Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/10/2026, 18:14

General

  • Target
    2026-10-30_be29fb9fba428b82c55dc6ac825624d5_elex_remcos_wannacry.exe
  • Size 60KB
  • Sample261030-wt91xafb59
  • SHA256 84c6c28ccbe9c4b1db62f677bdd1d20087c898ab224a9ad95bb8b9ec192432e4
  • 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\2026-10-30_be29fb9fba428b82c55dc6ac825624d5_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-30_be29fb9fba428b82c55dc6ac825624d5_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:4820
    • C:\Windows\{94B2B357-97C0-4905-B88A-0852C1A3DF1C}.exe
      C:\Windows\{94B2B357-97C0-4905-B88A-0852C1A3DF1C}.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:4800
      • C:\Windows\{5D62A223-2D84-413b-8EB8-22F633861817}.exe
        C:\Windows\{5D62A223-2D84-413b-8EB8-22F633861817}.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:3436
        • C:\Windows\{3B9515B5-E89F-4f0b-BD66-853031E2D796}.exe
          C:\Windows\{3B9515B5-E89F-4f0b-BD66-853031E2D796}.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:3608
          • C:\Windows\{4C9D532B-C997-4745-B94D-B52869CE026D}.exe
            C:\Windows\{4C9D532B-C997-4745-B94D-B52869CE026D}.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:1636
            • C:\Windows\{4952B2FC-07D9-4303-8887-F39BFA6D391C}.exe
              C:\Windows\{4952B2FC-07D9-4303-8887-F39BFA6D391C}.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:1668
              • C:\Windows\{8541F730-EFF2-460b-A456-8E6E5F68897C}.exe
                C:\Windows\{8541F730-EFF2-460b-A456-8E6E5F68897C}.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:52
                • C:\Windows\{F7BD3FAA-5A84-4325-B452-6D546255033B}.exe
                  C:\Windows\{F7BD3FAA-5A84-4325-B452-6D546255033B}.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:3760
                  • C:\Windows\{EE54C6ED-0BB1-4e0b-963D-8160DFC73375}.exe
                    C:\Windows\{EE54C6ED-0BB1-4e0b-963D-8160DFC73375}.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:4944
                    • C:\Windows\{43C4E4FA-D593-4f5c-A8EF-2625AF623A11}.exe
                      C:\Windows\{43C4E4FA-D593-4f5c-A8EF-2625AF623A11}.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:5932
                      • C:\Windows\{A5E44271-2597-4750-80BD-3E1099C5B9BD}.exe
                        C:\Windows\{A5E44271-2597-4750-80BD-3E1099C5B9BD}.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:1488
                        • C:\Windows\{53B219F7-0E22-45a3-AC1E-7483699299F9}.exe
                          C:\Windows\{53B219F7-0E22-45a3-AC1E-7483699299F9}.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\{A5E44~1.EXE > nul
                          12⤵
                          • 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\{43C4E~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:1516
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{EE54C~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:5444
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{F7BD3~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:4148
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{8541F~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:3180
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{4952B~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:5812
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{4C9D5~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:4324
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{3B951~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:2024
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{5D62A~1.EXE > nul
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          PID:2072
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del C:\Windows\{94B2B~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:3216
    • 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:4896

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {3B9515B5-E89F-4f0b-BD66-853031E2D796}.exe

        • Path C:\Windows\{3B9515B5-E89F-4f0b-BD66-853031E2D796}.exe
        • Size 60KB
        • SHA256 442008af2770aad3d6e26216aec1225c584c22c3abf90213ae3b2e8cb9a3f99c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {43C4E4FA-D593-4f5c-A8EF-2625AF623A11}.exe

        • Path C:\Windows\{43C4E4FA-D593-4f5c-A8EF-2625AF623A11}.exe
        • Size 60KB
        • SHA256 a019f5d64ae1b5872ac4294ccb0da6242cd6de2c410c627ada939e783c9f7b05
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {4952B2FC-07D9-4303-8887-F39BFA6D391C}.exe

        • Path C:\Windows\{4952B2FC-07D9-4303-8887-F39BFA6D391C}.exe
        • Size 60KB
        • SHA256 6d604f7e5ce07c944a060ae6457c8372289787e1e048c3ed5be9d862079a289e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {4C9D532B-C997-4745-B94D-B52869CE026D}.exe

        • Path C:\Windows\{4C9D532B-C997-4745-B94D-B52869CE026D}.exe
        • Size 60KB
        • SHA256 ac528912d6810da09317e78b8ff877764f08b0b27c57b84639c1e7a77b543c74
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {53B219F7-0E22-45a3-AC1E-7483699299F9}.exe

        • Path C:\Windows\{53B219F7-0E22-45a3-AC1E-7483699299F9}.exe
        • Size 60KB
        • SHA256 0b7a15c7b58e6f5582deb26b8821414612c065545563309ee6c20cc3d560fa3c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5D62A223-2D84-413b-8EB8-22F633861817}.exe

        • Path C:\Windows\{5D62A223-2D84-413b-8EB8-22F633861817}.exe
        • Size 60KB
        • SHA256 ee4777c443b786eb0230d1e909cf97e4bbd0029b2657034984c965c60feb2db6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {8541F730-EFF2-460b-A456-8E6E5F68897C}.exe

        • Path C:\Windows\{8541F730-EFF2-460b-A456-8E6E5F68897C}.exe
        • Size 60KB
        • SHA256 166144a73f4b81505be05e6bee7d3347551f1e755230a344e6992ed0010c0b76
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {94B2B357-97C0-4905-B88A-0852C1A3DF1C}.exe

        • Path C:\Windows\{94B2B357-97C0-4905-B88A-0852C1A3DF1C}.exe
        • Size 60KB
        • SHA256 f0b7d8196f1ee71e34ed1680ccf90c71eb1692360ee299526c710932c6ecf86a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {A5E44271-2597-4750-80BD-3E1099C5B9BD}.exe

        • Path C:\Windows\{A5E44271-2597-4750-80BD-3E1099C5B9BD}.exe
        • Size 60KB
        • SHA256 0ce0e391f1c6b7eca99262d41df67bb7a46a2d277b82dbde1d9cabc629432b0c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {EE54C6ED-0BB1-4e0b-963D-8160DFC73375}.exe

        • Path C:\Windows\{EE54C6ED-0BB1-4e0b-963D-8160DFC73375}.exe
        • Size 60KB
        • SHA256 7c351b5151934110c447e73ca7644ba2e6d97f13219a68a3f3d7def705c5be22
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {F7BD3FAA-5A84-4325-B452-6D546255033B}.exe

        • Path C:\Windows\{F7BD3FAA-5A84-4325-B452-6D546255033B}.exe
        • Size 60KB
        • SHA256 85672497725025a7674562c6c2aaf374c05f9266f986dc108d9505dc5f37ef79
        • MD5 SHA1 SHA512 SSDEEP TLSH