Analysis
- max time kernel
148s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
05/09/2026, 20:11
General
- Target 2026-09-03_f98338cdf1df3e8aa3de5dd3b8b629a7_elex_remcos_wannacry.exe
- Size 64KB
- Sample260905-yygw2ahp21
- SHA256 ac335be76e16d81339cb2a6eeda43d0037d424d1b5c6551a9167f0aabbaed8e9
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\2026-09-03_f98338cdf1df3e8aa3de5dd3b8b629a7_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-03_f98338cdf1df3e8aa3de5dd3b8b629a7_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\{6FAB6D75-F9B1-4be7-A172-C341793A87D1}.exeC:\Windows\{6FAB6D75-F9B1-4be7-A172-C341793A87D1}.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\{39E0D8C3-3771-4ab9-B934-88545F6F8D74}.exeC:\Windows\{39E0D8C3-3771-4ab9-B934-88545F6F8D74}.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\{F82080F2-CF66-4b79-BE29-1401B0DED154}.exeC:\Windows\{F82080F2-CF66-4b79-BE29-1401B0DED154}.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\{C6031871-2BC4-49bf-92B6-53A9CEA77DA0}.exeC:\Windows\{C6031871-2BC4-49bf-92B6-53A9CEA77DA0}.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\{28E02AEC-14CA-4f66-857D-25CC76BDD616}.exeC:\Windows\{28E02AEC-14CA-4f66-857D-25CC76BDD616}.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\{A651C334-0B15-4719-8C0A-5440AE34596A}.exeC:\Windows\{A651C334-0B15-4719-8C0A-5440AE34596A}.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\{01EB4403-6C50-4ff6-981E-04BA9B6B59C6}.exeC:\Windows\{01EB4403-6C50-4ff6-981E-04BA9B6B59C6}.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\{4603B4AA-6E64-4507-AF46-361F89AF8DD3}.exeC:\Windows\{4603B4AA-6E64-4507-AF46-361F89AF8DD3}.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\{58AF8846-4599-4bc5-8799-9847FAAAD2E1}.exeC:\Windows\{58AF8846-4599-4bc5-8799-9847FAAAD2E1}.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\{9F1591F4-15F4-4e8d-A583-177157241DB1}.exeC:\Windows\{9F1591F4-15F4-4e8d-A583-177157241DB1}.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\{C26D85FD-20FA-4a54-BF1F-D9E4926933EF}.exeC:\Windows\{C26D85FD-20FA-4a54-BF1F-D9E4926933EF}.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\{9F159~1.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\{58AF8~1.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\{4603B~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\{01EB4~1.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\{A651C~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\{28E02~1.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\{C6031~1.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\{F8208~1.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\{39E0D~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\{6FAB6~1.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\2026-0~1.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
{01EB4403-6C50-4ff6-981E-04BA9B6B59C6}.exe
{28E02AEC-14CA-4f66-857D-25CC76BDD616}.exe
{39E0D8C3-3771-4ab9-B934-88545F6F8D74}.exe
{4603B4AA-6E64-4507-AF46-361F89AF8DD3}.exe
{58AF8846-4599-4bc5-8799-9847FAAAD2E1}.exe
{6FAB6D75-F9B1-4be7-A172-C341793A87D1}.exe
{9F1591F4-15F4-4e8d-A583-177157241DB1}.exe
{A651C334-0B15-4719-8C0A-5440AE34596A}.exe
{C26D85FD-20FA-4a54-BF1F-D9E4926933EF}.exe
{C6031871-2BC4-49bf-92B6-53A9CEA77DA0}.exe
{F82080F2-CF66-4b79-BE29-1401B0DED154}.exe
memory/388-21-0x0000000000400000-0x0000000000410000-memory.dmp
memory/388-28-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1064-64-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1064-69-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2444-12-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2444-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2732-54-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2732-49-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2836-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2836-1-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2836-8-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3620-42-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3620-47-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4416-33-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4416-27-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4608-78-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4736-14-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4736-19-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4940-35-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4940-40-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5036-71-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5036-77-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5096-63-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5096-58-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5096-56-0x0000000000400000-0x0000000000410000-memory.dmp