Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
09/08/2026, 23:48
General
- Target 2026-08-09_a9c962fed0526e279c2d7f321f734499_elex_remcos_wannacry.exe
- Size 64KB
- Sample260809-3tp43axena
- SHA256 7c2de67b6baf072ae6248a18b4269fb507e43125aa945f0b7cda0eefc07360ac
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\2026-08-09_a9c962fed0526e279c2d7f321f734499_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-09_a9c962fed0526e279c2d7f321f734499_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\{DA8DDF79-2BA8-4623-B4D8-8421518D5405}.exeC:\Windows\{DA8DDF79-2BA8-4623-B4D8-8421518D5405}.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\{97220F1C-219A-416e-AC3D-5D55C7E78969}.exeC:\Windows\{97220F1C-219A-416e-AC3D-5D55C7E78969}.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\{E14E34C1-E335-4979-9ADD-E46D26AF7700}.exeC:\Windows\{E14E34C1-E335-4979-9ADD-E46D26AF7700}.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\{8554F6B7-1D88-42d7-ABA5-0A16AD4E8B5A}.exeC:\Windows\{8554F6B7-1D88-42d7-ABA5-0A16AD4E8B5A}.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\{B66DCEB8-9C23-4f57-8509-C2E582AF0A00}.exeC:\Windows\{B66DCEB8-9C23-4f57-8509-C2E582AF0A00}.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\{8554F~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\{E14E3~1.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\{97220~1.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\{DA8DD~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
{8554F6B7-1D88-42d7-ABA5-0A16AD4E8B5A}.exe
{97220F1C-219A-416e-AC3D-5D55C7E78969}.exe
{B66DCEB8-9C23-4f57-8509-C2E582AF0A00}.exe
{DA8DDF79-2BA8-4623-B4D8-8421518D5405}.exe
{E14E34C1-E335-4979-9ADD-E46D26AF7700}.exe
memory/3908-12-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3908-5-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3908-8-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4616-24-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4616-31-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4664-29-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4700-22-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5392-14-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5392-18-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5456-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5456-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5456-1-0x0000000000400000-0x0000000000410000-memory.dmp