Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
19/08/2026, 12:24
General
- Target 2026-08-19_f4afce368a8b8050e7ef4563f1c8a6ee_elex_remcos_wannacry.exe
- Size 79KB
- Sample260819-plefpstfpc
- SHA256 32efefdeeef8a8351694e7ccbe82dfed882d8e9f5fa3926c72ea2961f308bad3
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\2026-08-19_f4afce368a8b8050e7ef4563f1c8a6ee_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-19_f4afce368a8b8050e7ef4563f1c8a6ee_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\{A3A878C5-525E-4f0b-9120-3027DDBCF636}.exeC:\Windows\{A3A878C5-525E-4f0b-9120-3027DDBCF636}.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\{605FA1D9-8A4D-4fb2-A4E5-64D97EBFEFE7}.exeC:\Windows\{605FA1D9-8A4D-4fb2-A4E5-64D97EBFEFE7}.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\{7C8D7E70-DF16-4dc1-A1BF-6BDFD22C1786}.exeC:\Windows\{7C8D7E70-DF16-4dc1-A1BF-6BDFD22C1786}.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\{C4579474-0239-4167-BC6E-4496996457AD}.exeC:\Windows\{C4579474-0239-4167-BC6E-4496996457AD}.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\{C801A76E-4FED-4a17-8802-57EB55887628}.exeC:\Windows\{C801A76E-4FED-4a17-8802-57EB55887628}.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\{995F8E46-1A49-4c7c-B0D0-F7388AC241D4}.exeC:\Windows\{995F8E46-1A49-4c7c-B0D0-F7388AC241D4}.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\{A816A367-165C-4927-9896-DCF210043009}.exeC:\Windows\{A816A367-165C-4927-9896-DCF210043009}.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\{647AC52A-CDF6-423d-A377-0AB81F006D8A}.exeC:\Windows\{647AC52A-CDF6-423d-A377-0AB81F006D8A}.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\{354D9FBA-E68F-40ad-AF17-C01953621987}.exeC:\Windows\{354D9FBA-E68F-40ad-AF17-C01953621987}.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\{0C231E56-C06A-4403-A1B0-D673376CBA7B}.exeC:\Windows\{0C231E56-C06A-4403-A1B0-D673376CBA7B}.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\{59C2FA7C-155E-4523-963F-0DC706561C2A}.exeC:\Windows\{59C2FA7C-155E-4523-963F-0DC706561C2A}.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\{0C231~1.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\{354D9~1.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\{647AC~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\{A816A~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\{995F8~1.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\{C801A~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\{C4579~1.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\{7C8D7~1.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\{605FA~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\{A3A87~1.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
{0C231E56-C06A-4403-A1B0-D673376CBA7B}.exe
{354D9FBA-E68F-40ad-AF17-C01953621987}.exe
{59C2FA7C-155E-4523-963F-0DC706561C2A}.exe
{605FA1D9-8A4D-4fb2-A4E5-64D97EBFEFE7}.exe
{647AC52A-CDF6-423d-A377-0AB81F006D8A}.exe
{7C8D7E70-DF16-4dc1-A1BF-6BDFD22C1786}.exe
{995F8E46-1A49-4c7c-B0D0-F7388AC241D4}.exe
{A3A878C5-525E-4f0b-9120-3027DDBCF636}.exe
{A816A367-165C-4927-9896-DCF210043009}.exe
{C4579474-0239-4167-BC6E-4496996457AD}.exe
{C801A76E-4FED-4a17-8802-57EB55887628}.exe