10b93a0fbebf2cbbca5cc0076e1ae27500f1b61becccac900665d44ae222f97
  • 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\2026-08-20_249649917c8641e5bf4cf0fae30ac4f2_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-20_249649917c8641e5bf4cf0fae30ac4f2_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:3212
    • C:\Windows\{718CFCD5-7E96-4617-BE22-2E42C94BC71A}.exe
      C:\Windows\{718CFCD5-7E96-4617-BE22-2E42C94BC71A}.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:3236
      • C:\Windows\{C09A1029-B7A0-4ff1-AA84-B2B144F3F2FC}.exe
        C:\Windows\{C09A1029-B7A0-4ff1-AA84-B2B144F3F2FC}.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:2776
        • C:\Windows\{CB978209-3B30-4f77-B4A3-D08421192B6C}.exe
          C:\Windows\{CB978209-3B30-4f77-B4A3-D08421192B6C}.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:3764
          • C:\Windows\{87A2E018-D551-487d-A3E5-C82D99962904}.exe
            C:\Windows\{87A2E018-D551-487d-A3E5-C82D99962904}.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:4424
            • C:\Windows\{D9789695-34C1-4a25-82FA-BA91439428B1}.exe
              C:\Windows\{D9789695-34C1-4a25-82FA-BA91439428B1}.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:5620
              • C:\Windows\{6B06F6AB-CF05-481f-A5B0-DC78BCAA0B73}.exe
                C:\Windows\{6B06F6AB-CF05-481f-A5B0-DC78BCAA0B73}.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:4508
                • C:\Windows\{77421FB7-9E93-4cb0-B777-A83E1A02971C}.exe
                  C:\Windows\{77421FB7-9E93-4cb0-B777-A83E1A02971C}.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:6088
                  • C:\Windows\{B9E277D9-1ED4-496c-BA32-2910374E9162}.exe
                    C:\Windows\{B9E277D9-1ED4-496c-BA32-2910374E9162}.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:4688
                    • C:\Windows\{EF75CA72-1E41-455e-9B27-1CC6533A72FB}.exe
                      C:\Windows\{EF75CA72-1E41-455e-9B27-1CC6533A72FB}.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:4752
                      • C:\Windows\{AE5FE94F-959F-45db-BC18-D3F5507E3D55}.exe
                        C:\Windows\{AE5FE94F-959F-45db-BC18-D3F5507E3D55}.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:5864
                        • C:\Windows\{508D76AD-31BF-4f95-AB9B-BDAE452F15E7}.exe
                          C:\Windows\{508D76AD-31BF-4f95-AB9B-BDAE452F15E7}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:4300
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{AE5FE~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:4612
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{EF75C~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:1892
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{B9E27~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:2720
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{77421~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:956
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{6B06F~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:1924
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{D9789~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:1120
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{87A2E~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:1244
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{CB978~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:548
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{C09A1~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:4540
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{718CF~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:4452
    • 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:4616

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {508D76AD-31BF-4f95-AB9B-BDAE452F15E7}.exe

        • Path C:\Windows\{508D76AD-31BF-4f95-AB9B-BDAE452F15E7}.exe
        • Size 79KB
        • SHA256 4ca2361d3233dc3640f8454b26be343e5a46e829fd999567866708994ea25494
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {6B06F6AB-CF05-481f-A5B0-DC78BCAA0B73}.exe

        • Path C:\Windows\{6B06F6AB-CF05-481f-A5B0-DC78BCAA0B73}.exe
        • Size 79KB
        • SHA256 9fe148bb318380f519ba7e837a2a349bf19554be205b81fdc1f343caca986eb7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {718CFCD5-7E96-4617-BE22-2E42C94BC71A}.exe

        • Path C:\Windows\{718CFCD5-7E96-4617-BE22-2E42C94BC71A}.exe
        • Size 79KB
        • SHA256 5b6b9cca14bd22da5900988ed3429c3140c17c29fabffac811a3a876c8da2e04
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {77421FB7-9E93-4cb0-B777-A83E1A02971C}.exe

        • Path C:\Windows\{77421FB7-9E93-4cb0-B777-A83E1A02971C}.exe
        • Size 79KB
        • SHA256 f953a2db601f061b3641f707b52749715dcc037bba3e080a243e8736ef82bed9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {87A2E018-D551-487d-A3E5-C82D99962904}.exe

        • Path C:\Windows\{87A2E018-D551-487d-A3E5-C82D99962904}.exe
        • Size 79KB
        • SHA256 01744c5b3f4fc94b96b5ea9ef2ab65bddcc815884c0a8cead7b431355b904dcb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {AE5FE94F-959F-45db-BC18-D3F5507E3D55}.exe

        • Path C:\Windows\{AE5FE94F-959F-45db-BC18-D3F5507E3D55}.exe
        • Size 79KB
        • SHA256 3d4f72183373f09593baf53f00f221ec0386a0ae2326be20b0a8934f143c9c36
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {B9E277D9-1ED4-496c-BA32-2910374E9162}.exe

        • Path C:\Windows\{B9E277D9-1ED4-496c-BA32-2910374E9162}.exe
        • Size 79KB
        • SHA256 270cdeb42385f4ed8f8713d08a878df5a42bdf52b738bb9490731cc11b309bba
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {C09A1029-B7A0-4ff1-AA84-B2B144F3F2FC}.exe

        • Path C:\Windows\{C09A1029-B7A0-4ff1-AA84-B2B144F3F2FC}.exe
        • Size 79KB
        • SHA256 15ccbaf298bd91e2694435dbaa928a709c31e4fbf3c24831f8f1f373dce06075
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CB978209-3B30-4f77-B4A3-D08421192B6C}.exe

        • Path C:\Windows\{CB978209-3B30-4f77-B4A3-D08421192B6C}.exe
        • Size 79KB
        • SHA256 e4c013c102b50e7a48096fb6b72399c113b07e348ca4a6f807f31590e61d89ea
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D9789695-34C1-4a25-82FA-BA91439428B1}.exe

        • Path C:\Windows\{D9789695-34C1-4a25-82FA-BA91439428B1}.exe
        • Size 79KB
        • SHA256 ee94be19d8816bae0692145163a1d1295862f557793c1cabad4b4a8c55c9217c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {EF75CA72-1E41-455e-9B27-1CC6533A72FB}.exe

        • Path C:\Windows\{EF75CA72-1E41-455e-9B27-1CC6533A72FB}.exe
        • Size 79KB
        • SHA256 f952a03fcdc2c8affe7c9e6b7769541a98dc82928d67ac6b6043c1df4f417137
        • MD5 SHA1 SHA512 SSDEEP TLSH