Analysis
- max time kernel
148s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
20/08/2026, 10:20
General
- Target 2026-08-20_15f464a27d4431a3e771d995ca462f3d_elex_remcos_wannacry.exe
- Size 79KB
- Sample260820-mdfbxscf79
- SHA256 1741f126392c2fef11e0822a66a9cf2adbbe3f4aa0c17d2833c2ca8869b84e4f
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\2026-08-20_15f464a27d4431a3e771d995ca462f3d_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_15f464a27d4431a3e771d995ca462f3d_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\{76F8BA48-C1CF-4335-AAED-F9A4BB73F9AA}.exeC:\Windows\{76F8BA48-C1CF-4335-AAED-F9A4BB73F9AA}.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\{EECBA388-7FCA-4cd6-9CCD-92DBAEE3591B}.exeC:\Windows\{EECBA388-7FCA-4cd6-9CCD-92DBAEE3591B}.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\{BCA5A868-5025-41c6-AF7C-9367964FC869}.exeC:\Windows\{BCA5A868-5025-41c6-AF7C-9367964FC869}.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\{6A4F73E3-96B4-4e58-8121-A1C68163AFD3}.exeC:\Windows\{6A4F73E3-96B4-4e58-8121-A1C68163AFD3}.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\{69ADDEB6-574D-43ba-B927-E1B50B3771E2}.exeC:\Windows\{69ADDEB6-574D-43ba-B927-E1B50B3771E2}.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\{B6C1C57C-E6C3-408a-91DA-08594B1968FA}.exeC:\Windows\{B6C1C57C-E6C3-408a-91DA-08594B1968FA}.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\{A361DF22-C59D-49fe-8B9D-87B32103F97D}.exeC:\Windows\{A361DF22-C59D-49fe-8B9D-87B32103F97D}.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\{A6C3114E-21C4-4875-AA5C-FF3EE4D1AC1D}.exeC:\Windows\{A6C3114E-21C4-4875-AA5C-FF3EE4D1AC1D}.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\{340D48BB-96D8-4c6f-BE5F-95F4F2BA21FA}.exeC:\Windows\{340D48BB-96D8-4c6f-BE5F-95F4F2BA21FA}.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\{B404A448-C930-453f-A897-E8FC7395165E}.exeC:\Windows\{B404A448-C930-453f-A897-E8FC7395165E}.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\{00454717-42F4-434c-AEB2-069F9504F459}.exeC:\Windows\{00454717-42F4-434c-AEB2-069F9504F459}.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\{B404A~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\{340D4~1.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\{A6C31~1.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\{A361D~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\{B6C1C~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\{69ADD~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\{6A4F7~1.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\{BCA5A~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\{EECBA~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\{76F8B~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
{00454717-42F4-434c-AEB2-069F9504F459}.exe
{340D48BB-96D8-4c6f-BE5F-95F4F2BA21FA}.exe
{69ADDEB6-574D-43ba-B927-E1B50B3771E2}.exe
{6A4F73E3-96B4-4e58-8121-A1C68163AFD3}.exe
{76F8BA48-C1CF-4335-AAED-F9A4BB73F9AA}.exe
{A361DF22-C59D-49fe-8B9D-87B32103F97D}.exe
{A6C3114E-21C4-4875-AA5C-FF3EE4D1AC1D}.exe
{B404A448-C930-453f-A897-E8FC7395165E}.exe
{B6C1C57C-E6C3-408a-91DA-08594B1968FA}.exe
{BCA5A868-5025-41c6-AF7C-9367964FC869}.exe
{EECBA388-7FCA-4cd6-9CCD-92DBAEE3591B}.exe