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
    09/08/2026, 16:17

General

  • Target
    2026-08-09_9fb93a085d8ae673f41fbf8571dcf5d9_elex_remcos_wannacry.exe
  • Size 60KB
  • Sample260809-trkl5abc82
  • SHA256 f1be266abb73fc79d84b56b0beeeffe93979cbbbde69f194c3c844d20960f920
  • 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 6 IoCs
  • Detects Windows executables referencing non-Windows User-Agents 6 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\2026-08-09_9fb93a085d8ae673f41fbf8571dcf5d9_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-09_9fb93a085d8ae673f41fbf8571dcf5d9_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:4996
    • C:\Windows\{1FC7B5D9-68E8-40e7-B25A-774AA8007AFA}.exe
      C:\Windows\{1FC7B5D9-68E8-40e7-B25A-774AA8007AFA}.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:2744
      • C:\Windows\{7C6C36CE-3775-4f5e-96D7-358F175E939E}.exe
        C:\Windows\{7C6C36CE-3775-4f5e-96D7-358F175E939E}.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:2976
        • C:\Windows\{5F162DAF-C702-456c-B723-B93A0315586A}.exe
          C:\Windows\{5F162DAF-C702-456c-B723-B93A0315586A}.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:3692
          • C:\Windows\{CE8FB87E-B118-4ead-A316-E3BC1468F807}.exe
            C:\Windows\{CE8FB87E-B118-4ead-A316-E3BC1468F807}.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:3816
            • C:\Windows\{FE5822EA-AFD6-49a1-B79E-A6D90DE85DF0}.exe
              C:\Windows\{FE5822EA-AFD6-49a1-B79E-A6D90DE85DF0}.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:3764
              • C:\Windows\{E0F94BF5-2E1E-4a18-B06D-D937B6376783}.exe
                C:\Windows\{E0F94BF5-2E1E-4a18-B06D-D937B6376783}.exe
                7⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                PID:456
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{FE582~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:3188
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{CE8FB~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:1760
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{5F162~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:1576
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{7C6C3~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:4544
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{1FC7B~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:4460
    • 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:2812

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {1FC7B5D9-68E8-40e7-B25A-774AA8007AFA}.exe

        • Path C:\Windows\{1FC7B5D9-68E8-40e7-B25A-774AA8007AFA}.exe
        • Size 60KB
        • SHA256 147caf8b9ca1cb61cd41ea724955e4f5254ecef68097948bd80ef6f39ab151ab
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5F162DAF-C702-456c-B723-B93A0315586A}.exe

        • Path C:\Windows\{5F162DAF-C702-456c-B723-B93A0315586A}.exe
        • Size 60KB
        • SHA256 89795e65202ab36978089858a3eec52d878afa777d1e8c19274593c3bb223de3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {7C6C36CE-3775-4f5e-96D7-358F175E939E}.exe

        • Path C:\Windows\{7C6C36CE-3775-4f5e-96D7-358F175E939E}.exe
        • Size 60KB
        • SHA256 91b8a6bc2a53576ace2c126e57087b5a5ceb0ad0e3e700a8d6fceedff1b2bfbc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CE8FB87E-B118-4ead-A316-E3BC1468F807}.exe

        • Path C:\Windows\{CE8FB87E-B118-4ead-A316-E3BC1468F807}.exe
        • Size 60KB
        • SHA256 7d6264e8405c507d2d7f151797f6050e883a6bcf474a02f0f9d66a7a060e9123
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E0F94BF5-2E1E-4a18-B06D-D937B6376783}.exe

        • Path C:\Windows\{E0F94BF5-2E1E-4a18-B06D-D937B6376783}.exe
        • Size 60KB
        • SHA256 61f1a3baf1e55aa94c004e6199748818b0c3c642d422a94e5302a6ff56139092
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {FE5822EA-AFD6-49a1-B79E-A6D90DE85DF0}.exe

        • Path C:\Windows\{FE5822EA-AFD6-49a1-B79E-A6D90DE85DF0}.exe
        • Size 60KB
        • SHA256 03a05b1609e878b6998e94d0660d47a4d1fcdaab471feba0a6198f49d9d1cedd
        • MD5 SHA1 SHA512 SSDEEP TLSH