Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    16/08/2026, 12:42

General

  • Target
    2026-08-16_df8157a05f97cf98ae3448a7b0182456_elex_remcos_wannacry.exe
  • Size 59KB
  • Sample260816-pxtprsysfw
  • SHA256 e1b9b682dcfba503b894078faf497a9225610316499b13a8943ba5cb5d7db92a
  • 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\2026-08-16_df8157a05f97cf98ae3448a7b0182456_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-16_df8157a05f97cf98ae3448a7b0182456_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:1932
    • C:\Windows\{F3548680-F51F-44aa-BCC1-16688432DB26}.exe
      C:\Windows\{F3548680-F51F-44aa-BCC1-16688432DB26}.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:1820
      • C:\Windows\{8557A101-6ABA-445c-8508-286CC0C61173}.exe
        C:\Windows\{8557A101-6ABA-445c-8508-286CC0C61173}.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:4124
        • C:\Windows\{6D5F70D4-8C83-49b1-BBF0-770E801F3028}.exe
          C:\Windows\{6D5F70D4-8C83-49b1-BBF0-770E801F3028}.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:2944
          • C:\Windows\{E34BB79F-9BF0-4ccf-A8AE-D71A85ABDFBD}.exe
            C:\Windows\{E34BB79F-9BF0-4ccf-A8AE-D71A85ABDFBD}.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:6264
            • C:\Windows\{14C6AF76-4A87-41cc-ACD0-0322F71A2AE6}.exe
              C:\Windows\{14C6AF76-4A87-41cc-ACD0-0322F71A2AE6}.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:6936
              • C:\Windows\{6BACDC44-DFC3-4d17-AE71-290D61DD1453}.exe
                C:\Windows\{6BACDC44-DFC3-4d17-AE71-290D61DD1453}.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:6076
                • C:\Windows\{6F2F071C-E2B5-4880-9CEA-D200407069B4}.exe
                  C:\Windows\{6F2F071C-E2B5-4880-9CEA-D200407069B4}.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:6552
                  • C:\Windows\{3F478651-3F12-4038-80E0-A58D32B72000}.exe
                    C:\Windows\{3F478651-3F12-4038-80E0-A58D32B72000}.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:6256
                    • C:\Windows\{50AF4189-9FA0-45b2-8B06-CAD0CC93CA07}.exe
                      C:\Windows\{50AF4189-9FA0-45b2-8B06-CAD0CC93CA07}.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:5148
                      • C:\Windows\{9213BF70-F027-4e80-8D77-C7EFBDBFFBC5}.exe
                        C:\Windows\{9213BF70-F027-4e80-8D77-C7EFBDBFFBC5}.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:5692
                        • C:\Windows\{6DEFBA7E-5B08-4589-880B-9992E5DA2C77}.exe
                          C:\Windows\{6DEFBA7E-5B08-4589-880B-9992E5DA2C77}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:4300
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{9213B~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:1972
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{50AF4~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:6896
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{3F478~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:5656
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{6F2F0~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:4512
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{6BACD~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:4672
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{14C6A~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:2716
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{E34BB~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:6960
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{6D5F7~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:1276
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{8557A~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:1560
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{F3548~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:6464
    • 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:6668

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        {14C6AF76-4A87-41cc-ACD0-0322F71A2AE6}.exe

        • Path C:\Windows\{14C6AF76-4A87-41cc-ACD0-0322F71A2AE6}.exe
        • Size 59KB
        • SHA256 4f09ee25a75d06b970a3d9463f25c22347faaa1aa24f6ab6a9762560ea0f6140
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3F478651-3F12-4038-80E0-A58D32B72000}.exe

        • Path C:\Windows\{3F478651-3F12-4038-80E0-A58D32B72000}.exe
        • Size 59KB
        • SHA256 9ba2bbb49484da372874081c89d45e94823378d4b97130beb0e47c181693a2ec
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {50AF4189-9FA0-45b2-8B06-CAD0CC93CA07}.exe

        • Path C:\Windows\{50AF4189-9FA0-45b2-8B06-CAD0CC93CA07}.exe
        • Size 59KB
        • SHA256 46ac714ab6fc0b4c36d153aef029ea1b187645c473991a8aa7e2cbe0a5a7c0cb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {6BACDC44-DFC3-4d17-AE71-290D61DD1453}.exe

        • Path C:\Windows\{6BACDC44-DFC3-4d17-AE71-290D61DD1453}.exe
        • Size 59KB
        • SHA256 2d3355d89944c460a476bd3cf3f5e0a66d46b7b8e44f2120ae52168d271e425a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {6D5F70D4-8C83-49b1-BBF0-770E801F3028}.exe

        • Path C:\Windows\{6D5F70D4-8C83-49b1-BBF0-770E801F3028}.exe
        • Size 59KB
        • SHA256 22185630866955a2f27f9b26255d68c25fd3e7ab86cfbf138b963f6e4dcb0a28
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {6DEFBA7E-5B08-4589-880B-9992E5DA2C77}.exe

        • Path C:\Windows\{6DEFBA7E-5B08-4589-880B-9992E5DA2C77}.exe
        • Size 59KB
        • SHA256 bf136532acd51a59c98bc34693b6d1f65a632814a456fb314a24931655fe6a22
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {6F2F071C-E2B5-4880-9CEA-D200407069B4}.exe

        • Path C:\Windows\{6F2F071C-E2B5-4880-9CEA-D200407069B4}.exe
        • Size 59KB
        • SHA256 017ad7728dccdbd6206311246daf74b686c6df041017936d5c162b3a02398d74
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8557A101-6ABA-445c-8508-286CC0C61173}.exe

        • Path C:\Windows\{8557A101-6ABA-445c-8508-286CC0C61173}.exe
        • Size 59KB
        • SHA256 438d3e682d8ed31a6f1dbf7366df87b89ea69ad3f39c3940b5673902b37daa4d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {9213BF70-F027-4e80-8D77-C7EFBDBFFBC5}.exe

        • Path C:\Windows\{9213BF70-F027-4e80-8D77-C7EFBDBFFBC5}.exe
        • Size 59KB
        • SHA256 f801ad0498fb45c685cc55ecbbfd3b356f7d31861495c82c3e5e4583921b97b5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E34BB79F-9BF0-4ccf-A8AE-D71A85ABDFBD}.exe

        • Path C:\Windows\{E34BB79F-9BF0-4ccf-A8AE-D71A85ABDFBD}.exe
        • Size 59KB
        • SHA256 78d20a556f9a305f4cb0f5aeb31304ec57e92fa764c37849cf55c0e5e03989af
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F3548680-F51F-44aa-BCC1-16688432DB26}.exe

        • Path C:\Windows\{F3548680-F51F-44aa-BCC1-16688432DB26}.exe
        • Size 59KB
        • SHA256 6f8bc20acca201ddd1257c581921de8f42c64e9c00a0be12f33a9f808f10798a
        • MD5 SHA1 SHA512 SSDEEP TLSH