Analysis
- max time kernel
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
31/07/2026, 14:05
General
- Target 2026-07-31_9110844c43b63e4c268948249e7a2a12_elex_remcos_wannacry.exe
- Size 64KB
- Sample260731-rd6akabe98
- SHA256 7368e98c46e70896914952e429db2dbf250fe371b74c6c2f3ed6818102d2c55d
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 37 IoCs
- Detects Windows executables referencing non-Windows User-Agents 37 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_9110844c43b63e4c268948249e7a2a12_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-31_9110844c43b63e4c268948249e7a2a12_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\{A584FC41-223A-446a-A15C-08C11BD20C15}.exeC:\Windows\{A584FC41-223A-446a-A15C-08C11BD20C15}.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\{A3838971-2FCA-4a79-920F-6B29614E51E8}.exeC:\Windows\{A3838971-2FCA-4a79-920F-6B29614E51E8}.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\{E995CCCB-8C39-4e87-8AD0-948AD9856A96}.exeC:\Windows\{E995CCCB-8C39-4e87-8AD0-948AD9856A96}.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\{AB19865F-A946-42ed-B9C1-13EF83590A28}.exeC:\Windows\{AB19865F-A946-42ed-B9C1-13EF83590A28}.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\{F889734D-02F9-4fe0-8F77-31AB83414415}.exeC:\Windows\{F889734D-02F9-4fe0-8F77-31AB83414415}.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\{6DCFB8F3-B85C-4d8d-BBAB-4F5251110553}.exeC:\Windows\{6DCFB8F3-B85C-4d8d-BBAB-4F5251110553}.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\{359BAA4D-0603-459a-8D61-6011C80A20B8}.exeC:\Windows\{359BAA4D-0603-459a-8D61-6011C80A20B8}.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\{23A75E76-4033-4abe-8964-9ED4202E338A}.exeC:\Windows\{23A75E76-4033-4abe-8964-9ED4202E338A}.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\{3E4E4146-D9DB-47c7-8ED8-15B4BD62CB02}.exeC:\Windows\{3E4E4146-D9DB-47c7-8ED8-15B4BD62CB02}.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\{CC0BCDC3-412F-4de4-B1B5-C09E6AD2659E}.exeC:\Windows\{CC0BCDC3-412F-4de4-B1B5-C09E6AD2659E}.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\{DDCC3E42-429C-456d-80E2-2D09E012F998}.exeC:\Windows\{DDCC3E42-429C-456d-80E2-2D09E012F998}.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\{CC0BC~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\{3E4E4~1.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\{23A75~1.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\{359BA~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\{6DCFB~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\{F8897~1.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\{AB198~1.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\{E995C~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\{A3838~1.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\{A584F~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
{23A75E76-4033-4abe-8964-9ED4202E338A}.exe
{359BAA4D-0603-459a-8D61-6011C80A20B8}.exe
{3E4E4146-D9DB-47c7-8ED8-15B4BD62CB02}.exe
{6DCFB8F3-B85C-4d8d-BBAB-4F5251110553}.exe
{A3838971-2FCA-4a79-920F-6B29614E51E8}.exe
{A584FC41-223A-446a-A15C-08C11BD20C15}.exe
{AB19865F-A946-42ed-B9C1-13EF83590A28}.exe
{CC0BCDC3-412F-4de4-B1B5-C09E6AD2659E}.exe
{DDCC3E42-429C-456d-80E2-2D09E012F998}.exe
{E995CCCB-8C39-4e87-8AD0-948AD9856A96}.exe
{F889734D-02F9-4fe0-8F77-31AB83414415}.exe
memory/2556-15-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2556-20-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3336-58-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3336-63-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3344-43-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3344-48-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3448-35-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3448-42-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3476-50-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3476-57-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3476-52-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3668-65-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3668-71-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4188-13-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4188-9-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4188-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4560-29-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4560-36-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4940-27-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4940-22-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5364-7-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5364-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5364-1-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5540-72-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5540-77-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5760-79-0x0000000000400000-0x0000000000410000-memory.dmp