Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
18/08/2026, 12:43
General
- Target 2026-08-18_e66251309ed896df1ec465003b996851_elex_remcos_wannacry.exe
- Size 60KB
- Sample260818-pyay2sbl31
- SHA256 8c7c8f19a96c48cdb3b654bc05d83e681f6cdc76ca46c38cf53d189c4411e460
Score
10/10
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
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C:\Users\Admin\AppData\Local\Temp\2026-08-18_e66251309ed896df1ec465003b996851_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-18_e66251309ed896df1ec465003b996851_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\{2F58F44F-3EE1-4f6b-B180-5FD48D94B934}.exeC:\Windows\{2F58F44F-3EE1-4f6b-B180-5FD48D94B934}.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
-
C:\Windows\{E5D00C02-EBFD-41e1-873F-FEE5B5A6AFF1}.exeC:\Windows\{E5D00C02-EBFD-41e1-873F-FEE5B5A6AFF1}.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\{94DD9E23-408C-42df-B7D9-4E73951664B3}.exeC:\Windows\{94DD9E23-408C-42df-B7D9-4E73951664B3}.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\{049F0F2D-F585-42ec-83E4-B870D48BBB65}.exeC:\Windows\{049F0F2D-F585-42ec-83E4-B870D48BBB65}.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\{EF57C149-64C3-4a45-8F5F-0227C52AFEFD}.exeC:\Windows\{EF57C149-64C3-4a45-8F5F-0227C52AFEFD}.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\{08D48D13-149A-4b85-822C-C6C1DF53E879}.exeC:\Windows\{08D48D13-149A-4b85-822C-C6C1DF53E879}.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\{29938C33-CBED-4edf-9D51-3EA37C0F70C7}.exeC:\Windows\{29938C33-CBED-4edf-9D51-3EA37C0F70C7}.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\{C04E8500-5830-49ee-8043-04CFAE902ADA}.exeC:\Windows\{C04E8500-5830-49ee-8043-04CFAE902ADA}.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\{31AB4F36-A993-4e62-BD63-42F56A11EE95}.exeC:\Windows\{31AB4F36-A993-4e62-BD63-42F56A11EE95}.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\{3AB1EA58-4E8B-4005-B80E-8ED74393F6C0}.exeC:\Windows\{3AB1EA58-4E8B-4005-B80E-8ED74393F6C0}.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\{8DFD7057-6F1A-4976-B268-32324580E088}.exeC:\Windows\{8DFD7057-6F1A-4976-B268-32324580E088}.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\{3AB1E~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\{31AB4~1.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\{C04E8~1.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\{29938~1.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\{08D48~1.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\{EF57C~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\{049F0~1.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\{94DD9~1.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\{E5D00~1.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\{2F58F~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\2026-0~1.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
{049F0F2D-F585-42ec-83E4-B870D48BBB65}.exe
{08D48D13-149A-4b85-822C-C6C1DF53E879}.exe
{29938C33-CBED-4edf-9D51-3EA37C0F70C7}.exe
{2F58F44F-3EE1-4f6b-B180-5FD48D94B934}.exe
{31AB4F36-A993-4e62-BD63-42F56A11EE95}.exe
{3AB1EA58-4E8B-4005-B80E-8ED74393F6C0}.exe
{8DFD7057-6F1A-4976-B268-32324580E088}.exe
{94DD9E23-408C-42df-B7D9-4E73951664B3}.exe
{C04E8500-5830-49ee-8043-04CFAE902ADA}.exe
{E5D00C02-EBFD-41e1-873F-FEE5B5A6AFF1}.exe
{EF57C149-64C3-4a45-8F5F-0227C52AFEFD}.exe