Analysis
- max time kernel
150s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
17/08/2026, 09:16
General
- Target 2026-08-17_4b0a799e6b3764e47981e913a3e427ea_elex_remcos_wannacry.exe
- Size 79KB
- Sample260817-k8yqmsgq2v
- SHA256 ef3336cb38bc3caad29df600ac36617689d16ea4fc5abf2e5876aba68951337c
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\2026-08-17_4b0a799e6b3764e47981e913a3e427ea_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-17_4b0a799e6b3764e47981e913a3e427ea_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\{4087194F-AE95-4ac2-B240-1062CD0E21CB}.exeC:\Windows\{4087194F-AE95-4ac2-B240-1062CD0E21CB}.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\{FC9E94DB-2483-4a62-8EA6-904AC0FD47E5}.exeC:\Windows\{FC9E94DB-2483-4a62-8EA6-904AC0FD47E5}.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\{A4138C39-AD60-44dc-B7DD-822ADC90B1EF}.exeC:\Windows\{A4138C39-AD60-44dc-B7DD-822ADC90B1EF}.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\{7ACA2E68-B2E1-442d-8FB2-F8026AE92CF5}.exeC:\Windows\{7ACA2E68-B2E1-442d-8FB2-F8026AE92CF5}.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\{4CC19797-5D00-480e-ADF2-605DD5792CCF}.exeC:\Windows\{4CC19797-5D00-480e-ADF2-605DD5792CCF}.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\{042C12FD-5638-4e63-BE57-D77B608BC21A}.exeC:\Windows\{042C12FD-5638-4e63-BE57-D77B608BC21A}.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\{E7F05EE2-318A-4002-8CC6-E8831B904518}.exeC:\Windows\{E7F05EE2-318A-4002-8CC6-E8831B904518}.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\{753CAC8D-67B6-475d-A9FC-405925ADA3E3}.exeC:\Windows\{753CAC8D-67B6-475d-A9FC-405925ADA3E3}.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\{E4149B6E-3965-4c2b-8EFC-B9B55B2170AD}.exeC:\Windows\{E4149B6E-3965-4c2b-8EFC-B9B55B2170AD}.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\{BEAFB2DE-BED3-4d0f-A248-D91ACD6978D2}.exeC:\Windows\{BEAFB2DE-BED3-4d0f-A248-D91ACD6978D2}.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\{4B735965-2569-416c-A6D2-C9735BF617FE}.exeC:\Windows\{4B735965-2569-416c-A6D2-C9735BF617FE}.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\{BEAFB~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\{E4149~1.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\{753CA~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\{E7F05~1.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\{042C1~1.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\{4CC19~1.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\{7ACA2~1.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\{A4138~1.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\{FC9E9~1.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\{40871~1.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
{042C12FD-5638-4e63-BE57-D77B608BC21A}.exe
{4087194F-AE95-4ac2-B240-1062CD0E21CB}.exe
{4B735965-2569-416c-A6D2-C9735BF617FE}.exe
{4CC19797-5D00-480e-ADF2-605DD5792CCF}.exe
{753CAC8D-67B6-475d-A9FC-405925ADA3E3}.exe
{7ACA2E68-B2E1-442d-8FB2-F8026AE92CF5}.exe
{A4138C39-AD60-44dc-B7DD-822ADC90B1EF}.exe
{BEAFB2DE-BED3-4d0f-A248-D91ACD6978D2}.exe
{E4149B6E-3965-4c2b-8EFC-B9B55B2170AD}.exe
{E7F05EE2-318A-4002-8CC6-E8831B904518}.exe
{FC9E94DB-2483-4a62-8EA6-904AC0FD47E5}.exe