Analysis

  • max time kernel
    148s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/10/2026, 15:00

General

  • Target
    2026-10-21_a21ee0747e7645c9e7cbcc3ed1c1ffc2_elex_remcos_wannacry.exe
  • Size 59KB
  • Sample261022-sdh1psvv4k
  • SHA256 33a8fc68c8d55cd90528ed2509efed89a267e1b138a3479fe7a2c2fe27fe5840
  • 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\2026-10-21_a21ee0747e7645c9e7cbcc3ed1c1ffc2_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-21_a21ee0747e7645c9e7cbcc3ed1c1ffc2_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:4200
    • C:\Windows\{152B1830-48F3-4470-9C70-121A88E011E5}.exe
      C:\Windows\{152B1830-48F3-4470-9C70-121A88E011E5}.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:2792
      • C:\Windows\{826982C4-3AAC-4233-A3CD-2FFFC16A0C4C}.exe
        C:\Windows\{826982C4-3AAC-4233-A3CD-2FFFC16A0C4C}.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:6116
        • C:\Windows\{72AF89D8-9AB9-4e16-9791-4C8E2AA513E5}.exe
          C:\Windows\{72AF89D8-9AB9-4e16-9791-4C8E2AA513E5}.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:4124
          • C:\Windows\{24B40D22-A64B-49c9-81E8-A00222215E1A}.exe
            C:\Windows\{24B40D22-A64B-49c9-81E8-A00222215E1A}.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:2952
            • C:\Windows\{2DCFB4AD-04FE-4bc9-A6C6-30331D74DA44}.exe
              C:\Windows\{2DCFB4AD-04FE-4bc9-A6C6-30331D74DA44}.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:2384
              • C:\Windows\{A218319C-0456-4426-9371-88E8E2DFDE24}.exe
                C:\Windows\{A218319C-0456-4426-9371-88E8E2DFDE24}.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:4024
                • C:\Windows\{F35DFA2D-04E7-4314-9721-94D6C0605876}.exe
                  C:\Windows\{F35DFA2D-04E7-4314-9721-94D6C0605876}.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:1288
                  • C:\Windows\{E8293479-AA4C-461b-9802-C890639DD197}.exe
                    C:\Windows\{E8293479-AA4C-461b-9802-C890639DD197}.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:4656
                    • C:\Windows\{3244D011-2E46-4d36-8803-B5736B39EF95}.exe
                      C:\Windows\{3244D011-2E46-4d36-8803-B5736B39EF95}.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:5112
                      • C:\Windows\{9E5335A5-A77D-4892-AEDD-DC9B80F45967}.exe
                        C:\Windows\{9E5335A5-A77D-4892-AEDD-DC9B80F45967}.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:4564
                        • C:\Windows\{8D07728C-40C5-4329-85FF-6A5130174FF6}.exe
                          C:\Windows\{8D07728C-40C5-4329-85FF-6A5130174FF6}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:5696
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{9E533~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:6008
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{3244D~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:2696
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{E8293~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:828
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{F35DF~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:1784
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{A2183~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:4948
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{2DCFB~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:5580
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{24B40~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:4276
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{72AF8~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:5568
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{82698~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:4608
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{152B1~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:1744
    • 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:4152

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        {152B1830-48F3-4470-9C70-121A88E011E5}.exe

        • Path C:\Windows\{152B1830-48F3-4470-9C70-121A88E011E5}.exe
        • Size 59KB
        • SHA256 ae40f92b9d4b8eb0ede6cabd79cc8a2064d54a496b3a8ac60eecef6a7145212c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {24B40D22-A64B-49c9-81E8-A00222215E1A}.exe

        • Path C:\Windows\{24B40D22-A64B-49c9-81E8-A00222215E1A}.exe
        • Size 59KB
        • SHA256 8b541c725c87e874d2bca13c3378c7b227b650cd9945ec53464c0b346d97153c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {2DCFB4AD-04FE-4bc9-A6C6-30331D74DA44}.exe

        • Path C:\Windows\{2DCFB4AD-04FE-4bc9-A6C6-30331D74DA44}.exe
        • Size 59KB
        • SHA256 d8dce2e023e73769a8acd4eb0f4cf62c2a94c81030b663860a09ef801caefd7f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3244D011-2E46-4d36-8803-B5736B39EF95}.exe

        • Path C:\Windows\{3244D011-2E46-4d36-8803-B5736B39EF95}.exe
        • Size 59KB
        • SHA256 c9cc462918da1d0ce7f068e3fb1396b6ef44250d6e5e48cef3ffd4d8ea7a95d1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {72AF89D8-9AB9-4e16-9791-4C8E2AA513E5}.exe

        • Path C:\Windows\{72AF89D8-9AB9-4e16-9791-4C8E2AA513E5}.exe
        • Size 59KB
        • SHA256 10e2b08668484604d3da92c5d204aa68c97df76be1fac59552f72be8d5ab3627
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {826982C4-3AAC-4233-A3CD-2FFFC16A0C4C}.exe

        • Path C:\Windows\{826982C4-3AAC-4233-A3CD-2FFFC16A0C4C}.exe
        • Size 59KB
        • SHA256 adc030f5a158cbc056c9ce3dc3ce1e4c103ceff0f67a2e779e5dc82fc100fc5c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8D07728C-40C5-4329-85FF-6A5130174FF6}.exe

        • Path C:\Windows\{8D07728C-40C5-4329-85FF-6A5130174FF6}.exe
        • Size 59KB
        • SHA256 9e158b6cc925df5e9793c837adf1d81ad2499800b10bbd92af899567493c3f27
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {9E5335A5-A77D-4892-AEDD-DC9B80F45967}.exe

        • Path C:\Windows\{9E5335A5-A77D-4892-AEDD-DC9B80F45967}.exe
        • Size 59KB
        • SHA256 941afbb9394ccbd83721bf9c2ad3fdda541012b5ad145087f72982c9639f4105
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A218319C-0456-4426-9371-88E8E2DFDE24}.exe

        • Path C:\Windows\{A218319C-0456-4426-9371-88E8E2DFDE24}.exe
        • Size 59KB
        • SHA256 3b06a4a6ef3cd6d82575a43758348f7854cddfcec7a7047a37edc475bb1cb4cb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E8293479-AA4C-461b-9802-C890639DD197}.exe

        • Path C:\Windows\{E8293479-AA4C-461b-9802-C890639DD197}.exe
        • Size 59KB
        • SHA256 1bfd0c8dd1d0b6f41e2446f99abcc28654f7cdd94acc3f2f51d27008d55f1255
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F35DFA2D-04E7-4314-9721-94D6C0605876}.exe

        • Path C:\Windows\{F35DFA2D-04E7-4314-9721-94D6C0605876}.exe
        • Size 59KB
        • SHA256 c13162ba4a31785abaf7453f5f1d828cad446cc0846ba10d1247af7b9dab2451
        • MD5 SHA1 SHA512 SSDEEP TLSH