Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
15/08/2026, 10:55
General
- Target 2026-08-15_8bce45896bdaa3876ce0b9aaf3e1b8f3_elex_remcos_wannacry.exe
- Size 64KB
- Sample260815-mz4lmsfc76
- SHA256 e5cab8e13ea9df9db1cbd6362fdcbb3dc35e65d19d860b2d5574b94e0323ff16
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\2026-08-15_8bce45896bdaa3876ce0b9aaf3e1b8f3_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-15_8bce45896bdaa3876ce0b9aaf3e1b8f3_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\{85E1F440-5874-4eea-AAA7-E804EAA32D4E}.exeC:\Windows\{85E1F440-5874-4eea-AAA7-E804EAA32D4E}.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\{A730E451-FB72-4ab8-9CBC-7396E2701CAD}.exeC:\Windows\{A730E451-FB72-4ab8-9CBC-7396E2701CAD}.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\{2AF0FAD6-8AC9-46bb-835B-CD84F14DAAB8}.exeC:\Windows\{2AF0FAD6-8AC9-46bb-835B-CD84F14DAAB8}.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\{5CD4C02E-7A2E-47df-A7F8-828B82EB5DB2}.exeC:\Windows\{5CD4C02E-7A2E-47df-A7F8-828B82EB5DB2}.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\{70F4D550-0230-443f-9311-25E1CEC44843}.exeC:\Windows\{70F4D550-0230-443f-9311-25E1CEC44843}.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\{32511C91-9CA9-4a55-8122-9021F176BCCA}.exeC:\Windows\{32511C91-9CA9-4a55-8122-9021F176BCCA}.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\{C65D7BBE-262F-44a4-9E7A-99416DAF9F41}.exeC:\Windows\{C65D7BBE-262F-44a4-9E7A-99416DAF9F41}.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\{741D086F-0A2F-4810-B7BD-637035D31AAF}.exeC:\Windows\{741D086F-0A2F-4810-B7BD-637035D31AAF}.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\{E35D0741-ADCF-4df7-8388-ED6ACF001AF9}.exeC:\Windows\{E35D0741-ADCF-4df7-8388-ED6ACF001AF9}.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\{3FFDB92E-34A9-41bd-B054-BD055C8EFC87}.exeC:\Windows\{3FFDB92E-34A9-41bd-B054-BD055C8EFC87}.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\{926B7BF9-91B8-4a93-BB09-CFC830B2372E}.exeC:\Windows\{926B7BF9-91B8-4a93-BB09-CFC830B2372E}.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\{3FFDB~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\{E35D0~1.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\{741D0~1.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\{C65D7~1.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\{32511~1.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\{70F4D~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\{5CD4C~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\{2AF0F~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\{A730E~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\{85E1F~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
{2AF0FAD6-8AC9-46bb-835B-CD84F14DAAB8}.exe
{32511C91-9CA9-4a55-8122-9021F176BCCA}.exe
{3FFDB92E-34A9-41bd-B054-BD055C8EFC87}.exe
{5CD4C02E-7A2E-47df-A7F8-828B82EB5DB2}.exe
{70F4D550-0230-443f-9311-25E1CEC44843}.exe
{741D086F-0A2F-4810-B7BD-637035D31AAF}.exe
{85E1F440-5874-4eea-AAA7-E804EAA32D4E}.exe
{926B7BF9-91B8-4a93-BB09-CFC830B2372E}.exe
{A730E451-FB72-4ab8-9CBC-7396E2701CAD}.exe
{C65D7BBE-262F-44a4-9E7A-99416DAF9F41}.exe
{E35D0741-ADCF-4df7-8388-ED6ACF001AF9}.exe
memory/800-28-0x0000000000400000-0x0000000000410000-memory.dmp
memory/800-30-0x0000000000400000-0x0000000000410000-memory.dmp
memory/800-34-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1104-27-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1104-21-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1496-76-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1496-70-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1536-14-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1536-19-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3148-78-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3724-57-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3724-62-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4688-64-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4688-71-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4792-12-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4792-7-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4936-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4936-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4936-1-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5632-41-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5632-36-0x0000000000400000-0x0000000000410000-memory.dmp
memory/6204-49-0x0000000000400000-0x0000000000410000-memory.dmp
memory/6204-43-0x0000000000400000-0x0000000000410000-memory.dmp
memory/6700-55-0x0000000000400000-0x0000000000410000-memory.dmp
memory/6700-50-0x0000000000400000-0x0000000000410000-memory.dmp