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
    26/10/2026, 12:35

General

  • Target
    2026-10-25_c8b07ab57fca0eb7fc8fc88504f01a35_elex_remcos_wannacry.exe
  • Size 60KB
  • Sample261026-psnb7aez7r
  • SHA256 a25b5a9b3b43a4ea608bf6299f5b9977532c8b6d7c26f5943bb78c26731e25a4
  • 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\2026-10-25_c8b07ab57fca0eb7fc8fc88504f01a35_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-25_c8b07ab57fca0eb7fc8fc88504f01a35_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:3536
    • C:\Windows\{D204543A-59EB-4873-80D0-45DA42145A3E}.exe
      C:\Windows\{D204543A-59EB-4873-80D0-45DA42145A3E}.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:2192
      • C:\Windows\{01AF4728-72D7-4882-BB17-4B80169BFDB8}.exe
        C:\Windows\{01AF4728-72D7-4882-BB17-4B80169BFDB8}.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:4216
        • C:\Windows\{CA0F8CF3-49B7-4dcf-8737-AFEB8AD9FE8B}.exe
          C:\Windows\{CA0F8CF3-49B7-4dcf-8737-AFEB8AD9FE8B}.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:6092
          • C:\Windows\{51E0E4F2-BE3E-4111-9E24-2256CECDE1AD}.exe
            C:\Windows\{51E0E4F2-BE3E-4111-9E24-2256CECDE1AD}.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:3532
            • C:\Windows\{3591CB71-7BEF-4bc2-A9C8-E19D133B0193}.exe
              C:\Windows\{3591CB71-7BEF-4bc2-A9C8-E19D133B0193}.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:1740
              • C:\Windows\{0DFDC92D-4AF1-4916-9FF2-98D8FA074850}.exe
                C:\Windows\{0DFDC92D-4AF1-4916-9FF2-98D8FA074850}.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:580
                • C:\Windows\{E88D99A5-9623-46c1-A5C5-AA9EB5C4B0AB}.exe
                  C:\Windows\{E88D99A5-9623-46c1-A5C5-AA9EB5C4B0AB}.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:4908
                  • C:\Windows\{900C39FB-F1D8-4a89-B300-0A386F7E29D1}.exe
                    C:\Windows\{900C39FB-F1D8-4a89-B300-0A386F7E29D1}.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:3488
                    • C:\Windows\{0E7ADA6B-2567-4fbe-98EF-4536A00EF9B9}.exe
                      C:\Windows\{0E7ADA6B-2567-4fbe-98EF-4536A00EF9B9}.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:3496
                      • C:\Windows\{7790A54A-18CD-4e82-85EA-F58BA967A492}.exe
                        C:\Windows\{7790A54A-18CD-4e82-85EA-F58BA967A492}.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:1992
                        • C:\Windows\{0A98DD0B-895F-45e7-8E02-4A05D1D9C8AD}.exe
                          C:\Windows\{0A98DD0B-895F-45e7-8E02-4A05D1D9C8AD}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:6000
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{7790A~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:1632
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{0E7AD~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:2824
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{900C3~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:2700
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{E88D9~1.EXE > nul
                    9⤵
                    • 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\{0DFDC~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:2444
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{3591C~1.EXE > nul
                7⤵
                • 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\{51E0E~1.EXE > nul
              6⤵
              • 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\{CA0F8~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:5412
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{01AF4~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:5420
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{D2045~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:1496
    • 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:4832

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {01AF4728-72D7-4882-BB17-4B80169BFDB8}.exe

        • Path C:\Windows\{01AF4728-72D7-4882-BB17-4B80169BFDB8}.exe
        • Size 60KB
        • SHA256 f0f3d96557745eddfe5c4d457cc7f92b450e0fad0f23ea2d9814eb68f0845e21
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {0A98DD0B-895F-45e7-8E02-4A05D1D9C8AD}.exe

        • Path C:\Windows\{0A98DD0B-895F-45e7-8E02-4A05D1D9C8AD}.exe
        • Size 60KB
        • SHA256 5abfc9088ecad7208809529df0e01f081a0c20a1c5cc8b83b6147845aa793308
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {0DFDC92D-4AF1-4916-9FF2-98D8FA074850}.exe

        • Path C:\Windows\{0DFDC92D-4AF1-4916-9FF2-98D8FA074850}.exe
        • Size 60KB
        • SHA256 c28ce5cbc9bca888dc576238604a594dbfa881ff78d54b3a89df4f4658e8d82c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {0E7ADA6B-2567-4fbe-98EF-4536A00EF9B9}.exe

        • Path C:\Windows\{0E7ADA6B-2567-4fbe-98EF-4536A00EF9B9}.exe
        • Size 60KB
        • SHA256 76c7897e3a11a21ffc280d0b2810f509d3ad0e76e74747b0e2fd60fdbdb774c1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3591CB71-7BEF-4bc2-A9C8-E19D133B0193}.exe

        • Path C:\Windows\{3591CB71-7BEF-4bc2-A9C8-E19D133B0193}.exe
        • Size 60KB
        • SHA256 e5b6f65c920f856d07874d945b9daac7af4241176cdf31efce47d2f7e93ab9cd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {51E0E4F2-BE3E-4111-9E24-2256CECDE1AD}.exe

        • Path C:\Windows\{51E0E4F2-BE3E-4111-9E24-2256CECDE1AD}.exe
        • Size 60KB
        • SHA256 15e3563b70ac70aef2ee301c73ae113aedc46ce352a37940535cbd28625f73e1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {7790A54A-18CD-4e82-85EA-F58BA967A492}.exe

        • Path C:\Windows\{7790A54A-18CD-4e82-85EA-F58BA967A492}.exe
        • Size 60KB
        • SHA256 8b6efa58192bac4efcad87226bd4fcaf819baf7e3f7146225c5a3bff12b7d905
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {900C39FB-F1D8-4a89-B300-0A386F7E29D1}.exe

        • Path C:\Windows\{900C39FB-F1D8-4a89-B300-0A386F7E29D1}.exe
        • Size 60KB
        • SHA256 0766b8a89ca9bb9246957bb9c8dba96e0efb4fd14f5c5b156fb954c8b6caae67
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CA0F8CF3-49B7-4dcf-8737-AFEB8AD9FE8B}.exe

        • Path C:\Windows\{CA0F8CF3-49B7-4dcf-8737-AFEB8AD9FE8B}.exe
        • Size 60KB
        • SHA256 f2edebea425960fddb76a5ad26e0e478ad4b4d5f69baed5bf32448b259f61b13
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D204543A-59EB-4873-80D0-45DA42145A3E}.exe

        • Path C:\Windows\{D204543A-59EB-4873-80D0-45DA42145A3E}.exe
        • Size 60KB
        • SHA256 2f109f07b666afe8adac5a8002fd80d357e8950481ccd1b31ae4b586d6883157
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E88D99A5-9623-46c1-A5C5-AA9EB5C4B0AB}.exe

        • Path C:\Windows\{E88D99A5-9623-46c1-A5C5-AA9EB5C4B0AB}.exe
        • Size 60KB
        • SHA256 b506fb2e6d782ed490fcd29444d473a13959aee2c75907813617907d25049c8e
        • MD5 SHA1 SHA512 SSDEEP TLSH