Analysis
- max time kernel
150s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
24/10/2026, 13:35
General
- Target 2026-10-22_4f8c0dc76d3bfba5d0b4dc88df21ba4c_elex_remcos_wannacry.exe
- Size 64KB
- Sample261024-qvz97sfa72
- SHA256 5076c946af98b6699c43e1da82c4daaba35ce89e3812ffbaec6f7ad95b22a0e8
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 36 IoCs
- Detects Windows executables referencing non-Windows User-Agents 36 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\2026-10-22_4f8c0dc76d3bfba5d0b4dc88df21ba4c_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-22_4f8c0dc76d3bfba5d0b4dc88df21ba4c_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\{0E65251A-71EF-4558-94C0-8A783077E41C}.exeC:\Windows\{0E65251A-71EF-4558-94C0-8A783077E41C}.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\{B6F174BA-A79E-4df4-9D26-7B0C2852C148}.exeC:\Windows\{B6F174BA-A79E-4df4-9D26-7B0C2852C148}.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\{98456C1E-93EA-407d-A30E-09AF261EDFC3}.exeC:\Windows\{98456C1E-93EA-407d-A30E-09AF261EDFC3}.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\{A2F92FA6-DD46-4a56-B923-B4380B754BD3}.exeC:\Windows\{A2F92FA6-DD46-4a56-B923-B4380B754BD3}.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\{365942DA-77AA-4196-82F1-55772BBAE194}.exeC:\Windows\{365942DA-77AA-4196-82F1-55772BBAE194}.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\{ADA73E35-04EC-466c-90A8-85EC4F8D8D44}.exeC:\Windows\{ADA73E35-04EC-466c-90A8-85EC4F8D8D44}.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\{692A8F67-95B9-4631-9833-3C283E71B55A}.exeC:\Windows\{692A8F67-95B9-4631-9833-3C283E71B55A}.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\{990551E3-E40A-4698-86A7-3263C6CA905D}.exeC:\Windows\{990551E3-E40A-4698-86A7-3263C6CA905D}.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\{0539FA52-A8DE-4171-8F3F-672A62BC14BC}.exeC:\Windows\{0539FA52-A8DE-4171-8F3F-672A62BC14BC}.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\{77853B11-75D3-4865-AF0E-BD248B773972}.exeC:\Windows\{77853B11-75D3-4865-AF0E-BD248B773972}.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\{C353D6C5-79C3-44d0-99F2-DDDBB4687876}.exeC:\Windows\{C353D6C5-79C3-44d0-99F2-DDDBB4687876}.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\{77853~1.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\{0539F~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\{99055~1.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\{692A8~1.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\{ADA73~1.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\{36594~1.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\{A2F92~1.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\{98456~1.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\{B6F17~1.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\{0E652~1.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
{0539FA52-A8DE-4171-8F3F-672A62BC14BC}.exe
{0E65251A-71EF-4558-94C0-8A783077E41C}.exe
{365942DA-77AA-4196-82F1-55772BBAE194}.exe
{692A8F67-95B9-4631-9833-3C283E71B55A}.exe
{77853B11-75D3-4865-AF0E-BD248B773972}.exe
{98456C1E-93EA-407d-A30E-09AF261EDFC3}.exe
{990551E3-E40A-4698-86A7-3263C6CA905D}.exe
{A2F92FA6-DD46-4a56-B923-B4380B754BD3}.exe
{ADA73E35-04EC-466c-90A8-85EC4F8D8D44}.exe
{B6F174BA-A79E-4df4-9D26-7B0C2852C148}.exe
{C353D6C5-79C3-44d0-99F2-DDDBB4687876}.exe
memory/2144-40-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2144-35-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2740-1-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2740-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2740-7-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2944-56-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2944-49-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3340-71-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3340-65-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3340-63-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3616-78-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3780-76-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3780-70-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4572-55-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4572-61-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4896-21-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4896-26-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4988-14-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4988-19-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5044-47-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5044-42-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5412-12-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5412-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5624-28-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5624-33-0x0000000000400000-0x0000000000410000-memory.dmp