Analysis
- max time kernel
149s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
29/10/2026, 17:51
General
- Target 2026-10-29_04f3bcea91e33d1c838758a53dbe7015_elex_remcos_wannacry.exe
- Size 60KB
- Sample261029-wfja2adv5v
- SHA256 03c3267759f3a89d1ed61c88f3a0914834abbea3593aaba2f573a6eb59002329
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
- Custom signatureDetects 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\2026-10-29_04f3bcea91e33d1c838758a53dbe7015_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-29_04f3bcea91e33d1c838758a53dbe7015_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\{EDC39371-1548-410b-97FB-CB16E51B1373}.exeC:\Windows\{EDC39371-1548-410b-97FB-CB16E51B1373}.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\{8A3F86D5-DEE3-4956-B795-AE1A556F3AC6}.exeC:\Windows\{8A3F86D5-DEE3-4956-B795-AE1A556F3AC6}.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\{256FC861-BA06-4b12-B131-474CD2621473}.exeC:\Windows\{256FC861-BA06-4b12-B131-474CD2621473}.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\{017C7F30-CF3B-4a5d-A0CB-E82A8D31E66D}.exeC:\Windows\{017C7F30-CF3B-4a5d-A0CB-E82A8D31E66D}.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\{C91A6D74-7158-494e-8818-DBF074C5958E}.exeC:\Windows\{C91A6D74-7158-494e-8818-DBF074C5958E}.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\{5717D720-3391-4dbc-9002-754944C0564F}.exeC:\Windows\{5717D720-3391-4dbc-9002-754944C0564F}.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\{28487F6E-A9B9-4e33-B95C-343EA49C24D1}.exeC:\Windows\{28487F6E-A9B9-4e33-B95C-343EA49C24D1}.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\{23CB1980-FE0E-419e-B65A-C5FF2A8F95C1}.exeC:\Windows\{23CB1980-FE0E-419e-B65A-C5FF2A8F95C1}.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\{E2014DB6-5C4D-4991-93E3-EC9C80469376}.exeC:\Windows\{E2014DB6-5C4D-4991-93E3-EC9C80469376}.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\{C5ED12DF-321E-4b1a-BD86-957DEB982B79}.exeC:\Windows\{C5ED12DF-321E-4b1a-BD86-957DEB982B79}.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\{0DA32F70-EC0E-479d-87EB-BF4F0F7C181E}.exeC:\Windows\{0DA32F70-EC0E-479d-87EB-BF4F0F7C181E}.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\{C5ED1~1.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\{E2014~1.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\{23CB1~1.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\{28487~1.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\{5717D~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\{C91A6~1.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\{017C7~1.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\{256FC~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\{8A3F8~1.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\{EDC39~1.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
{017C7F30-CF3B-4a5d-A0CB-E82A8D31E66D}.exe
{0DA32F70-EC0E-479d-87EB-BF4F0F7C181E}.exe
{23CB1980-FE0E-419e-B65A-C5FF2A8F95C1}.exe
{256FC861-BA06-4b12-B131-474CD2621473}.exe
{28487F6E-A9B9-4e33-B95C-343EA49C24D1}.exe
{5717D720-3391-4dbc-9002-754944C0564F}.exe
{8A3F86D5-DEE3-4956-B795-AE1A556F3AC6}.exe
{C5ED12DF-321E-4b1a-BD86-957DEB982B79}.exe
{C91A6D74-7158-494e-8818-DBF074C5958E}.exe
{E2014DB6-5C4D-4991-93E3-EC9C80469376}.exe
{EDC39371-1548-410b-97FB-CB16E51B1373}.exe