Analysis

  • max time kernel
    148s
  • max time network
    112s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    17/10/2026, 02:04

General

  • Target
    2026-10-16_f847d3375ce41d40c332d73a657add77_elex_remcos_wannacry.exe
  • Size 60KB
  • Sample261017-chk3vszz5k
  • SHA256 99e5fa21669ae641c11929272a7cf99e5c5e358dc67832c57aa939ecfa2019fe
  • 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\2026-10-16_f847d3375ce41d40c332d73a657add77_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-16_f847d3375ce41d40c332d73a657add77_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:236
    • C:\Windows\{A2337D6B-327A-455c-8B04-AD7A5C6C3EDD}.exe
      C:\Windows\{A2337D6B-327A-455c-8B04-AD7A5C6C3EDD}.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:4048
      • C:\Windows\{1E5510B6-ADAD-43c6-B926-D8E475C17A4F}.exe
        C:\Windows\{1E5510B6-ADAD-43c6-B926-D8E475C17A4F}.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:4568
        • C:\Windows\{DED9BEE7-3FA7-412e-BFE8-5422B1DB83EE}.exe
          C:\Windows\{DED9BEE7-3FA7-412e-BFE8-5422B1DB83EE}.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:5376
          • C:\Windows\{C5F66134-470B-4cc9-82AE-6B98D938247D}.exe
            C:\Windows\{C5F66134-470B-4cc9-82AE-6B98D938247D}.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:2412
            • C:\Windows\{33488A62-91E9-45d8-816D-B224C530F786}.exe
              C:\Windows\{33488A62-91E9-45d8-816D-B224C530F786}.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:2832
              • C:\Windows\{D93C5473-A14D-4164-BF3C-BFB3B12B7AED}.exe
                C:\Windows\{D93C5473-A14D-4164-BF3C-BFB3B12B7AED}.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:3172
                • C:\Windows\{C3C3D635-5053-4560-B681-DA3F068BF2F6}.exe
                  C:\Windows\{C3C3D635-5053-4560-B681-DA3F068BF2F6}.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:1060
                  • C:\Windows\{62787FED-C99A-42f2-917F-D4E41BBC0613}.exe
                    C:\Windows\{62787FED-C99A-42f2-917F-D4E41BBC0613}.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:4144
                    • C:\Windows\{CA95EFA6-9775-40a2-AEEA-3853F6C40455}.exe
                      C:\Windows\{CA95EFA6-9775-40a2-AEEA-3853F6C40455}.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:2780
                      • C:\Windows\{5DC90BAD-93FC-48c1-ABF0-C2F02FE52FAC}.exe
                        C:\Windows\{5DC90BAD-93FC-48c1-ABF0-C2F02FE52FAC}.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:5828
                        • C:\Windows\{4DB9EE46-DA79-46f1-A015-0924113872BB}.exe
                          C:\Windows\{4DB9EE46-DA79-46f1-A015-0924113872BB}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:2704
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{5DC90~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:3424
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{CA95E~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:948
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{62787~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:3496
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{C3C3D~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:2672
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{D93C5~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:5056
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{33488~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:2644
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{C5F66~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:5320
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{DED9B~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:2880
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{1E551~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:2572
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{A2337~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:2272
    • 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:1676

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {1E5510B6-ADAD-43c6-B926-D8E475C17A4F}.exe

        • Path C:\Windows\{1E5510B6-ADAD-43c6-B926-D8E475C17A4F}.exe
        • Size 60KB
        • SHA256 86a12e385d95715412d7896317104e950b35c0d30bcac1e727f7b0c7273f0fd4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {33488A62-91E9-45d8-816D-B224C530F786}.exe

        • Path C:\Windows\{33488A62-91E9-45d8-816D-B224C530F786}.exe
        • Size 60KB
        • SHA256 d1753e9abd0f0fe8ff97c141e5a93038296a5ea970574e5f5087eae65ca3c1f5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {4DB9EE46-DA79-46f1-A015-0924113872BB}.exe

        • Path C:\Windows\{4DB9EE46-DA79-46f1-A015-0924113872BB}.exe
        • Size 60KB
        • SHA256 18ebb8b90f627c9bc7166afeaf32f8101ba16ff837725883f70b7620e7b13556
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5DC90BAD-93FC-48c1-ABF0-C2F02FE52FAC}.exe

        • Path C:\Windows\{5DC90BAD-93FC-48c1-ABF0-C2F02FE52FAC}.exe
        • Size 60KB
        • SHA256 24596ffb0c580f81d5ad094a24aafc832b277871643addf79a321ced3540b802
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {62787FED-C99A-42f2-917F-D4E41BBC0613}.exe

        • Path C:\Windows\{62787FED-C99A-42f2-917F-D4E41BBC0613}.exe
        • Size 60KB
        • SHA256 8d88e1b99ad3307abb3fc7784fca0497c836356e178b4406f6d27086d2c0b1c2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A2337D6B-327A-455c-8B04-AD7A5C6C3EDD}.exe

        • Path C:\Windows\{A2337D6B-327A-455c-8B04-AD7A5C6C3EDD}.exe
        • Size 60KB
        • SHA256 f30ff054eeab47941e02835fc2e486fa3d61dfc0c8ac26463278c9a8f9d85af2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {C3C3D635-5053-4560-B681-DA3F068BF2F6}.exe

        • Path C:\Windows\{C3C3D635-5053-4560-B681-DA3F068BF2F6}.exe
        • Size 60KB
        • SHA256 9230516a8ad72ede4324b72bdccf5e866a3185ae3a4e561ddd9569d9e1b5e3e2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {C5F66134-470B-4cc9-82AE-6B98D938247D}.exe

        • Path C:\Windows\{C5F66134-470B-4cc9-82AE-6B98D938247D}.exe
        • Size 60KB
        • SHA256 0a8b849b8b4c872126be0d74a5e20abd87cdf72727e312420bd60d0529ec67c0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CA95EFA6-9775-40a2-AEEA-3853F6C40455}.exe

        • Path C:\Windows\{CA95EFA6-9775-40a2-AEEA-3853F6C40455}.exe
        • Size 60KB
        • SHA256 334c11750cdc0202259b5681dcab4df1835738cfcba6767d675277ca812f6fca
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D93C5473-A14D-4164-BF3C-BFB3B12B7AED}.exe

        • Path C:\Windows\{D93C5473-A14D-4164-BF3C-BFB3B12B7AED}.exe
        • Size 60KB
        • SHA256 d67a79db5cb1c53e0dd7bae3ce4583e8c31725a34cd9d15985417d0aa10b933a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {DED9BEE7-3FA7-412e-BFE8-5422B1DB83EE}.exe

        • Path C:\Windows\{DED9BEE7-3FA7-412e-BFE8-5422B1DB83EE}.exe
        • Size 60KB
        • SHA256 54e2518ea2c716c53979e4d5ef2e0e135fe6d1ad135e2c9a293dddcbd58594ad
        • MD5 SHA1 SHA512 SSDEEP TLSH