Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/08/2026, 02:20

General

  • Target
    2026-08-12_f0c884c133ac11ed1a938af4c2fc68be_elex_remcos_wannacry.exe
  • Size 59KB
  • Sample260812-csxjmsaa68
  • SHA256 a2fca1d5a11623f3949a162f9033978f6d1aec06ee1db9dfdb37ac4dd3fd9937
  • 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\2026-08-12_f0c884c133ac11ed1a938af4c2fc68be_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-12_f0c884c133ac11ed1a938af4c2fc68be_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:2992
    • C:\Windows\{8F9FA427-1D25-460d-B3A0-8B4938390DD9}.exe
      C:\Windows\{8F9FA427-1D25-460d-B3A0-8B4938390DD9}.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:1220
      • C:\Windows\{B9A09D8A-7B08-4ba0-91A6-15B7453EBFFC}.exe
        C:\Windows\{B9A09D8A-7B08-4ba0-91A6-15B7453EBFFC}.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:3908
        • C:\Windows\{34754F0A-5B18-4d4d-AEE3-2FA6CEF4DCE0}.exe
          C:\Windows\{34754F0A-5B18-4d4d-AEE3-2FA6CEF4DCE0}.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:5492
          • C:\Windows\{58729386-76B4-4e0d-BE40-C09E509E351A}.exe
            C:\Windows\{58729386-76B4-4e0d-BE40-C09E509E351A}.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:2600
            • C:\Windows\{7556E5FF-DB1B-4bae-9D3B-DBD903B049B8}.exe
              C:\Windows\{7556E5FF-DB1B-4bae-9D3B-DBD903B049B8}.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:256
              • C:\Windows\{521C4303-E12A-4ba3-8847-691C06175560}.exe
                C:\Windows\{521C4303-E12A-4ba3-8847-691C06175560}.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:5428
                • C:\Windows\{02136D00-EE68-42f9-AE76-FCD31A435DED}.exe
                  C:\Windows\{02136D00-EE68-42f9-AE76-FCD31A435DED}.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:4496
                  • C:\Windows\{A75B7D2B-AF81-46d5-A42A-EEB555BE6FEC}.exe
                    C:\Windows\{A75B7D2B-AF81-46d5-A42A-EEB555BE6FEC}.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:4212
                    • C:\Windows\{4F296C2A-AE78-44f4-9166-3970B88337DC}.exe
                      C:\Windows\{4F296C2A-AE78-44f4-9166-3970B88337DC}.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:3400
                      • C:\Windows\{20F818DE-3726-46ce-A599-33C10ECD6E4E}.exe
                        C:\Windows\{20F818DE-3726-46ce-A599-33C10ECD6E4E}.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:4948
                        • C:\Windows\{D11C57CD-FA1A-4ced-8703-900C28143E2A}.exe
                          C:\Windows\{D11C57CD-FA1A-4ced-8703-900C28143E2A}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:5908
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{20F81~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:3472
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{4F296~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:3564
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{A75B7~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:2620
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{02136~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:5696
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{521C4~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:4960
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{7556E~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:2464
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{58729~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:124
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{34754~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:3540
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{B9A09~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:4572
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{8F9FA~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:988
    • 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:4408

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {02136D00-EE68-42f9-AE76-FCD31A435DED}.exe

        • Path C:\Windows\{02136D00-EE68-42f9-AE76-FCD31A435DED}.exe
        • Size 59KB
        • SHA256 dc3b30856114ebf1fb8581bf10c637485aee0d44844f2cab6875708cf7c8a4c3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {20F818DE-3726-46ce-A599-33C10ECD6E4E}.exe

        • Path C:\Windows\{20F818DE-3726-46ce-A599-33C10ECD6E4E}.exe
        • Size 59KB
        • SHA256 1bc7ab4f42cbd3769062867a87e5328fe13322e6f32c62cc451f6c2f0e3ddaf1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {34754F0A-5B18-4d4d-AEE3-2FA6CEF4DCE0}.exe

        • Path C:\Windows\{34754F0A-5B18-4d4d-AEE3-2FA6CEF4DCE0}.exe
        • Size 59KB
        • SHA256 01ad096c87d1bca45f2d4ac8fee21da8c18e2a03762c428a7b3af3c18fae7ee1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {4F296C2A-AE78-44f4-9166-3970B88337DC}.exe

        • Path C:\Windows\{4F296C2A-AE78-44f4-9166-3970B88337DC}.exe
        • Size 59KB
        • SHA256 d23e334c9965adc35d3a119b0787901d4043ebf4def618c7cfc05ccb10d6d673
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {521C4303-E12A-4ba3-8847-691C06175560}.exe

        • Path C:\Windows\{521C4303-E12A-4ba3-8847-691C06175560}.exe
        • Size 59KB
        • SHA256 ae2476f9711736628fa99c7b929725e62b67a8fa9d985f24eb31979da2a285d2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {58729386-76B4-4e0d-BE40-C09E509E351A}.exe

        • Path C:\Windows\{58729386-76B4-4e0d-BE40-C09E509E351A}.exe
        • Size 59KB
        • SHA256 e6dea7f046c5ea28abe52df8639b98b9ef5936a9e41e81dca698a02c3a4733c4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {7556E5FF-DB1B-4bae-9D3B-DBD903B049B8}.exe

        • Path C:\Windows\{7556E5FF-DB1B-4bae-9D3B-DBD903B049B8}.exe
        • Size 59KB
        • SHA256 3eb7e1647305e2595632553b4e84924d2a53953f5c3cb25f2aba84bc20c238b8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8F9FA427-1D25-460d-B3A0-8B4938390DD9}.exe

        • Path C:\Windows\{8F9FA427-1D25-460d-B3A0-8B4938390DD9}.exe
        • Size 59KB
        • SHA256 39857e8e81dfbbce7d5ce874f7b749d857ee89b6697d46b2a772d7ae986211b8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A75B7D2B-AF81-46d5-A42A-EEB555BE6FEC}.exe

        • Path C:\Windows\{A75B7D2B-AF81-46d5-A42A-EEB555BE6FEC}.exe
        • Size 59KB
        • SHA256 bf7fe571911a634c6b66928011edaf88d9f3617b1c133b2a8094e024d48a67d5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {B9A09D8A-7B08-4ba0-91A6-15B7453EBFFC}.exe

        • Path C:\Windows\{B9A09D8A-7B08-4ba0-91A6-15B7453EBFFC}.exe
        • Size 59KB
        • SHA256 33292a9b027e36c907489114a0fdacc408c4f3aa567ca5b88bc29c68079b8c25
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D11C57CD-FA1A-4ced-8703-900C28143E2A}.exe

        • Path C:\Windows\{D11C57CD-FA1A-4ced-8703-900C28143E2A}.exe
        • Size 59KB
        • SHA256 f645ac93ad153b3b947deddba6b46bc71de5cc3785debc99fdc88fbd93a09dc1
        • MD5 SHA1 SHA512 SSDEEP TLSH