Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
10/08/2026, 12:27
General
- Target 2026-08-10_15cb25826a59d95f0e6573357d3f87ab_elex_remcos_wannacry.exe
- Size 64KB
- Sample260810-pmvt3stwbx
- SHA256 618cfda097123e51bbfd808d470d8e98d2d1f9d888a8705bc529013b7df1ec92
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 17 IoCs
- Detects Windows executables referencing non-Windows User-Agents 17 IoCs
- Boot or Logon Autostart Execution: Active Setup 2 TTPs 10 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
- Executes dropped EXE 5 IoCs
- Drops file in Windows directory 5 IoCs
- Executes a command shell one-liner 1 TTPs 5 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 11 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 5 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-08-10_15cb25826a59d95f0e6573357d3f87ab_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-10_15cb25826a59d95f0e6573357d3f87ab_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\{A6E2D649-6651-475b-A76E-5A99DE2891BA}.exeC:\Windows\{A6E2D649-6651-475b-A76E-5A99DE2891BA}.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\{CF749B19-0AB1-4daa-BAE4-283DA102B8E0}.exeC:\Windows\{CF749B19-0AB1-4daa-BAE4-283DA102B8E0}.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\{AF2D4363-5552-4cfd-B9D8-8C41235F4DD7}.exeC:\Windows\{AF2D4363-5552-4cfd-B9D8-8C41235F4DD7}.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\{C4F812CF-48BB-428e-834B-493743DEFC96}.exeC:\Windows\{C4F812CF-48BB-428e-834B-493743DEFC96}.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\{247BAF2E-1ED6-4124-942C-9B97FB4C3A3A}.exeC:\Windows\{247BAF2E-1ED6-4124-942C-9B97FB4C3A3A}.exe6⤵
- 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\{C4F81~1.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\{AF2D4~1.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\{CF749~1.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\{A6E2D~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
{247BAF2E-1ED6-4124-942C-9B97FB4C3A3A}.exe
{A6E2D649-6651-475b-A76E-5A99DE2891BA}.exe
{AF2D4363-5552-4cfd-B9D8-8C41235F4DD7}.exe
{C4F812CF-48BB-428e-834B-493743DEFC96}.exe
{CF749B19-0AB1-4daa-BAE4-283DA102B8E0}.exe
memory/1208-14-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1208-17-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1256-23-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1480-31-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2608-5-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2608-8-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2608-12-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2800-7-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2800-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2800-1-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4272-25-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4272-29-0x0000000000400000-0x0000000000410000-memory.dmp