Analysis
- max time kernel
149s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
24/10/2026, 00:29
General
- Target 2026-10-22_af031cf029df397ac334e7028a8e2715_elex_remcos_wannacry.exe
- Size 60KB
- Sample261024-atc6aaws7r
- SHA256 ea2e3cc323ecc6fe4670009e5d3f9c00cab6b0c76ccc9de40fbf4ac41321cb40
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 4 IoCs
- Detects Windows executables referencing non-Windows User-Agents 4 IoCs
- Boot or Logon Autostart Execution: Active Setup 2 TTPs 8 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
- Executes dropped EXE 4 IoCs
- Drops file in Windows directory 4 IoCs
- Executes a command shell one-liner 1 TTPs 4 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 9 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 4 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-10-22_af031cf029df397ac334e7028a8e2715_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-22_af031cf029df397ac334e7028a8e2715_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\{D11831EA-0126-4358-996E-C6350BC5B5C7}.exeC:\Windows\{D11831EA-0126-4358-996E-C6350BC5B5C7}.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\{E1734813-18A6-4099-82B9-03DA1C6400EC}.exeC:\Windows\{E1734813-18A6-4099-82B9-03DA1C6400EC}.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\{552B4724-F5D5-4835-BB5F-9783C692F95C}.exeC:\Windows\{552B4724-F5D5-4835-BB5F-9783C692F95C}.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\{257D8166-891F-4b49-8DCA-726D288CC6DF}.exeC:\Windows\{257D8166-891F-4b49-8DCA-726D288CC6DF}.exe5⤵
- 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\{552B4~1.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\{E1734~1.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\{D1183~1.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
{257D8166-891F-4b49-8DCA-726D288CC6DF}.exe
{552B4724-F5D5-4835-BB5F-9783C692F95C}.exe
{D11831EA-0126-4358-996E-C6350BC5B5C7}.exe
{E1734813-18A6-4099-82B9-03DA1C6400EC}.exe