Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 14:41

General

  • Target
    2026-08-04_a2fbd85c7e86c2933cadc69c0fc50280_elex_remcos_wannacry.exe
  • Size 59KB
  • Sample260804-r2tlnsgp4x
  • SHA256 83402f720431fc1caccc70a3bac6da27691055265836853310abce8476046247
  • 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
  • Custom signature
    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\2026-08-04_a2fbd85c7e86c2933cadc69c0fc50280_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-04_a2fbd85c7e86c2933cadc69c0fc50280_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:4220
    • C:\Windows\{EB3AC7F8-1C31-4a27-B6D6-8042FF0AD7DD}.exe
      C:\Windows\{EB3AC7F8-1C31-4a27-B6D6-8042FF0AD7DD}.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:3216
      • C:\Windows\{447AA9C0-C641-45b1-AF26-C06F02F96CF9}.exe
        C:\Windows\{447AA9C0-C641-45b1-AF26-C06F02F96CF9}.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:2848
        • C:\Windows\{F9C6D284-0E84-4167-A62E-166579FFAEDF}.exe
          C:\Windows\{F9C6D284-0E84-4167-A62E-166579FFAEDF}.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:356
          • C:\Windows\{D56E71B9-6F7C-4840-AEA7-C33CAF1A3C80}.exe
            C:\Windows\{D56E71B9-6F7C-4840-AEA7-C33CAF1A3C80}.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:5612
            • C:\Windows\{4267A573-7C5F-4a38-B766-D84213DB7BAC}.exe
              C:\Windows\{4267A573-7C5F-4a38-B766-D84213DB7BAC}.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:5768
              • C:\Windows\{5FC09C96-8617-4fa1-A255-EFD23C7B617D}.exe
                C:\Windows\{5FC09C96-8617-4fa1-A255-EFD23C7B617D}.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:5568
                • C:\Windows\{2717B9F8-01B6-443d-822E-ED7D9D5BDBEA}.exe
                  C:\Windows\{2717B9F8-01B6-443d-822E-ED7D9D5BDBEA}.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:1724
                  • C:\Windows\{50316C29-CAE2-4772-93B6-90081334AC5A}.exe
                    C:\Windows\{50316C29-CAE2-4772-93B6-90081334AC5A}.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:2560
                    • C:\Windows\{FE4927D4-A441-4ef2-9199-83C71BB6D27D}.exe
                      C:\Windows\{FE4927D4-A441-4ef2-9199-83C71BB6D27D}.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:2072
                      • C:\Windows\{817A9E1F-58F7-4392-8F9A-2501F13DE350}.exe
                        C:\Windows\{817A9E1F-58F7-4392-8F9A-2501F13DE350}.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:3420
                        • C:\Windows\{CA6DFA0B-B41E-418b-945B-CEE887DA9542}.exe
                          C:\Windows\{CA6DFA0B-B41E-418b-945B-CEE887DA9542}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:6024
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{817A9~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:5696
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{FE492~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:556
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{50316~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:1820
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{2717B~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:4880
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{5FC09~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:3264
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{4267A~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:5864
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{D56E7~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:5308
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{F9C6D~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:3964
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{447AA~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:248
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{EB3AC~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:1128
    • 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:4484

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {2717B9F8-01B6-443d-822E-ED7D9D5BDBEA}.exe

        • Path C:\Windows\{2717B9F8-01B6-443d-822E-ED7D9D5BDBEA}.exe
        • Size 59KB
        • SHA256 1d88593efbf5b600d93e0bc80fd718b0948d683281bd6f25bd6a82d57f0113c2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {4267A573-7C5F-4a38-B766-D84213DB7BAC}.exe

        • Path C:\Windows\{4267A573-7C5F-4a38-B766-D84213DB7BAC}.exe
        • Size 59KB
        • SHA256 7f04e2a8fd3cd2fd1dff2fb834783a4cac0f44235944a462241a3c83d6ceb005
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {447AA9C0-C641-45b1-AF26-C06F02F96CF9}.exe

        • Path C:\Windows\{447AA9C0-C641-45b1-AF26-C06F02F96CF9}.exe
        • Size 59KB
        • SHA256 800a813e58aa36bca7fb4d37d1118ce150cdba82f6ea155beb73da12c50beb7b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {50316C29-CAE2-4772-93B6-90081334AC5A}.exe

        • Path C:\Windows\{50316C29-CAE2-4772-93B6-90081334AC5A}.exe
        • Size 59KB
        • SHA256 bda0d1e6bc7937528302d333bd8ad7d5ed0336528a23910d8b6a3ce71ce216fc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5FC09C96-8617-4fa1-A255-EFD23C7B617D}.exe

        • Path C:\Windows\{5FC09C96-8617-4fa1-A255-EFD23C7B617D}.exe
        • Size 59KB
        • SHA256 453a25b12813fc6e1dae797aaafda136e5d1ec01840e2c3a0ba55b2f1447e92a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {817A9E1F-58F7-4392-8F9A-2501F13DE350}.exe

        • Path C:\Windows\{817A9E1F-58F7-4392-8F9A-2501F13DE350}.exe
        • Size 59KB
        • SHA256 f8a3bc28ab135711847ae633e81d44096b21d7be0a9fe0ce50c9887fe9cd6303
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {CA6DFA0B-B41E-418b-945B-CEE887DA9542}.exe

        • Path C:\Windows\{CA6DFA0B-B41E-418b-945B-CEE887DA9542}.exe
        • Size 59KB
        • SHA256 6a58ff57725715e9ac7c8a02d7c9d945b233fbb1655df957b26c8dd70e487564
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D56E71B9-6F7C-4840-AEA7-C33CAF1A3C80}.exe

        • Path C:\Windows\{D56E71B9-6F7C-4840-AEA7-C33CAF1A3C80}.exe
        • Size 59KB
        • SHA256 b0c35d90e0fc97a1447373912594c2ba1bf9a363fc9d1d3d2dcd530a1cfb54c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {EB3AC7F8-1C31-4a27-B6D6-8042FF0AD7DD}.exe

        • Path C:\Windows\{EB3AC7F8-1C31-4a27-B6D6-8042FF0AD7DD}.exe
        • Size 59KB
        • SHA256 66a41d538eb485b02575e79a266ac0da6f0ce70d3bc5e34519bcb286ab0fd1b8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F9C6D284-0E84-4167-A62E-166579FFAEDF}.exe

        • Path C:\Windows\{F9C6D284-0E84-4167-A62E-166579FFAEDF}.exe
        • Size 59KB
        • SHA256 03bdde207df300b0e07242c299411f0e1e74b778de0d47adeaceb890f91463e9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {FE4927D4-A441-4ef2-9199-83C71BB6D27D}.exe

        • Path C:\Windows\{FE4927D4-A441-4ef2-9199-83C71BB6D27D}.exe
        • Size 59KB
        • SHA256 86dd8e07fa284b38fd4873aaf5cf680c3de26c81ecdfff79f8decb0e90dd7f76
        • MD5 SHA1 SHA512 SSDEEP TLSH