Analysis
- max time kernel
148s - max time network
114s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
20/08/2026, 09:31
General
- Target 2026-08-20_d76baf4b95940ce843cb299652219c09_elex_remcos_wannacry.exe
- Size 79KB
- Sample260820-lg3qystdqg
- SHA256 a541cce336ecae6ef157b8349928c0e0c305326718e4a759fa04f60c93accb65
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_d76baf4b95940ce843cb299652219c09_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_d76baf4b95940ce843cb299652219c09_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\{5FCC7810-C9D0-422d-8505-AA1EEB9A7629}.exeC:\Windows\{5FCC7810-C9D0-422d-8505-AA1EEB9A7629}.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\{CAA47886-9ED0-40ba-BA6D-7923F9DD18C2}.exeC:\Windows\{CAA47886-9ED0-40ba-BA6D-7923F9DD18C2}.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\{40A5D47A-F5BC-4d94-9F5F-FF0B5B4615AD}.exeC:\Windows\{40A5D47A-F5BC-4d94-9F5F-FF0B5B4615AD}.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\{2E945066-FF38-44d6-9AD6-16FDFD0DB830}.exeC:\Windows\{2E945066-FF38-44d6-9AD6-16FDFD0DB830}.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\{E2D046DC-3ECB-48d2-A2C9-911036664AFA}.exeC:\Windows\{E2D046DC-3ECB-48d2-A2C9-911036664AFA}.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\{1CC07988-7940-43ae-9354-D78CBF59E0BC}.exeC:\Windows\{1CC07988-7940-43ae-9354-D78CBF59E0BC}.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\{1BD2FCD9-BC5E-4d22-A6C5-19899FC54A00}.exeC:\Windows\{1BD2FCD9-BC5E-4d22-A6C5-19899FC54A00}.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\{EDB476FC-7B3B-4055-9B82-6B9075F54157}.exeC:\Windows\{EDB476FC-7B3B-4055-9B82-6B9075F54157}.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\{9D9FFC1B-2E49-4c1d-B8FA-9CE69121BC7F}.exeC:\Windows\{9D9FFC1B-2E49-4c1d-B8FA-9CE69121BC7F}.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\{AB249559-2145-412e-9CF8-838B90F1CA8C}.exeC:\Windows\{AB249559-2145-412e-9CF8-838B90F1CA8C}.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\{2C87D665-29D0-4dab-8E1B-F6CC92CC2304}.exeC:\Windows\{2C87D665-29D0-4dab-8E1B-F6CC92CC2304}.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\{AB249~1.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\{9D9FF~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\{EDB47~1.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\{1BD2F~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\{1CC07~1.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\{E2D04~1.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\{2E945~1.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\{40A5D~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\{CAA47~1.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\{5FCC7~1.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
{1BD2FCD9-BC5E-4d22-A6C5-19899FC54A00}.exe
{1CC07988-7940-43ae-9354-D78CBF59E0BC}.exe
{2C87D665-29D0-4dab-8E1B-F6CC92CC2304}.exe
{2E945066-FF38-44d6-9AD6-16FDFD0DB830}.exe
{40A5D47A-F5BC-4d94-9F5F-FF0B5B4615AD}.exe
{5FCC7810-C9D0-422d-8505-AA1EEB9A7629}.exe
{9D9FFC1B-2E49-4c1d-B8FA-9CE69121BC7F}.exe
{AB249559-2145-412e-9CF8-838B90F1CA8C}.exe
{CAA47886-9ED0-40ba-BA6D-7923F9DD18C2}.exe
{E2D046DC-3ECB-48d2-A2C9-911036664AFA}.exe
{EDB476FC-7B3B-4055-9B82-6B9075F54157}.exe