Analysis

  • max time kernel
    148s
  • max time network
    135s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/07/2026, 09:46

General

  • Target
    2026-07-31_0fc4469553a2fea8576bced46316e262_elex_remcos_wannacry.exe
  • Size 60KB
  • Sample260731-lr35gagc39
  • SHA256 bb74e7c61ca7a94ad3d3fdc9769df7788f62729038f2a96c4f0d82e1d045644c
  • 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\2026-07-31_0fc4469553a2fea8576bced46316e262_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-31_0fc4469553a2fea8576bced46316e262_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:5604
    • C:\Windows\{62516F9C-3D5E-4a1c-B606-3D9F67715F77}.exe
      C:\Windows\{62516F9C-3D5E-4a1c-B606-3D9F67715F77}.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:908
      • C:\Windows\{CF94BA5F-6E5A-4601-82C4-388889829CC3}.exe
        C:\Windows\{CF94BA5F-6E5A-4601-82C4-388889829CC3}.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:2776
        • C:\Windows\{36B37DEA-3C29-46e3-88AC-AF57C938E624}.exe
          C:\Windows\{36B37DEA-3C29-46e3-88AC-AF57C938E624}.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:6136
          • C:\Windows\{AD5C034C-C044-41d9-9691-0DFD6B9E5D4B}.exe
            C:\Windows\{AD5C034C-C044-41d9-9691-0DFD6B9E5D4B}.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:2992
            • C:\Windows\{6BF31113-ECB1-4f33-97E5-450811145AFE}.exe
              C:\Windows\{6BF31113-ECB1-4f33-97E5-450811145AFE}.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:700
              • C:\Windows\{488C14BD-2C14-4d95-BDEA-5FC4725B60EE}.exe
                C:\Windows\{488C14BD-2C14-4d95-BDEA-5FC4725B60EE}.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:4404
                • C:\Windows\{171C947A-1ED8-47ad-BB87-57C3D2F70350}.exe
                  C:\Windows\{171C947A-1ED8-47ad-BB87-57C3D2F70350}.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:4388
                  • C:\Windows\{C8F4A4DB-5E2E-4b6b-9983-9764D8B81D70}.exe
                    C:\Windows\{C8F4A4DB-5E2E-4b6b-9983-9764D8B81D70}.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:5356
                    • C:\Windows\{9DEAD07B-FF12-4998-8DC5-C17A98E0CC38}.exe
                      C:\Windows\{9DEAD07B-FF12-4998-8DC5-C17A98E0CC38}.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:3516
                      • C:\Windows\{A2111D8E-3DB5-46cf-A569-5A68ACEDB62B}.exe
                        C:\Windows\{A2111D8E-3DB5-46cf-A569-5A68ACEDB62B}.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:4656
                        • C:\Windows\{4D1C63C9-DA21-4623-8A91-73CF887CD546}.exe
                          C:\Windows\{4D1C63C9-DA21-4623-8A91-73CF887CD546}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:1444
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{A2111~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:664
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{9DEAD~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:4884
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{C8F4A~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:1172
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{171C9~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:988
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{488C1~1.EXE > nul
                  8⤵
                  • 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\{6BF31~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:1516
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{AD5C0~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:4940
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{36B37~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:5464
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{CF94B~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:4876
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{62516~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:4444
    • 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:2608

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {171C947A-1ED8-47ad-BB87-57C3D2F70350}.exe

        • Path C:\Windows\{171C947A-1ED8-47ad-BB87-57C3D2F70350}.exe
        • Size 60KB
        • SHA256 e9f42ddd34c2a6067b9c570c2914839ec1539e816fb1847473e46c8f884291b8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {36B37DEA-3C29-46e3-88AC-AF57C938E624}.exe

        • Path C:\Windows\{36B37DEA-3C29-46e3-88AC-AF57C938E624}.exe
        • Size 60KB
        • SHA256 a4a943b76546c70ac375aef8ec3de7e73cf548a3bd4810db1913edacb92f476f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {488C14BD-2C14-4d95-BDEA-5FC4725B60EE}.exe

        • Path C:\Windows\{488C14BD-2C14-4d95-BDEA-5FC4725B60EE}.exe
        • Size 60KB
        • SHA256 b9c76c491f45a6d716a2f93af6763d5bd3c4b699db66e59791baef34f2e9ea54
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {4D1C63C9-DA21-4623-8A91-73CF887CD546}.exe

        • Path C:\Windows\{4D1C63C9-DA21-4623-8A91-73CF887CD546}.exe
        • Size 60KB
        • SHA256 752c0e7705b273f5e6c446788cb64d3f01b7cbd848785d3ad92e6e9ed30a354f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {62516F9C-3D5E-4a1c-B606-3D9F67715F77}.exe

        • Path C:\Windows\{62516F9C-3D5E-4a1c-B606-3D9F67715F77}.exe
        • Size 60KB
        • SHA256 bbe6dce35b2a9c805dd6e0a2246ddbcda17d04c857bab1f26a309e47d6a7e8c7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {6BF31113-ECB1-4f33-97E5-450811145AFE}.exe

        • Path C:\Windows\{6BF31113-ECB1-4f33-97E5-450811145AFE}.exe
        • Size 60KB
        • SHA256 481fe6c215c82d8e0af51830a26b99137beb0290bdec1decc89789475ebbee27
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {9DEAD07B-FF12-4998-8DC5-C17A98E0CC38}.exe

        • Path C:\Windows\{9DEAD07B-FF12-4998-8DC5-C17A98E0CC38}.exe
        • Size 60KB
        • SHA256 4a40374a7a293be494a577523a2091a30c8214966562fd62c850c055a9611168
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A2111D8E-3DB5-46cf-A569-5A68ACEDB62B}.exe

        • Path C:\Windows\{A2111D8E-3DB5-46cf-A569-5A68ACEDB62B}.exe
        • Size 60KB
        • SHA256 496532712853719d78fd355dd0689bdddae71c7126a682883b8da8ac796efea2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {AD5C034C-C044-41d9-9691-0DFD6B9E5D4B}.exe

        • Path C:\Windows\{AD5C034C-C044-41d9-9691-0DFD6B9E5D4B}.exe
        • Size 60KB
        • SHA256 43cea2335749f11575f3f0973fdadfb7ffb4d0df88d99fc9e0c57cbe283d4e48
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {C8F4A4DB-5E2E-4b6b-9983-9764D8B81D70}.exe

        • Path C:\Windows\{C8F4A4DB-5E2E-4b6b-9983-9764D8B81D70}.exe
        • Size 60KB
        • SHA256 52a174193961f4363b19ab0f6594d4732ab9bf6346a10d33bf7f1fd5205ad31d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CF94BA5F-6E5A-4601-82C4-388889829CC3}.exe

        • Path C:\Windows\{CF94BA5F-6E5A-4601-82C4-388889829CC3}.exe
        • Size 60KB
        • SHA256 157cc0167a0d704aa4b5b83fe0aca54dbdbf24f4e44641b26898243c0dbf8e8e
        • MD5 SHA1 SHA512 SSDEEP TLSH