Analysis
- max time kernel
148s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
30/10/2026, 10:42
General
- Target 2026-10-28_0b076af43f635585c3465af164830896_elex_remcos_wannacry.exe
- Size 64KB
- Sample261030-mr3dlsec34
- SHA256 d546e69db1411a8484051b1307e9b98e1cbe5a31901e831cd7ab223aa431b566
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\2026-10-28_0b076af43f635585c3465af164830896_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-28_0b076af43f635585c3465af164830896_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\{025FF470-7A60-4ce1-8F9C-5A61FFF48B48}.exeC:\Windows\{025FF470-7A60-4ce1-8F9C-5A61FFF48B48}.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\{28B05468-ACBD-4c1e-82FD-40DD4C2B9BA1}.exeC:\Windows\{28B05468-ACBD-4c1e-82FD-40DD4C2B9BA1}.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\{F533A813-FA72-416f-B34B-480C45C5E539}.exeC:\Windows\{F533A813-FA72-416f-B34B-480C45C5E539}.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\{FE18F6EB-166D-4647-A952-6F395D0D3D2C}.exeC:\Windows\{FE18F6EB-166D-4647-A952-6F395D0D3D2C}.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\{5886A0C0-18FA-420b-9A9C-9E9E07CDDD12}.exeC:\Windows\{5886A0C0-18FA-420b-9A9C-9E9E07CDDD12}.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\{4579FFDE-F0BF-4d1f-AB97-4DE3D7D1603F}.exeC:\Windows\{4579FFDE-F0BF-4d1f-AB97-4DE3D7D1603F}.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\{077F52A4-5F28-45e2-BE7A-E21C1D892EC2}.exeC:\Windows\{077F52A4-5F28-45e2-BE7A-E21C1D892EC2}.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\{59FA981F-43A7-4e59-A14C-ACEB0AB62381}.exeC:\Windows\{59FA981F-43A7-4e59-A14C-ACEB0AB62381}.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\{670D1305-E5FD-4709-AC57-372BA382AA7C}.exeC:\Windows\{670D1305-E5FD-4709-AC57-372BA382AA7C}.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\{7CDF1595-AD70-45d5-AB96-B296E2CBD6D4}.exeC:\Windows\{7CDF1595-AD70-45d5-AB96-B296E2CBD6D4}.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\{54647198-D605-4138-8080-A0B34DB0E773}.exeC:\Windows\{54647198-D605-4138-8080-A0B34DB0E773}.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\{7CDF1~1.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\{670D1~1.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\{59FA9~1.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\{077F5~1.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\{4579F~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\{5886A~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\{FE18F~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\{F533A~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\{28B05~1.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\{025FF~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
{025FF470-7A60-4ce1-8F9C-5A61FFF48B48}.exe
{077F52A4-5F28-45e2-BE7A-E21C1D892EC2}.exe
{28B05468-ACBD-4c1e-82FD-40DD4C2B9BA1}.exe
{4579FFDE-F0BF-4d1f-AB97-4DE3D7D1603F}.exe
{54647198-D605-4138-8080-A0B34DB0E773}.exe
{5886A0C0-18FA-420b-9A9C-9E9E07CDDD12}.exe
{59FA981F-43A7-4e59-A14C-ACEB0AB62381}.exe
{670D1305-E5FD-4709-AC57-372BA382AA7C}.exe
{7CDF1595-AD70-45d5-AB96-B296E2CBD6D4}.exe
{F533A813-FA72-416f-B34B-480C45C5E539}.exe
{FE18F6EB-166D-4647-A952-6F395D0D3D2C}.exe
memory/252-21-0x0000000000400000-0x0000000000410000-memory.dmp
memory/252-27-0x0000000000400000-0x0000000000410000-memory.dmp
memory/924-76-0x0000000000400000-0x0000000000410000-memory.dmp
memory/924-71-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1352-9-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1352-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1352-13-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1892-34-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1892-29-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2280-62-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2280-57-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2620-15-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2620-22-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2908-49-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2908-55-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3720-78-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4520-50-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4520-43-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5552-70-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5552-64-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5644-8-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5644-1-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5644-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5732-42-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5732-36-0x0000000000400000-0x0000000000410000-memory.dmp