Analysis

  • max time kernel
    148s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    21/08/2026, 22:02

General

  • Target
    2026-08-21_f7121ef843290dd1de64ec957231df31_elex_remcos_wannacry.exe
  • Size 60KB
  • Sample260821-1yah3ayaka
  • SHA256 3b540113d7c92306913924ff4fca4612ac956269545bdc7c9418dcc6c9362949
  • 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\2026-08-21_f7121ef843290dd1de64ec957231df31_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-21_f7121ef843290dd1de64ec957231df31_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:4644
    • C:\Windows\{BF02B8CA-7C0B-405f-9A0F-3F566B72BB2F}.exe
      C:\Windows\{BF02B8CA-7C0B-405f-9A0F-3F566B72BB2F}.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:4688
      • C:\Windows\{952F7E3E-577A-4094-940E-5911810EC537}.exe
        C:\Windows\{952F7E3E-577A-4094-940E-5911810EC537}.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:4132
        • C:\Windows\{A1F8D8F9-3D6D-4cb0-B72F-C3FF574C37C9}.exe
          C:\Windows\{A1F8D8F9-3D6D-4cb0-B72F-C3FF574C37C9}.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:5116
          • C:\Windows\{62B1B81D-F848-47a6-B1B1-3FC506FD3D11}.exe
            C:\Windows\{62B1B81D-F848-47a6-B1B1-3FC506FD3D11}.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:4952
            • C:\Windows\{46125BD6-C684-49c1-BCC9-E2BD8D1D3CAE}.exe
              C:\Windows\{46125BD6-C684-49c1-BCC9-E2BD8D1D3CAE}.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:6044
              • C:\Windows\{8BC672E1-6CD7-431b-856B-AEC96F6DA766}.exe
                C:\Windows\{8BC672E1-6CD7-431b-856B-AEC96F6DA766}.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:2104
                • C:\Windows\{44F48432-C69B-4476-BBBB-B1E19EA9233A}.exe
                  C:\Windows\{44F48432-C69B-4476-BBBB-B1E19EA9233A}.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:1996
                  • C:\Windows\{2E9ECF1D-5D81-4914-9A4C-6B85189D738D}.exe
                    C:\Windows\{2E9ECF1D-5D81-4914-9A4C-6B85189D738D}.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:1176
                    • C:\Windows\{DC696189-2F93-4a99-A457-DDC558D211D7}.exe
                      C:\Windows\{DC696189-2F93-4a99-A457-DDC558D211D7}.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:2016
                      • C:\Windows\{67D05659-4C3F-4c9a-8B92-12B2F8CD8306}.exe
                        C:\Windows\{67D05659-4C3F-4c9a-8B92-12B2F8CD8306}.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:4232
                        • C:\Windows\{876F2E24-CA2A-4800-BAF5-621FA8E1F506}.exe
                          C:\Windows\{876F2E24-CA2A-4800-BAF5-621FA8E1F506}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:5440
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{67D05~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:1984
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{DC696~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:896
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{2E9EC~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:4652
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{44F48~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:2164
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{8BC67~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:2856
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{46125~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:5824
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{62B1B~1.EXE > nul
              6⤵
              • 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\{A1F8D~1.EXE > nul
            5⤵
            • 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\{952F7~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:4860
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{BF02B~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:620
    • 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:3316

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        {2E9ECF1D-5D81-4914-9A4C-6B85189D738D}.exe

        • Path C:\Windows\{2E9ECF1D-5D81-4914-9A4C-6B85189D738D}.exe
        • Size 60KB
        • SHA256 281da7a4b04749229803193a3c090871b15d48b60a48e3309e69501883dc6381
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {44F48432-C69B-4476-BBBB-B1E19EA9233A}.exe

        • Path C:\Windows\{44F48432-C69B-4476-BBBB-B1E19EA9233A}.exe
        • Size 60KB
        • SHA256 75a160ce5dfa4acd913dcb8fda8a72de48cd33e3ea23a8feb9fd5903a1aa958a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {46125BD6-C684-49c1-BCC9-E2BD8D1D3CAE}.exe

        • Path C:\Windows\{46125BD6-C684-49c1-BCC9-E2BD8D1D3CAE}.exe
        • Size 60KB
        • SHA256 80dde82d8774f75e6081db23838d89f1beecf3ff14e3604474f6fe159dade281
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {62B1B81D-F848-47a6-B1B1-3FC506FD3D11}.exe

        • Path C:\Windows\{62B1B81D-F848-47a6-B1B1-3FC506FD3D11}.exe
        • Size 60KB
        • SHA256 7c12b6669e9e56e19ebcd0240592d26affd7bd5494496f817c6b824c7b6b6a54
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {67D05659-4C3F-4c9a-8B92-12B2F8CD8306}.exe

        • Path C:\Windows\{67D05659-4C3F-4c9a-8B92-12B2F8CD8306}.exe
        • Size 60KB
        • SHA256 57b3fa1bd397146281c59e90c94184bdafdd2dc77afae8891554d3038046c311
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {876F2E24-CA2A-4800-BAF5-621FA8E1F506}.exe

        • Path C:\Windows\{876F2E24-CA2A-4800-BAF5-621FA8E1F506}.exe
        • Size 60KB
        • SHA256 4839e14799c0801631035ac38b3facdd828097e2455339dc87226a6b4b9db5f2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8BC672E1-6CD7-431b-856B-AEC96F6DA766}.exe

        • Path C:\Windows\{8BC672E1-6CD7-431b-856B-AEC96F6DA766}.exe
        • Size 60KB
        • SHA256 ad9eb49e1d731fbf7a43bec293573a9a96b2c0e889f2fec5d6f2c1e3db91b5d7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {952F7E3E-577A-4094-940E-5911810EC537}.exe

        • Path C:\Windows\{952F7E3E-577A-4094-940E-5911810EC537}.exe
        • Size 60KB
        • SHA256 83c4c870c05ad930e6bd3288f20d609bf13e420133929fe5fca0e3176564dbb2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A1F8D8F9-3D6D-4cb0-B72F-C3FF574C37C9}.exe

        • Path C:\Windows\{A1F8D8F9-3D6D-4cb0-B72F-C3FF574C37C9}.exe
        • Size 60KB
        • SHA256 2477cef5eb20bf723668a1b7920af76dc4f6b6df12c869399eeced413e83b95d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {BF02B8CA-7C0B-405f-9A0F-3F566B72BB2F}.exe

        • Path C:\Windows\{BF02B8CA-7C0B-405f-9A0F-3F566B72BB2F}.exe
        • Size 60KB
        • SHA256 25e7e2da3aa55db6b994f1413cd6bf0392b4222a4a2157bbc4b7385c1c1268a8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {DC696189-2F93-4a99-A457-DDC558D211D7}.exe

        • Path C:\Windows\{DC696189-2F93-4a99-A457-DDC558D211D7}.exe
        • Size 60KB
        • SHA256 32c47809588182282639d77e90ddd8c84ce47e18f05d71f4622462d94e3a7ea0
        • MD5 SHA1 SHA512 SSDEEP TLSH