Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    29/10/2026, 19:50

General

  • Target
    2026-10-28_bcea5e42bfd74f1a08fbb329fe09095d_elex_remcos_wannacry.exe
  • Size 64KB
  • Sample261029-ykhamscc79
  • SHA256 0391a76921d7658b9cb5dc8780cc8395feb1d665b30b320b7097facf4710b73e
  • 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 30 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 30 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\2026-10-28_bcea5e42bfd74f1a08fbb329fe09095d_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-28_bcea5e42bfd74f1a08fbb329fe09095d_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:4960
    • C:\Windows\{0D8DD5A9-D5E0-45d9-AB82-833309E93ED4}.exe
      C:\Windows\{0D8DD5A9-D5E0-45d9-AB82-833309E93ED4}.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:788
      • C:\Windows\{EE199D78-937B-4bd3-BB03-2CFC60ED837D}.exe
        C:\Windows\{EE199D78-937B-4bd3-BB03-2CFC60ED837D}.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:3828
        • C:\Windows\{936DEFA6-CDB4-4de3-9265-3C4F464F1ABC}.exe
          C:\Windows\{936DEFA6-CDB4-4de3-9265-3C4F464F1ABC}.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:2516
          • C:\Windows\{BAB1C06F-1E65-4386-A7DA-738AF4F2E261}.exe
            C:\Windows\{BAB1C06F-1E65-4386-A7DA-738AF4F2E261}.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:2192
            • C:\Windows\{C2E5B35F-76A2-4484-8D1B-1A74FE9BE190}.exe
              C:\Windows\{C2E5B35F-76A2-4484-8D1B-1A74FE9BE190}.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:1896
              • C:\Windows\{357805B5-AF73-4b95-AE00-040492CA7949}.exe
                C:\Windows\{357805B5-AF73-4b95-AE00-040492CA7949}.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:4276
                • C:\Windows\{EE12B03C-3B63-41ed-B9EE-BB163AF824D6}.exe
                  C:\Windows\{EE12B03C-3B63-41ed-B9EE-BB163AF824D6}.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:4632
                  • C:\Windows\{3FC1E14A-5924-4bc6-8A89-EAA39733290C}.exe
                    C:\Windows\{3FC1E14A-5924-4bc6-8A89-EAA39733290C}.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:4216
                    • C:\Windows\{5FF2062C-DFB2-4631-8C0D-D43C5D3A7632}.exe
                      C:\Windows\{5FF2062C-DFB2-4631-8C0D-D43C5D3A7632}.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:1352
                      • C:\Windows\{58AD79AE-624B-40bc-81AF-14342B64A07F}.exe
                        C:\Windows\{58AD79AE-624B-40bc-81AF-14342B64A07F}.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:2984
                        • C:\Windows\{2559CC2D-EECB-468e-999B-08BB66E2E418}.exe
                          C:\Windows\{2559CC2D-EECB-468e-999B-08BB66E2E418}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:2288
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{58AD7~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:4700
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{5FF20~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:4804
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{3FC1E~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:1300
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{EE12B~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:4532
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{35780~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:4232
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{C2E5B~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:1752
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{BAB1C~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:4764
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{936DE~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:3440
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{EE199~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:680
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{0D8DD~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:4472
    • 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:1796

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        {0D8DD5A9-D5E0-45d9-AB82-833309E93ED4}.exe

        • Path C:\Windows\{0D8DD5A9-D5E0-45d9-AB82-833309E93ED4}.exe
        • Size 64KB
        • SHA256 55bd865c353ad9cb80e8a99c8a7484e1efb3ade503b693cdbf3575129892e5b1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {2559CC2D-EECB-468e-999B-08BB66E2E418}.exe

        • Path C:\Windows\{2559CC2D-EECB-468e-999B-08BB66E2E418}.exe
        • Size 64KB
        • SHA256 2deb9f88ae2198356e3498f60392569ddebb345d9e95b7fa197cf1a1196ceed0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {357805B5-AF73-4b95-AE00-040492CA7949}.exe

        • Path C:\Windows\{357805B5-AF73-4b95-AE00-040492CA7949}.exe
        • Size 64KB
        • SHA256 9506201b286b0b5a91931612cee9368d05e14350b71f620219c755e694608249
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3FC1E14A-5924-4bc6-8A89-EAA39733290C}.exe

        • Path C:\Windows\{3FC1E14A-5924-4bc6-8A89-EAA39733290C}.exe
        • Size 64KB
        • SHA256 822a1394b8fdc84e067ff7d4ed736bab2af42302201821e9573cb2da349d54a1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {58AD79AE-624B-40bc-81AF-14342B64A07F}.exe

        • Path C:\Windows\{58AD79AE-624B-40bc-81AF-14342B64A07F}.exe
        • Size 64KB
        • SHA256 8d61d7e63b466f2833a9fe98d6a07dad0145afe377a7355b907a00eb33b86dfa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5FF2062C-DFB2-4631-8C0D-D43C5D3A7632}.exe

        • Path C:\Windows\{5FF2062C-DFB2-4631-8C0D-D43C5D3A7632}.exe
        • Size 64KB
        • SHA256 018b49a2d119a486ca334cf016a716f0ee468b33c0a7fc45db5458f2d6a50a71
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {936DEFA6-CDB4-4de3-9265-3C4F464F1ABC}.exe

        • Path C:\Windows\{936DEFA6-CDB4-4de3-9265-3C4F464F1ABC}.exe
        • Size 64KB
        • SHA256 cadf7dd61c3796747cd4bbf642e65964c022c5a5b3b02749d6fef1abad58cc9b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {BAB1C06F-1E65-4386-A7DA-738AF4F2E261}.exe

        • Path C:\Windows\{BAB1C06F-1E65-4386-A7DA-738AF4F2E261}.exe
        • Size 64KB
        • SHA256 92cdaee65d77c965baa0be2ca3aef3655185f0f9b2df8b5146191a7cf9bd9df0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {C2E5B35F-76A2-4484-8D1B-1A74FE9BE190}.exe

        • Path C:\Windows\{C2E5B35F-76A2-4484-8D1B-1A74FE9BE190}.exe
        • Size 64KB
        • SHA256 a5edb41fac74b8b630cea06bc32fbb94e34807c0b15f7c6b315f8fe5c8b7b639
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {EE12B03C-3B63-41ed-B9EE-BB163AF824D6}.exe

        • Path C:\Windows\{EE12B03C-3B63-41ed-B9EE-BB163AF824D6}.exe
        • Size 64KB
        • SHA256 475b73619cb30fbfb1fd1df862b1f9df4fe8aee33490c9e55025232ba15f1d66
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {EE199D78-937B-4bd3-BB03-2CFC60ED837D}.exe

        • Path C:\Windows\{EE199D78-937B-4bd3-BB03-2CFC60ED837D}.exe
        • Size 64KB
        • SHA256 db8d9abb6640878a981ca0d653dc9271c343560bf474b01340ed5371f7956507
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/788-11-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/788-5-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1352-49-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1352-56-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1896-33-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2192-27-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2288-62-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2516-22-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2984-61-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3828-18-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3828-12-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4216-50-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4216-44-0x0000000000400000-0x0000000000410000-memory.dmp

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

        memory/4632-42-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4632-39-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4960-7-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4960-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4960-0-0x0000000000400000-0x0000000000410000-memory.dmp