Analysis
- max time kernel
148s - max time network
134s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
31/07/2026, 15:05
General
- Target 2026-07-31_043a1e485755e50e441c84084f7981c1_elex_remcos_wannacry.exe
- Size 64KB
- Sample260731-sge38avfph
- SHA256 fd1784b544da7acdf3c27d55708014a1ffbcb0f7effb48a1a8773557d53730cc
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\2026-07-31_043a1e485755e50e441c84084f7981c1_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-31_043a1e485755e50e441c84084f7981c1_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\{BF67F039-87AD-41a1-8121-2A27E0686BB7}.exeC:\Windows\{BF67F039-87AD-41a1-8121-2A27E0686BB7}.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\{9C3F2B8F-2D9E-4f9f-885E-5D026658ADC0}.exeC:\Windows\{9C3F2B8F-2D9E-4f9f-885E-5D026658ADC0}.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\{75DFC6F3-F73A-4e25-8030-FA827776E342}.exeC:\Windows\{75DFC6F3-F73A-4e25-8030-FA827776E342}.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\{F4778302-25DD-4229-BAA1-069F1B2986DA}.exeC:\Windows\{F4778302-25DD-4229-BAA1-069F1B2986DA}.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\{3889280E-FFA6-4fbe-99B9-D9DDF7807718}.exeC:\Windows\{3889280E-FFA6-4fbe-99B9-D9DDF7807718}.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\{281CA12B-6A96-4d9e-9E8B-92EA375968A3}.exeC:\Windows\{281CA12B-6A96-4d9e-9E8B-92EA375968A3}.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\{90331BC8-2D6F-42e1-87EB-5F3A649C841A}.exeC:\Windows\{90331BC8-2D6F-42e1-87EB-5F3A649C841A}.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\{5C5AFD84-57A6-46c5-AEC0-9429C2DF4E99}.exeC:\Windows\{5C5AFD84-57A6-46c5-AEC0-9429C2DF4E99}.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\{09B30F28-9CAE-4c92-850F-935F399EF515}.exeC:\Windows\{09B30F28-9CAE-4c92-850F-935F399EF515}.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\{5940D188-2DFD-460c-82FD-887C97A808D3}.exeC:\Windows\{5940D188-2DFD-460c-82FD-887C97A808D3}.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\{AF198608-D6A3-41c8-BF25-053CE6722048}.exeC:\Windows\{AF198608-D6A3-41c8-BF25-053CE6722048}.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\{5940D~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\{09B30~1.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\{5C5AF~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\{90331~1.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\{281CA~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\{38892~1.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\{F4778~1.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\{75DFC~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\{9C3F2~1.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\{BF67F~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
{09B30F28-9CAE-4c92-850F-935F399EF515}.exe
{281CA12B-6A96-4d9e-9E8B-92EA375968A3}.exe
{3889280E-FFA6-4fbe-99B9-D9DDF7807718}.exe
{5940D188-2DFD-460c-82FD-887C97A808D3}.exe
{5C5AFD84-57A6-46c5-AEC0-9429C2DF4E99}.exe
{75DFC6F3-F73A-4e25-8030-FA827776E342}.exe
{90331BC8-2D6F-42e1-87EB-5F3A649C841A}.exe
{9C3F2B8F-2D9E-4f9f-885E-5D026658ADC0}.exe
{AF198608-D6A3-41c8-BF25-053CE6722048}.exe
{BF67F039-87AD-41a1-8121-2A27E0686BB7}.exe
{F4778302-25DD-4229-BAA1-069F1B2986DA}.exe
memory/812-48-0x0000000000400000-0x0000000000410000-memory.dmp
memory/812-43-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1428-57-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1428-50-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2116-35-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2116-28-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2188-29-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2188-22-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2924-76-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2924-70-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3032-64-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3032-71-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3796-15-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3796-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4220-62-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4220-56-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4652-41-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4652-36-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4736-78-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4788-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4788-8-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4788-1-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5892-20-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5892-16-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5892-13-0x0000000000400000-0x0000000000410000-memory.dmp