Analysis

  • max time kernel
    148s
  • max time network
    125s
  • 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, 05:36

General

  • Target
    2026-10-23_f82ef4932cdafd519d75127b588e3325_elex_remcos_wannacry.exe
  • Size 64KB
  • Sample261023-gal3eab16m
  • SHA256 555b6495b1bc024722daa23c750daf20d0fa00859ac7b7800fa7c9399536002a
  • 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\2026-10-23_f82ef4932cdafd519d75127b588e3325_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-23_f82ef4932cdafd519d75127b588e3325_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:2692
    • C:\Windows\{F473BE2A-7D7C-4d87-AE9F-F4B9D12A023D}.exe
      C:\Windows\{F473BE2A-7D7C-4d87-AE9F-F4B9D12A023D}.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:4684
      • C:\Windows\{73420C79-12E6-40ac-BF12-D2B6E786405C}.exe
        C:\Windows\{73420C79-12E6-40ac-BF12-D2B6E786405C}.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:712
        • C:\Windows\{8978B14E-26E3-4796-B6B1-BA21AA0D1346}.exe
          C:\Windows\{8978B14E-26E3-4796-B6B1-BA21AA0D1346}.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:248
          • C:\Windows\{BAACAC8D-8C97-4422-9023-92A4DEE57733}.exe
            C:\Windows\{BAACAC8D-8C97-4422-9023-92A4DEE57733}.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:2868
            • C:\Windows\{348E1F62-4F5C-4890-8D97-C2679C947D2E}.exe
              C:\Windows\{348E1F62-4F5C-4890-8D97-C2679C947D2E}.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:4388
              • C:\Windows\{5D4247BC-27CE-4c82-854E-E368B3A072FA}.exe
                C:\Windows\{5D4247BC-27CE-4c82-854E-E368B3A072FA}.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:1776
                • C:\Windows\{E9046CCA-FC03-43a8-BC22-93692B6994A8}.exe
                  C:\Windows\{E9046CCA-FC03-43a8-BC22-93692B6994A8}.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:4296
                  • C:\Windows\{0D49B78C-716C-4a06-98E8-D3C7935C6483}.exe
                    C:\Windows\{0D49B78C-716C-4a06-98E8-D3C7935C6483}.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:1592
                    • C:\Windows\{E30F247E-960B-4dde-A3C7-6365D950B8B3}.exe
                      C:\Windows\{E30F247E-960B-4dde-A3C7-6365D950B8B3}.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:3136
                      • C:\Windows\{5D605966-9A81-49ac-9BDE-6D77A2000B18}.exe
                        C:\Windows\{5D605966-9A81-49ac-9BDE-6D77A2000B18}.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:5876
                        • C:\Windows\{8B37D3D3-669D-49e3-A795-EA074572B41C}.exe
                          C:\Windows\{8B37D3D3-669D-49e3-A795-EA074572B41C}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:5540
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{5D605~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:920
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{E30F2~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:4828
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{0D49B~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:6100
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{E9046~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:3560
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{5D424~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:5580
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{348E1~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:2912
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{BAACA~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:4720
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{8978B~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:5768
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{73420~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:4824
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{F473B~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:4192
    • 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:1076

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {0D49B78C-716C-4a06-98E8-D3C7935C6483}.exe

        • Path C:\Windows\{0D49B78C-716C-4a06-98E8-D3C7935C6483}.exe
        • Size 64KB
        • SHA256 4c324abf8c7d6c6b8677542a2dde45d19a8b3b2c548b70c59e6df9cec263718a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {348E1F62-4F5C-4890-8D97-C2679C947D2E}.exe

        • Path C:\Windows\{348E1F62-4F5C-4890-8D97-C2679C947D2E}.exe
        • Size 64KB
        • SHA256 d2ac34c97434b11f5c7339bf66c25bcd1ff3f6477a34a9d2589f654564a94b46
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5D4247BC-27CE-4c82-854E-E368B3A072FA}.exe

        • Path C:\Windows\{5D4247BC-27CE-4c82-854E-E368B3A072FA}.exe
        • Size 64KB
        • SHA256 282efd6a5f9a862d23a0b99d7dfebd9406bbb2b96f2e607827832a216ad03a24
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5D605966-9A81-49ac-9BDE-6D77A2000B18}.exe

        • Path C:\Windows\{5D605966-9A81-49ac-9BDE-6D77A2000B18}.exe
        • Size 64KB
        • SHA256 a4a8713309d7b0350846aaffdf5663fe613478117e63e3afb70c92195b20d409
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {73420C79-12E6-40ac-BF12-D2B6E786405C}.exe

        • Path C:\Windows\{73420C79-12E6-40ac-BF12-D2B6E786405C}.exe
        • Size 64KB
        • SHA256 794f304209da63bc094cc76d32810daa1d0046d0fa42e994c3a9f3ed17163010
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8978B14E-26E3-4796-B6B1-BA21AA0D1346}.exe

        • Path C:\Windows\{8978B14E-26E3-4796-B6B1-BA21AA0D1346}.exe
        • Size 64KB
        • SHA256 0e97036648dd295e28686e370ba6b573adc96dda9285af33c983d93280d6bf25
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8B37D3D3-669D-49e3-A795-EA074572B41C}.exe

        • Path C:\Windows\{8B37D3D3-669D-49e3-A795-EA074572B41C}.exe
        • Size 64KB
        • SHA256 7080c8f4788e1f093e143cf22194a819e6bb4557a9dcdb7731d69378d0859e21
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {BAACAC8D-8C97-4422-9023-92A4DEE57733}.exe

        • Path C:\Windows\{BAACAC8D-8C97-4422-9023-92A4DEE57733}.exe
        • Size 64KB
        • SHA256 6c6c6d391670b947272afad32b70012147cc3befc37e589d8a94f514d5339eb2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E30F247E-960B-4dde-A3C7-6365D950B8B3}.exe

        • Path C:\Windows\{E30F247E-960B-4dde-A3C7-6365D950B8B3}.exe
        • Size 64KB
        • SHA256 e3b3ad07611223410c3141e2858dce7c16698505cf28b3592e12d4d0d60c282e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E9046CCA-FC03-43a8-BC22-93692B6994A8}.exe

        • Path C:\Windows\{E9046CCA-FC03-43a8-BC22-93692B6994A8}.exe
        • Size 64KB
        • SHA256 67833a02ab4bd37de101cab0e3747f5002c32f86da78840e1934aa34f069dbf5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F473BE2A-7D7C-4d87-AE9F-F4B9D12A023D}.exe

        • Path C:\Windows\{F473BE2A-7D7C-4d87-AE9F-F4B9D12A023D}.exe
        • Size 64KB
        • SHA256 297ee8d4e36233a6c289bf0670ef46b946e8bc2ea5d70335407b8033c96fbc6d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/248-21-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/248-26-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/712-13-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/712-19-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1592-56-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1592-63-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1776-41-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1776-47-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2692-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2692-7-0x0000000000400000-0x0000000000410000-memory.dmp

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

        memory/2868-28-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2868-33-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3136-62-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3136-68-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4296-54-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4296-49-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4388-42-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4388-35-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4684-6-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4684-14-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5540-76-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5876-70-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5876-77-0x0000000000400000-0x0000000000410000-memory.dmp