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
    27/10/2026, 10:03

General

  • Target
    2026-10-26_a610ad67da31f597c9e4bab32a1dd4ac_elex_remcos_wannacry.exe
  • Size 79KB
  • Sample261027-l3vbpsb15x
  • SHA256 57465d0f349dfbd2a36a34022b9a1eb63545c5ce41fbfec7ece8ab3323320242
  • 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\2026-10-26_a610ad67da31f597c9e4bab32a1dd4ac_elex_remcos_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-10-26_a610ad67da31f597c9e4bab32a1dd4ac_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:4964
    • C:\Windows\{E03CBC9F-89EC-4764-9CE0-823AC5B55278}.exe
      C:\Windows\{E03CBC9F-89EC-4764-9CE0-823AC5B55278}.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:2052
      • C:\Windows\{772BAE8D-E1EF-42c4-8E5A-9828852F1B81}.exe
        C:\Windows\{772BAE8D-E1EF-42c4-8E5A-9828852F1B81}.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:2516
        • C:\Windows\{AEB6E559-B25E-4753-BA01-29EB7C4A0DDE}.exe
          C:\Windows\{AEB6E559-B25E-4753-BA01-29EB7C4A0DDE}.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:5144
          • C:\Windows\{AB4F1FBD-9802-4e96-94C2-0907EE13A562}.exe
            C:\Windows\{AB4F1FBD-9802-4e96-94C2-0907EE13A562}.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:5912
            • C:\Windows\{305BF138-36A8-44ff-BDD2-42192B2B723E}.exe
              C:\Windows\{305BF138-36A8-44ff-BDD2-42192B2B723E}.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:2648
              • C:\Windows\{48481EC5-C1B2-4c01-93AE-159FD9BF2E2F}.exe
                C:\Windows\{48481EC5-C1B2-4c01-93AE-159FD9BF2E2F}.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:4792
                • C:\Windows\{9280BCFE-88BD-48ba-A90C-7E6CDA65915A}.exe
                  C:\Windows\{9280BCFE-88BD-48ba-A90C-7E6CDA65915A}.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:4980
                  • C:\Windows\{D77AC74C-DB0C-451a-BC21-1CE78BD0A3B3}.exe
                    C:\Windows\{D77AC74C-DB0C-451a-BC21-1CE78BD0A3B3}.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:4820
                    • C:\Windows\{BAA78C6A-39F4-4e89-86E4-AD74FC17D3A4}.exe
                      C:\Windows\{BAA78C6A-39F4-4e89-86E4-AD74FC17D3A4}.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:1388
                      • C:\Windows\{3001B075-F090-4a6b-BC44-ACE89798EF80}.exe
                        C:\Windows\{3001B075-F090-4a6b-BC44-ACE89798EF80}.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:3740
                        • C:\Windows\{D4B2DC5A-E63C-4620-85DB-997BCBB1747B}.exe
                          C:\Windows\{D4B2DC5A-E63C-4620-85DB-997BCBB1747B}.exe
                          12⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:3872
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c del C:\Windows\{3001B~1.EXE > nul
                          12⤵
                          • Executes a command shell one-liner
                          • System Location Discovery: System Language Discovery
                          PID:3536
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c del C:\Windows\{BAA78~1.EXE > nul
                        11⤵
                        • Executes a command shell one-liner
                        • System Location Discovery: System Language Discovery
                        PID:4160
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c del C:\Windows\{D77AC~1.EXE > nul
                      10⤵
                      • Executes a command shell one-liner
                      • System Location Discovery: System Language Discovery
                      PID:2700
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c del C:\Windows\{9280B~1.EXE > nul
                    9⤵
                    • Executes a command shell one-liner
                    • System Location Discovery: System Language Discovery
                    PID:3092
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c del C:\Windows\{48481~1.EXE > nul
                  8⤵
                  • Executes a command shell one-liner
                  • System Location Discovery: System Language Discovery
                  PID:5984
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c del C:\Windows\{305BF~1.EXE > nul
                7⤵
                • Executes a command shell one-liner
                • System Location Discovery: System Language Discovery
                PID:2820
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c del C:\Windows\{AB4F1~1.EXE > nul
              6⤵
              • Executes a command shell one-liner
              • System Location Discovery: System Language Discovery
              PID:5504
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c del C:\Windows\{AEB6E~1.EXE > nul
            5⤵
            • Executes a command shell one-liner
            • System Location Discovery: System Language Discovery
            PID:696
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c del C:\Windows\{772BA~1.EXE > nul
          4⤵
          • 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\{E03CB~1.EXE > nul
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        PID:3892
    • 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:4092

