Analysis
- max time kernel
148s - max time network
142s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
17/10/2026, 12:44
General
- Target 2026-10-16_891d1e60283422742d80811a7a285a86_elex_remcos_wannacry.exe
- Size 60KB
- Sample261017-pyfvasfa22
- SHA256 fefc0a2562c0bc18de37e0200c7bdbd6c9bfa65aa81abb4f811545b6ae03c388
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\2026-10-16_891d1e60283422742d80811a7a285a86_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-16_891d1e60283422742d80811a7a285a86_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\{A589C19F-9672-4d71-8AD0-41B179026E48}.exeC:\Windows\{A589C19F-9672-4d71-8AD0-41B179026E48}.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\{55521E7C-1E48-4033-9003-A543CD2EC8F6}.exeC:\Windows\{55521E7C-1E48-4033-9003-A543CD2EC8F6}.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\{F093CD5A-950F-4983-9FFF-FA53DC1E9933}.exeC:\Windows\{F093CD5A-950F-4983-9FFF-FA53DC1E9933}.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\{AF5D3F51-0BB9-435d-987C-D6280E9DA5FB}.exeC:\Windows\{AF5D3F51-0BB9-435d-987C-D6280E9DA5FB}.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\{5733E9E3-FC08-4143-B5FE-ADC7814F8C03}.exeC:\Windows\{5733E9E3-FC08-4143-B5FE-ADC7814F8C03}.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\{8D237CE4-D1DE-4051-A680-77130A7C2633}.exeC:\Windows\{8D237CE4-D1DE-4051-A680-77130A7C2633}.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\{42AD02D2-2685-4e1f-982B-78A923831537}.exeC:\Windows\{42AD02D2-2685-4e1f-982B-78A923831537}.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\{D0BE513D-64FA-401d-82E8-1D0F705EBD89}.exeC:\Windows\{D0BE513D-64FA-401d-82E8-1D0F705EBD89}.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\{ECC967E4-BC7F-4867-805A-947FA1F11C2D}.exeC:\Windows\{ECC967E4-BC7F-4867-805A-947FA1F11C2D}.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\{9CC581D5-CFF5-4e03-B7E5-7BDA60F2D4B2}.exeC:\Windows\{9CC581D5-CFF5-4e03-B7E5-7BDA60F2D4B2}.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\{49057329-0DD5-4c9d-B510-57CAF92F479B}.exeC:\Windows\{49057329-0DD5-4c9d-B510-57CAF92F479B}.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\{9CC58~1.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\{ECC96~1.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\{D0BE5~1.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\{42AD0~1.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\{8D237~1.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\{5733E~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\{AF5D3~1.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\{F093C~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\{55521~1.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\{A589C~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
{42AD02D2-2685-4e1f-982B-78A923831537}.exe
{49057329-0DD5-4c9d-B510-57CAF92F479B}.exe
{55521E7C-1E48-4033-9003-A543CD2EC8F6}.exe
{5733E9E3-FC08-4143-B5FE-ADC7814F8C03}.exe
{8D237CE4-D1DE-4051-A680-77130A7C2633}.exe
{9CC581D5-CFF5-4e03-B7E5-7BDA60F2D4B2}.exe
{A589C19F-9672-4d71-8AD0-41B179026E48}.exe
{AF5D3F51-0BB9-435d-987C-D6280E9DA5FB}.exe
{D0BE513D-64FA-401d-82E8-1D0F705EBD89}.exe
{ECC967E4-BC7F-4867-805A-947FA1F11C2D}.exe
{F093CD5A-950F-4983-9FFF-FA53DC1E9933}.exe