Analysis
- max time kernel
148s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
01/11/2026, 22:11
General
- Target 2026-10-31_9fdc477899ea40189b82d3a1eb544a51_elex_remcos_wannacry.exe
- Size 64KB
- Sample261101-13xt6aytev
- SHA256 7b440974c88cf11187938f620f8780c8833746edf218e14c0a3df7693ade86ef
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 35 IoCs
- Detects Windows executables referencing non-Windows User-Agents 35 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\2026-10-31_9fdc477899ea40189b82d3a1eb544a51_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-31_9fdc477899ea40189b82d3a1eb544a51_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\{9B8985AA-1AE7-4cdf-B916-3D4FB6B03BC3}.exeC:\Windows\{9B8985AA-1AE7-4cdf-B916-3D4FB6B03BC3}.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\{C98F74DE-37FB-4f77-9C34-4BBB5BB85E45}.exeC:\Windows\{C98F74DE-37FB-4f77-9C34-4BBB5BB85E45}.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\{73EC2C69-9AD9-4b47-B5F7-5FF5ABF1ECD1}.exeC:\Windows\{73EC2C69-9AD9-4b47-B5F7-5FF5ABF1ECD1}.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\{1879BF2E-4533-47a7-BC4C-D74BD4D43529}.exeC:\Windows\{1879BF2E-4533-47a7-BC4C-D74BD4D43529}.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\{3E066BF1-034A-41be-9A9A-DAF499C3B812}.exeC:\Windows\{3E066BF1-034A-41be-9A9A-DAF499C3B812}.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\{5BB6AC1C-0095-454f-8B51-6A7848A1535E}.exeC:\Windows\{5BB6AC1C-0095-454f-8B51-6A7848A1535E}.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\{6EB945F9-B75F-4b54-8231-2701EF424B40}.exeC:\Windows\{6EB945F9-B75F-4b54-8231-2701EF424B40}.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\{F0D97FC4-4C3C-4efb-ADD0-2F6709CD987F}.exeC:\Windows\{F0D97FC4-4C3C-4efb-ADD0-2F6709CD987F}.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\{E2881B12-66B4-4984-9B58-29671B8A7764}.exeC:\Windows\{E2881B12-66B4-4984-9B58-29671B8A7764}.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\{DC937EBF-3485-48a3-9820-07620546FF21}.exeC:\Windows\{DC937EBF-3485-48a3-9820-07620546FF21}.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\{E4D1B5D7-6F43-4c35-8C38-DB42EDA14D8C}.exeC:\Windows\{E4D1B5D7-6F43-4c35-8C38-DB42EDA14D8C}.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\{DC937~1.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\{E2881~1.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\{F0D97~1.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\{6EB94~1.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\{5BB6A~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\{3E066~1.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\{1879B~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\{73EC2~1.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\{C98F7~1.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\{9B898~1.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
{1879BF2E-4533-47a7-BC4C-D74BD4D43529}.exe
{3E066BF1-034A-41be-9A9A-DAF499C3B812}.exe
{5BB6AC1C-0095-454f-8B51-6A7848A1535E}.exe
{6EB945F9-B75F-4b54-8231-2701EF424B40}.exe
{73EC2C69-9AD9-4b47-B5F7-5FF5ABF1ECD1}.exe
{9B8985AA-1AE7-4cdf-B916-3D4FB6B03BC3}.exe
{C98F74DE-37FB-4f77-9C34-4BBB5BB85E45}.exe
{DC937EBF-3485-48a3-9820-07620546FF21}.exe
{E2881B12-66B4-4984-9B58-29671B8A7764}.exe
{E4D1B5D7-6F43-4c35-8C38-DB42EDA14D8C}.exe
{F0D97FC4-4C3C-4efb-ADD0-2F6709CD987F}.exe
memory/1340-34-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1340-40-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1432-77-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3864-1-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3864-7-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3864-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4076-35-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4076-28-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4108-14-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4108-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4268-21-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4268-13-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4568-75-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4568-70-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4592-47-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4592-42-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4696-54-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4696-49-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4920-63-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4920-68-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5632-62-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5632-56-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5920-27-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5920-20-0x0000000000400000-0x0000000000410000-memory.dmp