Analysis

  • max time kernel
    148s
  • max time network
    132s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/08/2026, 23:41

General

  • Target
    2026-08-17_f9a7878cb6df8949f408a6e87dfbe611_elex_remcos_wannacry.exe
  • Size 59KB
  • Sample260817-3psdmasthw
  • SHA256 83b41668405a28bdab51507e1d14795c69200d21dd4de2fa1708180d99e99c41
  • 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\2026-08-17_f9a7878cb6df8949f408a6e87dfbe611_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-17_f9a7878cb6df8949f408a6e87dfbe611_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:5576
    • C:\Windows\{CA09C540-6999-4879-9A83-0F2F55ACF615}.exe
      C:\Windows\{CA09C540-6999-4879-9A83-0F2F55ACF615}.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:5680
      • C:\Windows\{5C339A91-000E-4f06-AC5A-8444D9F446D8}.exe
        C:\Windows\{5C339A91-000E-4f06-AC5A-8444D9F446D8}.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:4564
        • C:\Windows\{39738F21-EA5D-41b8-B403-DB887272D428}.exe
          C:\Windows\{39738F21-EA5D-41b8-B403-DB887272D428}.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:3496
          • C:\Windows\{4EAD220C-63ED-425d-B50D-45FF70D6C3DA}.exe
            C:\Windows\{4EAD220C-63ED-425d-B50D-45FF70D6C3DA}.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:2544
            • C:\Windows\{FFAA598F-C12D-4115-B400-A1B379F9A997}.exe
              C:\Windows\{FFAA598F-C12D-4115-B400-A1B379F9A997}.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:2128
              • C:\Windows\{2C9D6CF4-B500-4f13-92D7-8B373B0454E1}.exe
                C:\Windows\{2C9D6CF4-B500-4f13-92D7-8B373B0454E1}.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:5980
                • C:\Windows\{E66BE8D9-6A88-403d-B21D-D565FB729541}.exe
                  C:\Windows\{E66BE8D9-6A88-403d-B21D-D565FB729541}.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:1968
                  • C:\Windows\{B4361FFC-2450-42b6-BCB2-F607744B3693}.exe
                    C:\Windows\{B4361FFC-2450-42b6-BCB2-F607744B3693}.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:5556
                    • C:\Windows\{77B7D568-84CC-4ef2-8FF5-4A7D8C160337}.exe
                      C:\Windows\{77B7D568-84CC-4ef2-8FF5-4A7D8C160337}.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:4452
                      • C:\Windows\{397FE356-AB52-417f-9C62-2A1B3D3A5B36}.exe
                        C:\Windows\{397FE356-AB52-417f-9C62-2A1B3D3A5B36}.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:5480
                        • C:\Windows\{3639513E-059C-49f9-8B5D-1BDCADC22EA2}.exe
                          C:\Windows\{3639513E-059C-49f9-8B5D-1BDCADC22EA2}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:1524
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{397FE~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:5632
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{77B7D~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:2604
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{B4361~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:6024
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{E66BE~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:1792
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{2C9D6~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:3656
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{FFAA5~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:3888
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{4EAD2~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:828
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{39738~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:4708
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{5C339~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:5560
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{CA09C~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:1640
    • 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:4604

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {2C9D6CF4-B500-4f13-92D7-8B373B0454E1}.exe

        • Path C:\Windows\{2C9D6CF4-B500-4f13-92D7-8B373B0454E1}.exe
        • Size 59KB
        • SHA256 53231c39aea3426d7e9b250f8ab5e0cec259e94d5739332aa9f296fda084129f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3639513E-059C-49f9-8B5D-1BDCADC22EA2}.exe

        • Path C:\Windows\{3639513E-059C-49f9-8B5D-1BDCADC22EA2}.exe
        • Size 59KB
        • SHA256 bf2de437591755efc508243adb094c001c20168515af3e3c3e8873cf3a4a793e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {39738F21-EA5D-41b8-B403-DB887272D428}.exe

        • Path C:\Windows\{39738F21-EA5D-41b8-B403-DB887272D428}.exe
        • Size 59KB
        • SHA256 2b744c9ffa04b7723183a3d44674550e48ce0542f88391f2a72dae1a046060b1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {397FE356-AB52-417f-9C62-2A1B3D3A5B36}.exe

        • Path C:\Windows\{397FE356-AB52-417f-9C62-2A1B3D3A5B36}.exe
        • Size 59KB
        • SHA256 68251e06a7ca0071c5053823a6966b8b868fd2698998025a2992947281ad27bd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {4EAD220C-63ED-425d-B50D-45FF70D6C3DA}.exe

        • Path C:\Windows\{4EAD220C-63ED-425d-B50D-45FF70D6C3DA}.exe
        • Size 59KB
        • SHA256 57d6bbad1f4eb794b5774d2f730140c439181cda9f5bf06acf3ca78b61dedcfd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5C339A91-000E-4f06-AC5A-8444D9F446D8}.exe

        • Path C:\Windows\{5C339A91-000E-4f06-AC5A-8444D9F446D8}.exe
        • Size 59KB
        • SHA256 ea350d32e6c576abac5236037585519087430f392e450d00722c9f96de9ffa2c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {77B7D568-84CC-4ef2-8FF5-4A7D8C160337}.exe

        • Path C:\Windows\{77B7D568-84CC-4ef2-8FF5-4A7D8C160337}.exe
        • Size 59KB
        • SHA256 28e240bf1c3607fa86292888ece8d20301919e884aee8b5d29bf98298a67803e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {B4361FFC-2450-42b6-BCB2-F607744B3693}.exe

        • Path C:\Windows\{B4361FFC-2450-42b6-BCB2-F607744B3693}.exe
        • Size 59KB
        • SHA256 eafe997cc8b7d0f0dffa2c1a0f2d6767e865fc55284f14dcf2a5ad16933e58e4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CA09C540-6999-4879-9A83-0F2F55ACF615}.exe

        • Path C:\Windows\{CA09C540-6999-4879-9A83-0F2F55ACF615}.exe
        • Size 59KB
        • SHA256 051464a145d1071dbef61e0e24a48fdef5bdb84735c52dcc2857ebf494407f9b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E66BE8D9-6A88-403d-B21D-D565FB729541}.exe

        • Path C:\Windows\{E66BE8D9-6A88-403d-B21D-D565FB729541}.exe
        • Size 59KB
        • SHA256 4fe5bea82e60027d2fcca9d6f80e5079304411288c0bcea7a7e0acd6d37a4341
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {FFAA598F-C12D-4115-B400-A1B379F9A997}.exe

        • Path C:\Windows\{FFAA598F-C12D-4115-B400-A1B379F9A997}.exe
        • Size 59KB
        • SHA256 fc21ae6f7eddbfe501be2cb6813f2a785d46457a552def0ed5bbe013f9e7175a
        • MD5 SHA1 SHA512 SSDEEP TLSH