Analysis
- max time kernel
148s - max time network
124s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
24/10/2026, 02:01
General
- Target 2026-10-22_a4b16687e7daf0889ee77c7e7b6f2b9a_elex_remcos_wannacry.exe
- Size 64KB
- Sample261024-cf1qjaea59
- SHA256 19cb73979e0ae6bf6508cabce12c3777a0e9e1bde55e47cdbe7fbe2fd1ecba42
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 35 IoCs
- Detects Windows executables referencing non-Windows User-Agents 35 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
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C:\Users\Admin\AppData\Local\Temp\2026-10-22_a4b16687e7daf0889ee77c7e7b6f2b9a_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-22_a4b16687e7daf0889ee77c7e7b6f2b9a_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
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C:\Windows\{003C75AB-6BB6-4d5f-9D82-73ED2F33D48A}.exeC:\Windows\{003C75AB-6BB6-4d5f-9D82-73ED2F33D48A}.exe2⤵
- 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
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C:\Windows\{E5E224EA-2404-4576-979E-0AF6CBBAA6EC}.exeC:\Windows\{E5E224EA-2404-4576-979E-0AF6CBBAA6EC}.exe3⤵
- 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
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C:\Windows\{2D00C348-7A09-4975-99BD-8F4DF44B63D5}.exeC:\Windows\{2D00C348-7A09-4975-99BD-8F4DF44B63D5}.exe4⤵
- 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
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C:\Windows\{EF8615AE-EA30-4bf0-B509-C91FA2AE8B99}.exeC:\Windows\{EF8615AE-EA30-4bf0-B509-C91FA2AE8B99}.exe5⤵
- 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
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C:\Windows\{619B443E-7F0D-4864-80C0-94DFEC4B5930}.exeC:\Windows\{619B443E-7F0D-4864-80C0-94DFEC4B5930}.exe6⤵
- 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
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C:\Windows\{4AA9E54E-90A7-46fe-A8D3-996A1B95C19E}.exeC:\Windows\{4AA9E54E-90A7-46fe-A8D3-996A1B95C19E}.exe7⤵
- 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
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C:\Windows\{451FD772-D1B6-47ca-8FA1-7D8A663073F8}.exeC:\Windows\{451FD772-D1B6-47ca-8FA1-7D8A663073F8}.exe8⤵
- 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
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C:\Windows\{1CDEBB2D-2C36-4a0b-ABFB-2D3975E03903}.exeC:\Windows\{1CDEBB2D-2C36-4a0b-ABFB-2D3975E03903}.exe9⤵
- 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
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C:\Windows\{DFDC4943-989B-4319-9392-88420B3629EE}.exeC:\Windows\{DFDC4943-989B-4319-9392-88420B3629EE}.exe10⤵
- 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
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C:\Windows\{8E8B4A85-CFF6-4fcd-86D6-DBED54B04999}.exeC:\Windows\{8E8B4A85-CFF6-4fcd-86D6-DBED54B04999}.exe11⤵
- 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
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C:\Windows\{8CF969C0-D8BA-4def-8943-97BD0347156A}.exeC:\Windows\{8CF969C0-D8BA-4def-8943-97BD0347156A}.exe12⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{8E8B4~1.EXE > nul12⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{DFDC4~1.EXE > nul11⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{1CDEB~1.EXE > nul10⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{451FD~1.EXE > nul9⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{4AA9E~1.EXE > nul8⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{619B4~1.EXE > nul7⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{EF861~1.EXE > nul6⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{2D00C~1.EXE > nul5⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{E5E22~1.EXE > nul4⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{003C7~1.EXE > nul3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2026-1~1.EXE > nul2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
{003C75AB-6BB6-4d5f-9D82-73ED2F33D48A}.exe
{1CDEBB2D-2C36-4a0b-ABFB-2D3975E03903}.exe
{2D00C348-7A09-4975-99BD-8F4DF44B63D5}.exe
{451FD772-D1B6-47ca-8FA1-7D8A663073F8}.exe
{4AA9E54E-90A7-46fe-A8D3-996A1B95C19E}.exe
{619B443E-7F0D-4864-80C0-94DFEC4B5930}.exe
{8CF969C0-D8BA-4def-8943-97BD0347156A}.exe
{8E8B4A85-CFF6-4fcd-86D6-DBED54B04999}.exe
{DFDC4943-989B-4319-9392-88420B3629EE}.exe
{E5E224EA-2404-4576-979E-0AF6CBBAA6EC}.exe
{EF8615AE-EA30-4bf0-B509-C91FA2AE8B99}.exe
memory/1088-68-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1088-63-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2500-35-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2500-40-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2636-26-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2636-21-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3536-48-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3536-42-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3824-77-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4124-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4124-12-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4200-56-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4200-61-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4528-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4528-1-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4528-7-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4580-33-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4580-28-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5296-19-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5296-14-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5700-70-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5700-75-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5752-54-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5752-49-0x0000000000400000-0x0000000000410000-memory.dmp