Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
20/08/2026, 21:35
General
- Target 2026-08-20_975b55825199326a3d0380611efee698_elex_remcos_wannacry.exe
- Size 60KB
- Sample260820-1fd4jayzbw
- SHA256 cd4aa5c242f2b554d3c088a45e14638e7f9265d1054e593825e13f7390598f98
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_975b55825199326a3d0380611efee698_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_975b55825199326a3d0380611efee698_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\{FCDF6281-C71C-49cf-B42C-24204A244D9A}.exeC:\Windows\{FCDF6281-C71C-49cf-B42C-24204A244D9A}.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\{319580CB-4135-449e-AC0E-88B18DE91B4C}.exeC:\Windows\{319580CB-4135-449e-AC0E-88B18DE91B4C}.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\{77DF5D1F-F785-440e-A28B-AE9192A13E06}.exeC:\Windows\{77DF5D1F-F785-440e-A28B-AE9192A13E06}.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\{8163FB17-080B-4f91-BA86-4B6FE32B8A9E}.exeC:\Windows\{8163FB17-080B-4f91-BA86-4B6FE32B8A9E}.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\{C49227AB-ACE0-4914-B272-925E48720C11}.exeC:\Windows\{C49227AB-ACE0-4914-B272-925E48720C11}.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\{A9FECA5D-A83A-48cf-A597-95541F740CC9}.exeC:\Windows\{A9FECA5D-A83A-48cf-A597-95541F740CC9}.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\{7B49B457-D9CA-4b71-883F-B6D6841277EC}.exeC:\Windows\{7B49B457-D9CA-4b71-883F-B6D6841277EC}.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\{C12BE633-2E56-4fe8-8AA1-6447DEE4A3C5}.exeC:\Windows\{C12BE633-2E56-4fe8-8AA1-6447DEE4A3C5}.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\{932706C8-C574-4cb5-9015-131FAFFC4674}.exeC:\Windows\{932706C8-C574-4cb5-9015-131FAFFC4674}.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\{423CA33B-60B4-4fd7-A9AC-AA4D2A749220}.exeC:\Windows\{423CA33B-60B4-4fd7-A9AC-AA4D2A749220}.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\{0A63D2E1-F7A0-4d52-8787-F457098FD651}.exeC:\Windows\{0A63D2E1-F7A0-4d52-8787-F457098FD651}.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\{423CA~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\{93270~1.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\{C12BE~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\{7B49B~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\{A9FEC~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\{C4922~1.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\{8163F~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\{77DF5~1.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\{31958~1.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\{FCDF6~1.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
{0A63D2E1-F7A0-4d52-8787-F457098FD651}.exe
{319580CB-4135-449e-AC0E-88B18DE91B4C}.exe
{423CA33B-60B4-4fd7-A9AC-AA4D2A749220}.exe
{77DF5D1F-F785-440e-A28B-AE9192A13E06}.exe
{7B49B457-D9CA-4b71-883F-B6D6841277EC}.exe
{8163FB17-080B-4f91-BA86-4B6FE32B8A9E}.exe
{932706C8-C574-4cb5-9015-131FAFFC4674}.exe
{A9FECA5D-A83A-48cf-A597-95541F740CC9}.exe
{C12BE633-2E56-4fe8-8AA1-6447DEE4A3C5}.exe
{C49227AB-ACE0-4914-B272-925E48720C11}.exe
{FCDF6281-C71C-49cf-B42C-24204A244D9A}.exe