Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
30/10/2026, 21:51
General
- Target 2026-10-30_94eb13c909da6da6db262d31ea28c3dc_elex_remcos_wannacry.exe
- Size 64KB
- Sample261030-1q1ehsft5v
- SHA256 258b19ae42fbd7a7b4055cc788dbc9c40c64241fd5af07377d27fc75cc9debf1
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\2026-10-30_94eb13c909da6da6db262d31ea28c3dc_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-30_94eb13c909da6da6db262d31ea28c3dc_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\{9E250758-C93B-432e-BF0D-BD75C642369D}.exeC:\Windows\{9E250758-C93B-432e-BF0D-BD75C642369D}.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\{B4BE140E-D1B8-4c96-B06B-D161EACB7BAB}.exeC:\Windows\{B4BE140E-D1B8-4c96-B06B-D161EACB7BAB}.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
-
C:\Windows\{5274C778-EBA6-451c-A0D5-686A3B010A6D}.exeC:\Windows\{5274C778-EBA6-451c-A0D5-686A3B010A6D}.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\{3279E86A-DBE4-48fe-AC4B-BD51990AA756}.exeC:\Windows\{3279E86A-DBE4-48fe-AC4B-BD51990AA756}.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\{11A2557B-4463-4607-B9CC-2674B1FF0F35}.exeC:\Windows\{11A2557B-4463-4607-B9CC-2674B1FF0F35}.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\{33CD4535-31FB-4a5c-99F8-11FF1F1DE780}.exeC:\Windows\{33CD4535-31FB-4a5c-99F8-11FF1F1DE780}.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\{537A8CC8-9159-4728-9FA2-D420015E6147}.exeC:\Windows\{537A8CC8-9159-4728-9FA2-D420015E6147}.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\{250919DC-5928-46c1-BCFB-A47C7A5F3FE6}.exeC:\Windows\{250919DC-5928-46c1-BCFB-A47C7A5F3FE6}.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\{5923B769-AB18-4b82-9F28-91421A94D929}.exeC:\Windows\{5923B769-AB18-4b82-9F28-91421A94D929}.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\{E55489ED-1587-43d3-B35A-A823B12CDC9F}.exeC:\Windows\{E55489ED-1587-43d3-B35A-A823B12CDC9F}.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\{B9BCDAB0-F989-4f3a-A141-E8955C4A2152}.exeC:\Windows\{B9BCDAB0-F989-4f3a-A141-E8955C4A2152}.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\{E5548~1.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\{5923B~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\{25091~1.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\{537A8~1.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\{33CD4~1.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\{11A25~1.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\{3279E~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\{5274C~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\{B4BE1~1.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\{9E250~1.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\2026-1~1.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
{11A2557B-4463-4607-B9CC-2674B1FF0F35}.exe
{250919DC-5928-46c1-BCFB-A47C7A5F3FE6}.exe
{3279E86A-DBE4-48fe-AC4B-BD51990AA756}.exe
{33CD4535-31FB-4a5c-99F8-11FF1F1DE780}.exe
{5274C778-EBA6-451c-A0D5-686A3B010A6D}.exe
{537A8CC8-9159-4728-9FA2-D420015E6147}.exe
{5923B769-AB18-4b82-9F28-91421A94D929}.exe
{9E250758-C93B-432e-BF0D-BD75C642369D}.exe
{B4BE140E-D1B8-4c96-B06B-D161EACB7BAB}.exe
{B9BCDAB0-F989-4f3a-A141-E8955C4A2152}.exe
{E55489ED-1587-43d3-B35A-A823B12CDC9F}.exe
memory/800-36-0x0000000000400000-0x0000000000410000-memory.dmp
memory/800-41-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1344-49-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1344-43-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1348-76-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1348-70-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2608-12-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2608-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2828-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2828-7-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2828-1-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4340-27-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4340-22-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4460-34-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4460-29-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4516-71-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4516-64-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4744-20-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4744-16-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4744-14-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5192-55-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5192-50-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5812-78-0x0000000000400000-0x0000000000410000-memory.dmp
memory/6088-62-0x0000000000400000-0x0000000000410000-memory.dmp
memory/6088-57-0x0000000000400000-0x0000000000410000-memory.dmp