Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
31/07/2026, 09:46
General
- Target 2026-07-31_0fc4469553a2fea8576bced46316e262_elex_remcos_wannacry.exe
- Size 60KB
- Sample260731-lr35gagc39
- SHA256 bb74e7c61ca7a94ad3d3fdc9769df7788f62729038f2a96c4f0d82e1d045644c
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\2026-07-31_0fc4469553a2fea8576bced46316e262_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-31_0fc4469553a2fea8576bced46316e262_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\{06A734EE-3D54-4b4c-8CD4-9561AA74CD9B}.exeC:\Windows\{06A734EE-3D54-4b4c-8CD4-9561AA74CD9B}.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\{D2B0D31F-7D7E-44db-A273-483D2C1B94D6}.exeC:\Windows\{D2B0D31F-7D7E-44db-A273-483D2C1B94D6}.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\{ABFC269A-F969-4f21-92A8-1A9A199C85FD}.exeC:\Windows\{ABFC269A-F969-4f21-92A8-1A9A199C85FD}.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\{5FF1A685-FDF3-4727-A5A5-86159C987386}.exeC:\Windows\{5FF1A685-FDF3-4727-A5A5-86159C987386}.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\{912A7A3C-9E36-4a83-8B62-0C4F3D9E9714}.exeC:\Windows\{912A7A3C-9E36-4a83-8B62-0C4F3D9E9714}.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\{19F323B2-9410-44cb-B109-AB4C45E25444}.exeC:\Windows\{19F323B2-9410-44cb-B109-AB4C45E25444}.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\{68877F38-ED5A-4195-B722-36D7B8AA92B5}.exeC:\Windows\{68877F38-ED5A-4195-B722-36D7B8AA92B5}.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\{21211EFC-BC97-4880-840A-BD1896A14E31}.exeC:\Windows\{21211EFC-BC97-4880-840A-BD1896A14E31}.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\{B811B858-9A64-4b0a-AF58-9E6FCB74CE94}.exeC:\Windows\{B811B858-9A64-4b0a-AF58-9E6FCB74CE94}.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\{115168E5-3FBB-48bd-A052-02516E5BF8E4}.exeC:\Windows\{115168E5-3FBB-48bd-A052-02516E5BF8E4}.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\{E5D62D14-5D9C-4d9a-9831-83FDF9B2D7DE}.exeC:\Windows\{E5D62D14-5D9C-4d9a-9831-83FDF9B2D7DE}.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\{11516~1.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\{B811B~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\{21211~1.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\{68877~1.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\{19F32~1.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\{912A7~1.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\{5FF1A~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\{ABFC2~1.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\{D2B0D~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\{06A73~1.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
{06A734EE-3D54-4b4c-8CD4-9561AA74CD9B}.exe
{115168E5-3FBB-48bd-A052-02516E5BF8E4}.exe
{19F323B2-9410-44cb-B109-AB4C45E25444}.exe
{21211EFC-BC97-4880-840A-BD1896A14E31}.exe
{5FF1A685-FDF3-4727-A5A5-86159C987386}.exe
{68877F38-ED5A-4195-B722-36D7B8AA92B5}.exe
{912A7A3C-9E36-4a83-8B62-0C4F3D9E9714}.exe
{ABFC269A-F969-4f21-92A8-1A9A199C85FD}.exe
{B811B858-9A64-4b0a-AF58-9E6FCB74CE94}.exe
{D2B0D31F-7D7E-44db-A273-483D2C1B94D6}.exe
{E5D62D14-5D9C-4d9a-9831-83FDF9B2D7DE}.exe