Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
03/08/2026, 02:00
General
- Target 2026-08-03_ffd01f412babf63625331eda5a24e439_elex_remcos_wannacry.exe
- Size 64KB
- Sample260803-ce1n5sam5t
- SHA256 18a7f5231423e2cc10fb39ba888b365ebf5c88a0acb032d4ce6776de381c580c
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 36 IoCs
- Detects Windows executables referencing non-Windows User-Agents 36 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\2026-08-03_ffd01f412babf63625331eda5a24e439_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-03_ffd01f412babf63625331eda5a24e439_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\{AC90547F-E80A-4637-BEEF-AC72C9881F19}.exeC:\Windows\{AC90547F-E80A-4637-BEEF-AC72C9881F19}.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
-
C:\Windows\{507194F2-5C8F-4010-BE94-74BD56AD1014}.exeC:\Windows\{507194F2-5C8F-4010-BE94-74BD56AD1014}.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\{638C3737-D190-42e4-8C76-7DCFDD72163C}.exeC:\Windows\{638C3737-D190-42e4-8C76-7DCFDD72163C}.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
-
C:\Windows\{29F09E98-A739-43b4-A5B3-926E022FF2B1}.exeC:\Windows\{29F09E98-A739-43b4-A5B3-926E022FF2B1}.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\{8EF5270B-9CEA-4625-8358-A678FDDDF30A}.exeC:\Windows\{8EF5270B-9CEA-4625-8358-A678FDDDF30A}.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\{17413AD9-ECB5-425f-9D08-A39D71C0445D}.exeC:\Windows\{17413AD9-ECB5-425f-9D08-A39D71C0445D}.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
-
C:\Windows\{7B37D114-89FE-462e-AECB-BABF6ED37B88}.exeC:\Windows\{7B37D114-89FE-462e-AECB-BABF6ED37B88}.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\{C0F79E53-26D0-4f2f-8994-2816906E7E93}.exeC:\Windows\{C0F79E53-26D0-4f2f-8994-2816906E7E93}.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\{BEC7D78F-FBBE-4c3a-9AA8-B578A0E8FA88}.exeC:\Windows\{BEC7D78F-FBBE-4c3a-9AA8-B578A0E8FA88}.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
-
C:\Windows\{CC73FBBE-1E62-424c-B83D-5EAC192A06FB}.exeC:\Windows\{CC73FBBE-1E62-424c-B83D-5EAC192A06FB}.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\{40A7E81D-A8BE-439a-8EC4-8F9F64CDCFB3}.exeC:\Windows\{40A7E81D-A8BE-439a-8EC4-8F9F64CDCFB3}.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\{CC73F~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\{BEC7D~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\{C0F79~1.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\{7B37D~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\{17413~1.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\{8EF52~1.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\{29F09~1.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\{638C3~1.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\{50719~1.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\{AC905~1.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
{17413AD9-ECB5-425f-9D08-A39D71C0445D}.exe
{29F09E98-A739-43b4-A5B3-926E022FF2B1}.exe
{40A7E81D-A8BE-439a-8EC4-8F9F64CDCFB3}.exe
{507194F2-5C8F-4010-BE94-74BD56AD1014}.exe
{638C3737-D190-42e4-8C76-7DCFDD72163C}.exe
{7B37D114-89FE-462e-AECB-BABF6ED37B88}.exe
{8EF5270B-9CEA-4625-8358-A678FDDDF30A}.exe
{AC90547F-E80A-4637-BEEF-AC72C9881F19}.exe
{BEC7D78F-FBBE-4c3a-9AA8-B578A0E8FA88}.exe
{C0F79E53-26D0-4f2f-8994-2816906E7E93}.exe
{CC73FBBE-1E62-424c-B83D-5EAC192A06FB}.exe
memory/572-29-0x0000000000400000-0x0000000000410000-memory.dmp
memory/572-34-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1632-21-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1632-14-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2032-41-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2032-36-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2548-78-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2684-50-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2684-55-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3008-62-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3008-57-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3708-43-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3708-49-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3712-70-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3712-76-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4688-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4688-12-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5012-20-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5012-27-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5012-23-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5364-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5364-7-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5364-1-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5656-64-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5656-71-0x0000000000400000-0x0000000000410000-memory.dmp