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, 00:01

General

  • Target
    2026-10-22_fdecd726876e1ccc6d0ed893ca0dbeba_elex_remcos_wannacry.exe
  • Size 60KB
  • Sample261023-abc3kagt91
  • SHA256 2c36e81815e755ff1107721604c34c34a45580ac1f3706238fd8dfa2c2a8af7a
  • 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
  • Custom signature
    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\2026-10-22_fdecd726876e1ccc6d0ed893ca0dbeba_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-22_fdecd726876e1ccc6d0ed893ca0dbeba_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:2404
    • C:\Windows\{2B8EE6BD-B5C7-43d8-BD60-2816994B50A2}.exe
      C:\Windows\{2B8EE6BD-B5C7-43d8-BD60-2816994B50A2}.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:3184
      • C:\Windows\{FE2FE7FB-4B38-46e2-8FF6-6F7B88E8D6F2}.exe
        C:\Windows\{FE2FE7FB-4B38-46e2-8FF6-6F7B88E8D6F2}.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:4068
        • C:\Windows\{E809DA24-9FD3-4567-AF63-A7E042FE603E}.exe
          C:\Windows\{E809DA24-9FD3-4567-AF63-A7E042FE603E}.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:1812
          • C:\Windows\{DA448DFB-83DE-4a5c-84E9-E5DD3402F700}.exe
            C:\Windows\{DA448DFB-83DE-4a5c-84E9-E5DD3402F700}.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:2776
            • C:\Windows\{B403AE77-65D7-42d9-B673-6BDAD327C620}.exe
              C:\Windows\{B403AE77-65D7-42d9-B673-6BDAD327C620}.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:2104
              • C:\Windows\{E9A39E40-16A2-4da3-A72D-9985A8B6BB0B}.exe
                C:\Windows\{E9A39E40-16A2-4da3-A72D-9985A8B6BB0B}.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:4312
                • C:\Windows\{94281FD1-6DA0-4dfc-9CFA-67FDE992ADD2}.exe
                  C:\Windows\{94281FD1-6DA0-4dfc-9CFA-67FDE992ADD2}.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:3232
                  • C:\Windows\{FEC1E0FD-F55D-4f0c-AD10-7268F57C23CE}.exe
                    C:\Windows\{FEC1E0FD-F55D-4f0c-AD10-7268F57C23CE}.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:5620
                    • C:\Windows\{D43A8331-6A1B-47cd-BBC6-4915CE3B6E47}.exe
                      C:\Windows\{D43A8331-6A1B-47cd-BBC6-4915CE3B6E47}.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:1368
                      • C:\Windows\{F6594090-A4B1-4b86-90C1-62357D7626AB}.exe
                        C:\Windows\{F6594090-A4B1-4b86-90C1-62357D7626AB}.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:2532
                        • C:\Windows\{5FA4952B-01BC-43a2-94CE-16A358316B2B}.exe
                          C:\Windows\{5FA4952B-01BC-43a2-94CE-16A358316B2B}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:3876
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{F6594~1.EXE > nul
                          12⤵
                          • 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\{D43A8~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:5888
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{FEC1E~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:2624
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{94281~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:6012
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{E9A39~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:3588
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{B403A~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:588
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{DA448~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:3268
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{E809D~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:1372
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{FE2FE~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:1392
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{2B8EE~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:5068
    • 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:2112

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {2B8EE6BD-B5C7-43d8-BD60-2816994B50A2}.exe

        • Path C:\Windows\{2B8EE6BD-B5C7-43d8-BD60-2816994B50A2}.exe
        • Size 60KB
        • SHA256 83527b32417f4bc67e785fa0a6f7c5ee760d622d61579b2c629974f737c0d50a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5FA4952B-01BC-43a2-94CE-16A358316B2B}.exe

        • Path C:\Windows\{5FA4952B-01BC-43a2-94CE-16A358316B2B}.exe
        • Size 60KB
        • SHA256 11ea561af9d88f36cb5a302848c79a425f4ab316d9cd2094158515f2624a96fc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {94281FD1-6DA0-4dfc-9CFA-67FDE992ADD2}.exe

        • Path C:\Windows\{94281FD1-6DA0-4dfc-9CFA-67FDE992ADD2}.exe
        • Size 60KB
        • SHA256 2ad8ed161f5112c397a389709628fb2fb4801ba40bbea659edb3c5cf342a262d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {B403AE77-65D7-42d9-B673-6BDAD327C620}.exe

        • Path C:\Windows\{B403AE77-65D7-42d9-B673-6BDAD327C620}.exe
        • Size 60KB
        • SHA256 866315ef396042e68dfdf2ac8f2dd80e214b930a061719f026da7404fcbcee52
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D43A8331-6A1B-47cd-BBC6-4915CE3B6E47}.exe

        • Path C:\Windows\{D43A8331-6A1B-47cd-BBC6-4915CE3B6E47}.exe
        • Size 60KB
        • SHA256 230f55b217569a15204707adad5d1d236f2b166c6d05979f19f504961eebfe77
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {DA448DFB-83DE-4a5c-84E9-E5DD3402F700}.exe

        • Path C:\Windows\{DA448DFB-83DE-4a5c-84E9-E5DD3402F700}.exe
        • Size 60KB
        • SHA256 d284de2f6606343eeeb62fc3741d71e8c741644152bdbcdd2923a59a02cdf308
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E809DA24-9FD3-4567-AF63-A7E042FE603E}.exe

        • Path C:\Windows\{E809DA24-9FD3-4567-AF63-A7E042FE603E}.exe
        • Size 60KB
        • SHA256 11b3925da0afa9fae32eecc60daf420cba8366ee8936f493faf337eb71e8e1c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E9A39E40-16A2-4da3-A72D-9985A8B6BB0B}.exe

        • Path C:\Windows\{E9A39E40-16A2-4da3-A72D-9985A8B6BB0B}.exe
        • Size 60KB
        • SHA256 51e3175465f856a06ef7ae1ea7ecd8edfcc0bb9b9ba6f3de949166d19903b947
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F6594090-A4B1-4b86-90C1-62357D7626AB}.exe

        • Path C:\Windows\{F6594090-A4B1-4b86-90C1-62357D7626AB}.exe
        • Size 60KB
        • SHA256 6ce1b4acc7f3269690ca1186c854b1924c01cfd171593c87ce406c628cf65e2f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {FE2FE7FB-4B38-46e2-8FF6-6F7B88E8D6F2}.exe

        • Path C:\Windows\{FE2FE7FB-4B38-46e2-8FF6-6F7B88E8D6F2}.exe
        • Size 60KB
        • SHA256 c6ab325bc3cc4c475671188cc5bf74b3cb7818c9ad17b72809d716132975b66b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {FEC1E0FD-F55D-4f0c-AD10-7268F57C23CE}.exe

        • Path C:\Windows\{FEC1E0FD-F55D-4f0c-AD10-7268F57C23CE}.exe
        • Size 60KB
        • SHA256 95abac6a6b389a74d95bb92c3f8dc91b5c92562b008f19d73a0ee3dc2753d5e8
        • MD5 SHA1 SHA512 SSDEEP TLSH