Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    27/07/2026, 15:00

General

  • Target
    2026-07-27_086d7a207821c74497cd0ac4b482dc1a_elex_rincux_wannacry.exe
  • Size 64KB
  • Sample260727-sdchxsgp4s
  • SHA256 0015afd25c00e5aaedac1e83206685078a4d3c63bb5e1940f2f44e307e3b84fd
  • 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 20 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 20 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 12 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 6 IoCs
  • Drops file in Windows directory 6 IoCs
  • Executes a command shell one-liner 1 TTPs 6 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 13 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 6 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-27_086d7a207821c74497cd0ac4b482dc1a_elex_rincux_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-27_086d7a207821c74497cd0ac4b482dc1a_elex_rincux_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:2608
    • C:\Windows\{C6E7C993-1B68-4ce8-BA1E-3257C31EC8D5}.exe
      C:\Windows\{C6E7C993-1B68-4ce8-BA1E-3257C31EC8D5}.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:4760
      • C:\Windows\{1C75EE1A-E848-4709-9A28-2CD3B66EB039}.exe
        C:\Windows\{1C75EE1A-E848-4709-9A28-2CD3B66EB039}.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:1352
        • C:\Windows\{95BF9B67-55F2-40c1-834A-6487B23DCF7D}.exe
          C:\Windows\{95BF9B67-55F2-40c1-834A-6487B23DCF7D}.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:3280
          • C:\Windows\{189AE48E-09A4-4f61-A74B-6316FDCA0CB6}.exe
            C:\Windows\{189AE48E-09A4-4f61-A74B-6316FDCA0CB6}.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:1724
            • C:\Windows\{6017BB7F-7ACD-471a-BF3B-45A1156BD8E5}.exe
              C:\Windows\{6017BB7F-7ACD-471a-BF3B-45A1156BD8E5}.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:2028
              • C:\Windows\{E10B59DE-30DE-4542-8BC0-9FF75600EA32}.exe
                C:\Windows\{E10B59DE-30DE-4542-8BC0-9FF75600EA32}.exe
                7⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:1956
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{6017B~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:2408
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{189AE~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:3484
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{95BF9~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:1176
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{1C75E~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:5060
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{C6E7C~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:2688
    • 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:1032

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {189AE48E-09A4-4f61-A74B-6316FDCA0CB6}.exe

        • Path C:\Windows\{189AE48E-09A4-4f61-A74B-6316FDCA0CB6}.exe
        • Size 64KB
        • SHA256 52847facc540a401392051371e62a0f8a5bfc964a64cd3c172225c22633367ef
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {1C75EE1A-E848-4709-9A28-2CD3B66EB039}.exe

        • Path C:\Windows\{1C75EE1A-E848-4709-9A28-2CD3B66EB039}.exe
        • Size 64KB
        • SHA256 a40ed416d41ac7f5f72a54b5753c625553c1c35b4854f83ea4205ad27a37104b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {6017BB7F-7ACD-471a-BF3B-45A1156BD8E5}.exe

        • Path C:\Windows\{6017BB7F-7ACD-471a-BF3B-45A1156BD8E5}.exe
        • Size 64KB
        • SHA256 b644f87953a3fa488b279d607c9389469dd55aba4dbdf319ceb67ae031d55c25
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {95BF9B67-55F2-40c1-834A-6487B23DCF7D}.exe

        • Path C:\Windows\{95BF9B67-55F2-40c1-834A-6487B23DCF7D}.exe
        • Size 64KB
        • SHA256 1b07e95138eec3d13d100b032f74b827295bcd13e60df1799fcd258a71ab4a3a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {C6E7C993-1B68-4ce8-BA1E-3257C31EC8D5}.exe

        • Path C:\Windows\{C6E7C993-1B68-4ce8-BA1E-3257C31EC8D5}.exe
        • Size 64KB
        • SHA256 879b68c75f8a1ba0ef89bc1207e89634d9da9913dd10cdfa0b79ccf5558c53bf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E10B59DE-30DE-4542-8BC0-9FF75600EA32}.exe

        • Path C:\Windows\{E10B59DE-30DE-4542-8BC0-9FF75600EA32}.exe
        • Size 64KB
        • SHA256 33627678e618b93e21a93890a4000194040cc49016889e71e604c4ad90d38203
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1352-17-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1352-13-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1724-25-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1724-29-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1956-36-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2028-31-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2028-35-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2608-0-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2608-7-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/2608-1-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3280-24-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3280-19-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4760-6-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/4760-11-0x0000000000400000-0x0000000000410000-memory.dmp