Analysis
- max time kernel
148s - max time network
143s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
20/10/2026, 02:21
General
- Target 2026-10-20_fdf74e87895cfd086088bf3018e7d926_elex_remcos_wannacry.exe
- Size 60KB
- Sample261020-ctfyaats3p
- SHA256 cc0ab68768edb8bda5587e021f5bf3a28fb86240a8c7fbf01797c686a93946d6
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\2026-10-20_fdf74e87895cfd086088bf3018e7d926_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-20_fdf74e87895cfd086088bf3018e7d926_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\{FB08A85D-776B-4dfa-AEC7-CD757CE7F353}.exeC:\Windows\{FB08A85D-776B-4dfa-AEC7-CD757CE7F353}.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\{C4988144-0145-41f9-A8FA-AB5A44E33470}.exeC:\Windows\{C4988144-0145-41f9-A8FA-AB5A44E33470}.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\{D1A0E6AB-02FE-4dde-8A14-4C489224E9EB}.exeC:\Windows\{D1A0E6AB-02FE-4dde-8A14-4C489224E9EB}.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\{4A6F0B1C-5417-4b33-98B2-B7417313DED7}.exeC:\Windows\{4A6F0B1C-5417-4b33-98B2-B7417313DED7}.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\{DBF63C80-9F09-4b3e-954E-F10E72C0ABCC}.exeC:\Windows\{DBF63C80-9F09-4b3e-954E-F10E72C0ABCC}.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\{457388DB-CF7F-4092-B55B-27ED74506362}.exeC:\Windows\{457388DB-CF7F-4092-B55B-27ED74506362}.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\{59776CF1-443C-479d-AE2B-B2674C5AD9DE}.exeC:\Windows\{59776CF1-443C-479d-AE2B-B2674C5AD9DE}.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\{D8B94A59-117D-4ecc-B4AC-50229B8F916A}.exeC:\Windows\{D8B94A59-117D-4ecc-B4AC-50229B8F916A}.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\{3ACF9F8A-CFD8-4af9-A9F4-A51884EE5A13}.exeC:\Windows\{3ACF9F8A-CFD8-4af9-A9F4-A51884EE5A13}.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\{65F94C75-CF13-45e8-BC8F-7EFE35AF11A6}.exeC:\Windows\{65F94C75-CF13-45e8-BC8F-7EFE35AF11A6}.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\{5B766F11-E66A-4b9f-88AF-F615C59999E1}.exeC:\Windows\{5B766F11-E66A-4b9f-88AF-F615C59999E1}.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\{65F94~1.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\{3ACF9~1.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\{D8B94~1.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\{59776~1.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\{45738~1.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\{DBF63~1.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\{4A6F0~1.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\{D1A0E~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\{C4988~1.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\{FB08A~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
{3ACF9F8A-CFD8-4af9-A9F4-A51884EE5A13}.exe
{457388DB-CF7F-4092-B55B-27ED74506362}.exe
{4A6F0B1C-5417-4b33-98B2-B7417313DED7}.exe
{59776CF1-443C-479d-AE2B-B2674C5AD9DE}.exe
{5B766F11-E66A-4b9f-88AF-F615C59999E1}.exe
{65F94C75-CF13-45e8-BC8F-7EFE35AF11A6}.exe
{C4988144-0145-41f9-A8FA-AB5A44E33470}.exe
{D1A0E6AB-02FE-4dde-8A14-4C489224E9EB}.exe
{D8B94A59-117D-4ecc-B4AC-50229B8F916A}.exe
{DBF63C80-9F09-4b3e-954E-F10E72C0ABCC}.exe
{FB08A85D-776B-4dfa-AEC7-CD757CE7F353}.exe