Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/10/2026, 20:52

General

  • Target
    2026-10-19_b4bca5512368f7e970ca8a99de18602d_elex_remcos_wannacry.exe
  • Size 79KB
  • Sample261019-zn52js1vbz
  • SHA256 48ee8e0e2f6dcdd54431461c9af4783c6a40e83c8f3bc55ea34efa7f81bbafde
  • 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\2026-10-19_b4bca5512368f7e970ca8a99de18602d_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-19_b4bca5512368f7e970ca8a99de18602d_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:4712
    • C:\Windows\{F230C21E-8DB9-42f5-BC17-3E4086D39FE5}.exe
      C:\Windows\{F230C21E-8DB9-42f5-BC17-3E4086D39FE5}.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:3968
      • C:\Windows\{B8A67E65-F182-405d-AF8A-208AC5134520}.exe
        C:\Windows\{B8A67E65-F182-405d-AF8A-208AC5134520}.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:4212
        • C:\Windows\{A2B9B654-464C-4b44-A0FE-F0A140398E5C}.exe
          C:\Windows\{A2B9B654-464C-4b44-A0FE-F0A140398E5C}.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:5204
          • C:\Windows\{85F9C9D1-9935-480d-AF49-9723958848CA}.exe
            C:\Windows\{85F9C9D1-9935-480d-AF49-9723958848CA}.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:52
            • C:\Windows\{CB4FE4C3-F116-4dac-AA79-F5C086EAAD8E}.exe
              C:\Windows\{CB4FE4C3-F116-4dac-AA79-F5C086EAAD8E}.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:5732
              • C:\Windows\{386A0142-6120-4747-BEE8-FBDB08F71895}.exe
                C:\Windows\{386A0142-6120-4747-BEE8-FBDB08F71895}.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:3488
                • C:\Windows\{262C0E84-F04D-4ad5-A67B-348BA117ECAB}.exe
                  C:\Windows\{262C0E84-F04D-4ad5-A67B-348BA117ECAB}.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:5404
                  • C:\Windows\{3E6E38D1-7729-4dde-B98B-BF7A3C0FC3E9}.exe
                    C:\Windows\{3E6E38D1-7729-4dde-B98B-BF7A3C0FC3E9}.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:4220
                    • C:\Windows\{D1C0553C-14A7-4f5e-9EFC-5A761FE51E9E}.exe
                      C:\Windows\{D1C0553C-14A7-4f5e-9EFC-5A761FE51E9E}.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:4564
                      • C:\Windows\{DFFB2D29-9E2B-4b1a-920D-CAEC8B70BCBE}.exe
                        C:\Windows\{DFFB2D29-9E2B-4b1a-920D-CAEC8B70BCBE}.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:4192
                        • C:\Windows\{10353954-EFEB-4441-AF2C-8D3C6C5FB610}.exe
                          C:\Windows\{10353954-EFEB-4441-AF2C-8D3C6C5FB610}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:5908
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{DFFB2~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:1136
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{D1C05~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:1704
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{3E6E3~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:4508
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{262C0~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:3376
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{386A0~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:1032
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{CB4FE~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:5136
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{85F9C~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:4832
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{A2B9B~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:236
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{B8A67~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:1652
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{F230C~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:5948
    • 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:5096

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        {10353954-EFEB-4441-AF2C-8D3C6C5FB610}.exe

        • Path C:\Windows\{10353954-EFEB-4441-AF2C-8D3C6C5FB610}.exe
        • Size 79KB
        • SHA256 298eb7e6080875c1f315b5242af639f652ee790a0e0bcd024467a1b2c37b1c94
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {262C0E84-F04D-4ad5-A67B-348BA117ECAB}.exe

        • Path C:\Windows\{262C0E84-F04D-4ad5-A67B-348BA117ECAB}.exe
        • Size 79KB
        • SHA256 f5abcd0ff471b888d5aca718e97ff986049a25fb1dc5a30c1cab30cf4f04d559
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {386A0142-6120-4747-BEE8-FBDB08F71895}.exe

        • Path C:\Windows\{386A0142-6120-4747-BEE8-FBDB08F71895}.exe
        • Size 79KB
        • SHA256 f0530a489b0a6ac4601850bd7588a12b7a1c08f238f19f7f1f709dc3dbfba562
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3E6E38D1-7729-4dde-B98B-BF7A3C0FC3E9}.exe

        • Path C:\Windows\{3E6E38D1-7729-4dde-B98B-BF7A3C0FC3E9}.exe
        • Size 79KB
        • SHA256 085f5efa11b97ed55f3d0fc4757bded9f5574ecae4c4b36359ccdf84daaa3992
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {85F9C9D1-9935-480d-AF49-9723958848CA}.exe

        • Path C:\Windows\{85F9C9D1-9935-480d-AF49-9723958848CA}.exe
        • Size 79KB
        • SHA256 8eb913975bd242ede86fe0fde85bc9fcfa1b2aed0b769e43bd0407301e87e2d0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A2B9B654-464C-4b44-A0FE-F0A140398E5C}.exe

        • Path C:\Windows\{A2B9B654-464C-4b44-A0FE-F0A140398E5C}.exe
        • Size 79KB
        • SHA256 61a65ae119cfd9f2ccabaef184b187e7eb7cbee9e49b0bd2e795d1f58a355a29
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {B8A67E65-F182-405d-AF8A-208AC5134520}.exe

        • Path C:\Windows\{B8A67E65-F182-405d-AF8A-208AC5134520}.exe
        • Size 79KB
        • SHA256 202aee649f552b8894058ea974bd93f1159a6196baca981365b4d1fd5f9e1da8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CB4FE4C3-F116-4dac-AA79-F5C086EAAD8E}.exe

        • Path C:\Windows\{CB4FE4C3-F116-4dac-AA79-F5C086EAAD8E}.exe
        • Size 79KB
        • SHA256 87710bc8796afe3e53eed9442c4d49f66b524dec27bd481287e5129d793baaed
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D1C0553C-14A7-4f5e-9EFC-5A761FE51E9E}.exe

        • Path C:\Windows\{D1C0553C-14A7-4f5e-9EFC-5A761FE51E9E}.exe
        • Size 79KB
        • SHA256 21f2cc0aff45e37235b20d8bb5fdf2e5d3c99a5c2cc586568bea8986ee874107
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {DFFB2D29-9E2B-4b1a-920D-CAEC8B70BCBE}.exe

        • Path C:\Windows\{DFFB2D29-9E2B-4b1a-920D-CAEC8B70BCBE}.exe
        • Size 79KB
        • SHA256 4cf54a27a0cbe9e63a3f2651e8a7287f510f386cd501922b0c1245721ff24a4e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F230C21E-8DB9-42f5-BC17-3E4086D39FE5}.exe

        • Path C:\Windows\{F230C21E-8DB9-42f5-BC17-3E4086D39FE5}.exe
        • Size 79KB
        • SHA256 b3ff57d3c3d92ea47565bcde6758122a0b69ad915c4a6a968f8158f5c2d02861
        • MD5 SHA1 SHA512 SSDEEP TLSH