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        {3001B075-F090-4a6b-BC44-ACE89798EF80}.exe

        • Path C:\Windows\{3001B075-F090-4a6b-BC44-ACE89798EF80}.exe
        • Size 79KB
        • SHA256 d90a51e56e65f6a29bc34c292e7c963dcb628409903ff56a7c20edabca022518
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {305BF138-36A8-44ff-BDD2-42192B2B723E}.exe

        • Path C:\Windows\{305BF138-36A8-44ff-BDD2-42192B2B723E}.exe
        • Size 79KB
        • SHA256 b3629f87925b64a19d73703649f78262fb2ca314dfc4e9c468857c1fe7d2cdc5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {48481EC5-C1B2-4c01-93AE-159FD9BF2E2F}.exe

        • Path C:\Windows\{48481EC5-C1B2-4c01-93AE-159FD9BF2E2F}.exe
        • Size 79KB
        • SHA256 15f1f782b9247421c5ada9ae2f98a03d35c4db94dfddbcf812b7cd0ddbc76859
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {772BAE8D-E1EF-42c4-8E5A-9828852F1B81}.exe

        • Path C:\Windows\{772BAE8D-E1EF-42c4-8E5A-9828852F1B81}.exe
        • Size 79KB
        • SHA256 54f09911546210d4069f966994b3d506185c043d6e693103932f757742bbce13
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {9280BCFE-88BD-48ba-A90C-7E6CDA65915A}.exe

        • Path C:\Windows\{9280BCFE-88BD-48ba-A90C-7E6CDA65915A}.exe
        • Size 79KB
        • SHA256 38163f68326e0cdd094fc0334f244d32f9db5b310b71f028cbfb38e563f76b4a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {AB4F1FBD-9802-4e96-94C2-0907EE13A562}.exe

        • Path C:\Windows\{AB4F1FBD-9802-4e96-94C2-0907EE13A562}.exe
        • Size 79KB
        • SHA256 70248e932bcc35ff8ef5722606272abb48d2987059d204f535ef20bc1279eb67
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {AEB6E559-B25E-4753-BA01-29EB7C4A0DDE}.exe

        • Path C:\Windows\{AEB6E559-B25E-4753-BA01-29EB7C4A0DDE}.exe
        • Size 79KB
        • SHA256 ea45589529308b5a50b9a53c7df4814dec4c0352aebbbe3d30287e2fb61b0888
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {BAA78C6A-39F4-4e89-86E4-AD74FC17D3A4}.exe

        • Path C:\Windows\{BAA78C6A-39F4-4e89-86E4-AD74FC17D3A4}.exe
        • Size 79KB
        • SHA256 9e1e1b1a646928a4d66408556da953382ea43ab1cb42fd02e4529e5ba273c6d4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D4B2DC5A-E63C-4620-85DB-997BCBB1747B}.exe

        • Path C:\Windows\{D4B2DC5A-E63C-4620-85DB-997BCBB1747B}.exe
        • Size 79KB
        • SHA256 ef128a2f1a67f8e11e6622c10a2f89b419c0c7bc6d65f0b0366d9396581d16e7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {D77AC74C-DB0C-451a-BC21-1CE78BD0A3B3}.exe

        • Path C:\Windows\{D77AC74C-DB0C-451a-BC21-1CE78BD0A3B3}.exe
        • Size 79KB
        • SHA256 d9ffefa4474d771e63b9268f776f91676fd7c15121453a913937f10e62a4a89b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {E03CBC9F-89EC-4764-9CE0-823AC5B55278}.exe

        • Path C:\Windows\{E03CBC9F-89EC-4764-9CE0-823AC5B55278}.exe
        • Size 79KB
        • SHA256 4db612193fb517a0dd1c985ab86948a950bfe1f20b22ba58854b134c4b196390
        • MD5 SHA1 SHA512 SSDEEP TLSH