Analysis

  • max time kernel
    148s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    26/10/2026, 21:34

General

  • Target
    2026-10-25_85d1efffa89dc946127daa218be0eec6_elex_remcos_wannacry.exe
  • Size 60KB
  • Sample261026-1e56may1bx
  • SHA256 b871d81bdd7955ec7db034f57270cf69755fcc2c805c44292277bea4ddd292b0
  • 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\2026-10-25_85d1efffa89dc946127daa218be0eec6_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-25_85d1efffa89dc946127daa218be0eec6_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:4076
    • C:\Windows\{E3E5047C-9945-494d-B0ED-D87A8FD14CF3}.exe
      C:\Windows\{E3E5047C-9945-494d-B0ED-D87A8FD14CF3}.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:4840
      • C:\Windows\{23FF4572-AA85-431b-B89E-CF4DB4DE418E}.exe
        C:\Windows\{23FF4572-AA85-431b-B89E-CF4DB4DE418E}.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:6116
        • C:\Windows\{DACC8870-AAB0-454a-8017-418ADA3AB679}.exe
          C:\Windows\{DACC8870-AAB0-454a-8017-418ADA3AB679}.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:4124
          • C:\Windows\{3C24EAFF-FEC8-4efe-852A-3D410B111B51}.exe
            C:\Windows\{3C24EAFF-FEC8-4efe-852A-3D410B111B51}.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:5568
            • C:\Windows\{28938553-95CA-4198-891D-53804F2E5E37}.exe
              C:\Windows\{28938553-95CA-4198-891D-53804F2E5E37}.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:4276
              • C:\Windows\{CA41153C-D876-4f89-AD0D-6E354E20105B}.exe
                C:\Windows\{CA41153C-D876-4f89-AD0D-6E354E20105B}.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:6024
                • C:\Windows\{7FBCF8BB-0A21-40df-915D-9226B87636C8}.exe
                  C:\Windows\{7FBCF8BB-0A21-40df-915D-9226B87636C8}.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:592
                  • C:\Windows\{844B0A54-3247-4af0-AEFF-D74CE61D9FBB}.exe
                    C:\Windows\{844B0A54-3247-4af0-AEFF-D74CE61D9FBB}.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:2612
                    • C:\Windows\{36F369C9-D2CE-415a-A657-940F6676A02E}.exe
                      C:\Windows\{36F369C9-D2CE-415a-A657-940F6676A02E}.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:1840
                      • C:\Windows\{045E2AA4-54A6-4559-A49B-0C9B8415419F}.exe
                        C:\Windows\{045E2AA4-54A6-4559-A49B-0C9B8415419F}.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:4508
                        • C:\Windows\{801C54C0-DF86-4dd4-BC1B-FB5C3E8ED4D0}.exe
                          C:\Windows\{801C54C0-DF86-4dd4-BC1B-FB5C3E8ED4D0}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:4900
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{045E2~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:3652
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{36F36~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:1360
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{844B0~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:1516
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{7FBCF~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:5688
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{CA411~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:4656
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{28938~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:5936
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{3C24E~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:5140
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{DACC8~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:2108
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{23FF4~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:3980
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{E3E50~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:4868
    • 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:5784

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        {045E2AA4-54A6-4559-A49B-0C9B8415419F}.exe

        • Path C:\Windows\{045E2AA4-54A6-4559-A49B-0C9B8415419F}.exe
        • Size 60KB
        • SHA256 bea5e4dc2fdc6c8894c292bb6268f2d5f8aceef3837e19406ed8b55cbfeed4fc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {23FF4572-AA85-431b-B89E-CF4DB4DE418E}.exe

        • Path C:\Windows\{23FF4572-AA85-431b-B89E-CF4DB4DE418E}.exe
        • Size 60KB
        • SHA256 830cbef639ff31feba2e81d3433f7cef0aec2d6b0436510ec7949d62cef9ebf0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {28938553-95CA-4198-891D-53804F2E5E37}.exe

        • Path C:\Windows\{28938553-95CA-4198-891D-53804F2E5E37}.exe
        • Size 60KB
        • SHA256 b7e33032e26e97acace162130ba35c6589bcd9d96c0ffb29478dfa679eec56e3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {36F369C9-D2CE-415a-A657-940F6676A02E}.exe

        • Path C:\Windows\{36F369C9-D2CE-415a-A657-940F6676A02E}.exe
        • Size 60KB
        • SHA256 74d18c3aa8b080f3c91e9c2de819417a38acbc9d839972a00c142dfe47f60a0c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3C24EAFF-FEC8-4efe-852A-3D410B111B51}.exe

        • Path C:\Windows\{3C24EAFF-FEC8-4efe-852A-3D410B111B51}.exe
        • Size 60KB
        • SHA256 230a7717074b9f82c6c138e8b268143455429d64f648109537431e30c4278d5c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {7FBCF8BB-0A21-40df-915D-9226B87636C8}.exe

        • Path C:\Windows\{7FBCF8BB-0A21-40df-915D-9226B87636C8}.exe
        • Size 60KB
        • SHA256 65bda2b93ad186541c6124ec2a2acc5aec6a80e3532003f62f5aa0ee0b251e9e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {801C54C0-DF86-4dd4-BC1B-FB5C3E8ED4D0}.exe

        • Path C:\Windows\{801C54C0-DF86-4dd4-BC1B-FB5C3E8ED4D0}.exe
        • Size 60KB
        • SHA256 565c4dfd4e42d30030aada1b1881f86a31a0e28c8a1fb2b7cfae7c49e5973792
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {844B0A54-3247-4af0-AEFF-D74CE61D9FBB}.exe

        • Path C:\Windows\{844B0A54-3247-4af0-AEFF-D74CE61D9FBB}.exe
        • Size 60KB
        • SHA256 2ddd1d656c381f1267dc54d94235f89ed61212f3c151f6215c0c12c47a3805d7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CA41153C-D876-4f89-AD0D-6E354E20105B}.exe

        • Path C:\Windows\{CA41153C-D876-4f89-AD0D-6E354E20105B}.exe
        • Size 60KB
        • SHA256 7b3394995cc008e4668956a3777749bb517b8140695181fd0e96d439e4db9474
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {DACC8870-AAB0-454a-8017-418ADA3AB679}.exe

        • Path C:\Windows\{DACC8870-AAB0-454a-8017-418ADA3AB679}.exe
        • Size 60KB
        • SHA256 de595983ffa0d94e26365bfe4ffea2f37cd080402d6fd86bd8486407dfbbfd54
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E3E5047C-9945-494d-B0ED-D87A8FD14CF3}.exe

        • Path C:\Windows\{E3E5047C-9945-494d-B0ED-D87A8FD14CF3}.exe
        • Size 60KB
        • SHA256 f55ab4ed528d7d0f8a60f9aac9b6ee2225943b762e813b58ba1de3a26028db6f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/592-56-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/592-50-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1840-65-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1840-71-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2612-58-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2612-63-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4076-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4076-8-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4076-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4124-22-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4124-28-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4276-42-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4276-38-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4276-36-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4508-77-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4508-72-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4840-9-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4840-6-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4840-14-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4900-79-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5568-34-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/5568-29-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6024-51-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6024-44-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6116-15-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/6116-20-0x0000000000400000-0x0000000000410000-memory.dmp