Analysis

  • max time kernel
    148s
  • max time network
    124s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/10/2026, 22:39

General

  • Target
    2026-10-28_9d1fefc478e6186c03e086d7378b3e9b_elex_remcos_wannacry.exe
  • Size 79KB
  • Sample261029-2k5bystvcs
  • SHA256 64b9217a7cec9e00a78fd6d938784c38cd05fa262db31df5e393f764b59e9aeb
  • 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\2026-10-28_9d1fefc478e6186c03e086d7378b3e9b_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-28_9d1fefc478e6186c03e086d7378b3e9b_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:1492
    • C:\Windows\{591F4DD3-6853-4b71-AFC6-D52B14D8794A}.exe
      C:\Windows\{591F4DD3-6853-4b71-AFC6-D52B14D8794A}.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:2440
      • C:\Windows\{D0BB672E-5EBD-4144-8015-1EA5E12F30F7}.exe
        C:\Windows\{D0BB672E-5EBD-4144-8015-1EA5E12F30F7}.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:3724
        • C:\Windows\{5C037991-A080-4b7e-89FD-4880386F5BE9}.exe
          C:\Windows\{5C037991-A080-4b7e-89FD-4880386F5BE9}.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:6048
          • C:\Windows\{5FCF148F-7475-45b5-942E-B5B9EB4F5C5E}.exe
            C:\Windows\{5FCF148F-7475-45b5-942E-B5B9EB4F5C5E}.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:5432
            • C:\Windows\{B4CE0F3B-E703-4854-A848-FD3C304100C4}.exe
              C:\Windows\{B4CE0F3B-E703-4854-A848-FD3C304100C4}.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:5032
              • C:\Windows\{1D0B5BCD-542B-443b-8B38-EA9CC25F3D92}.exe
                C:\Windows\{1D0B5BCD-542B-443b-8B38-EA9CC25F3D92}.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:3760
                • C:\Windows\{1138D4C1-6259-47ed-B581-14B6A4EE4D58}.exe
                  C:\Windows\{1138D4C1-6259-47ed-B581-14B6A4EE4D58}.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:5172
                  • C:\Windows\{2352608B-7759-49c6-98F2-E2E51FDF4161}.exe
                    C:\Windows\{2352608B-7759-49c6-98F2-E2E51FDF4161}.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:3444
                    • C:\Windows\{4506220C-F695-4d8f-AF92-C2A32F1CFC42}.exe
                      C:\Windows\{4506220C-F695-4d8f-AF92-C2A32F1CFC42}.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:5660
                      • C:\Windows\{B697D904-B0D8-4e73-9697-EA48FA37CCA8}.exe
                        C:\Windows\{B697D904-B0D8-4e73-9697-EA48FA37CCA8}.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:5492
                        • C:\Windows\{50488877-78B4-4c9a-9064-143EB0A460B9}.exe
                          C:\Windows\{50488877-78B4-4c9a-9064-143EB0A460B9}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:1600
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{B697D~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:2968
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{45062~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:3120
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{23526~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:4392
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{1138D~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:5908
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{1D0B5~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:4896
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{B4CE0~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:4724
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{5FCF1~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:4924
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{5C037~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:408
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{D0BB6~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:2516
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{591F4~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:4160
    • 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:2748

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        {1138D4C1-6259-47ed-B581-14B6A4EE4D58}.exe

        • Path C:\Windows\{1138D4C1-6259-47ed-B581-14B6A4EE4D58}.exe
        • Size 79KB
        • SHA256 638361a1f01ff65c14c7e5faab5ccff0c228897fa4098a182b270fa38b87d963
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {1D0B5BCD-542B-443b-8B38-EA9CC25F3D92}.exe

        • Path C:\Windows\{1D0B5BCD-542B-443b-8B38-EA9CC25F3D92}.exe
        • Size 79KB
        • SHA256 98d2d218af6e60f4f45daf436f3f0368b2888d66a62fdf2c6782689f0c752dd1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {2352608B-7759-49c6-98F2-E2E51FDF4161}.exe

        • Path C:\Windows\{2352608B-7759-49c6-98F2-E2E51FDF4161}.exe
        • Size 79KB
        • SHA256 29eee48d7da1e36c5e34216d7fea52047d114efc37ca712f69c4310858976eed
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {4506220C-F695-4d8f-AF92-C2A32F1CFC42}.exe

        • Path C:\Windows\{4506220C-F695-4d8f-AF92-C2A32F1CFC42}.exe
        • Size 79KB
        • SHA256 79a4ee34b1458c607b0d96c025dbc8cac4193a95c4f6da2e72d0fb9697657be7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {50488877-78B4-4c9a-9064-143EB0A460B9}.exe

        • Path C:\Windows\{50488877-78B4-4c9a-9064-143EB0A460B9}.exe
        • Size 79KB
        • SHA256 254146e636a0465b2a640529c53b5649a1621ff15ed15371d0c0f95f2fc6a57e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {591F4DD3-6853-4b71-AFC6-D52B14D8794A}.exe

        • Path C:\Windows\{591F4DD3-6853-4b71-AFC6-D52B14D8794A}.exe
        • Size 79KB
        • SHA256 adc6b9c4e679f6d3cad05f394e88deeb7a159bab3eba63e9dd184760271921e6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5C037991-A080-4b7e-89FD-4880386F5BE9}.exe

        • Path C:\Windows\{5C037991-A080-4b7e-89FD-4880386F5BE9}.exe
        • Size 79KB
        • SHA256 0e6c56a5deef21090365ecc79492b0579ce61d51b59ab937b9c9329e84963a53
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5FCF148F-7475-45b5-942E-B5B9EB4F5C5E}.exe

        • Path C:\Windows\{5FCF148F-7475-45b5-942E-B5B9EB4F5C5E}.exe
        • Size 79KB
        • SHA256 a30777fe4e8cacb6cbac8d94961f9bfc9dbe2452f2f42a958d028fff3bb7e32c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {B4CE0F3B-E703-4854-A848-FD3C304100C4}.exe

        • Path C:\Windows\{B4CE0F3B-E703-4854-A848-FD3C304100C4}.exe
        • Size 79KB
        • SHA256 f485d99da815c195a3a1c7d97feec64018166e21d9b3c942087e05228f3e5831
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {B697D904-B0D8-4e73-9697-EA48FA37CCA8}.exe

        • Path C:\Windows\{B697D904-B0D8-4e73-9697-EA48FA37CCA8}.exe
        • Size 79KB
        • SHA256 adad0f1f61a6f1cad9c6667d151c1da9b98c2a42b8d5b115dd3c0c6f7d7c1bf6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D0BB672E-5EBD-4144-8015-1EA5E12F30F7}.exe

        • Path C:\Windows\{D0BB672E-5EBD-4144-8015-1EA5E12F30F7}.exe
        • Size 79KB
        • SHA256 be455a432139ff1dead43d882f931a347026d577c5a884811db1e6d88db42a69
        • MD5 SHA1 SHA512 SSDEEP TLSH