Analysis
- max time kernel
148s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
29/10/2026, 19:36
General
- Target 2026-10-28_bf99221d7f01b609840bdf12763dd4b2_elex_remcos_wannacry.exe
- Size 64KB
- Sample261029-ybcc2acc53
- SHA256 78da6db8a0b84d6f3d68e2b68567aa07e5648f5212c6321a1871bd76e8f54446
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 37 IoCs
- Detects Windows executables referencing non-Windows User-Agents 37 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_bf99221d7f01b609840bdf12763dd4b2_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-28_bf99221d7f01b609840bdf12763dd4b2_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\{EA25A324-D1A1-4791-95F1-1B4379409CE3}.exeC:\Windows\{EA25A324-D1A1-4791-95F1-1B4379409CE3}.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\{F5985F06-D3E1-4f4c-81B0-C735624EF1C3}.exeC:\Windows\{F5985F06-D3E1-4f4c-81B0-C735624EF1C3}.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\{CA597F58-1D97-4097-B489-F745AF55ACC5}.exeC:\Windows\{CA597F58-1D97-4097-B489-F745AF55ACC5}.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\{B8117970-640E-4ee1-913B-6A0D30573539}.exeC:\Windows\{B8117970-640E-4ee1-913B-6A0D30573539}.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\{C0636812-C87C-43bf-BDDC-A52C26FAD26A}.exeC:\Windows\{C0636812-C87C-43bf-BDDC-A52C26FAD26A}.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\{212F40F9-A37A-4e50-B04B-79AC6D90F758}.exeC:\Windows\{212F40F9-A37A-4e50-B04B-79AC6D90F758}.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\{B5A0A83F-347C-4141-AC57-467AE4DEBA06}.exeC:\Windows\{B5A0A83F-347C-4141-AC57-467AE4DEBA06}.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\{6E8958FC-A7CF-4a45-BE3F-088B352A7C43}.exeC:\Windows\{6E8958FC-A7CF-4a45-BE3F-088B352A7C43}.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\{E8FC1910-9905-4432-8A84-AEDCA45C2E48}.exeC:\Windows\{E8FC1910-9905-4432-8A84-AEDCA45C2E48}.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
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C:\Windows\{60C60D0F-D3FC-46fd-ABFD-887707892BB2}.exeC:\Windows\{60C60D0F-D3FC-46fd-ABFD-887707892BB2}.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\{98D6A472-3BE5-4d66-AE16-A645CB5AD074}.exeC:\Windows\{98D6A472-3BE5-4d66-AE16-A645CB5AD074}.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\{60C60~1.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\{E8FC1~1.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\{6E895~1.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\{B5A0A~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\{212F4~1.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\{C0636~1.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\{B8117~1.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\{CA597~1.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\{F5985~1.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\{EA25A~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
{212F40F9-A37A-4e50-B04B-79AC6D90F758}.exe
{60C60D0F-D3FC-46fd-ABFD-887707892BB2}.exe
{6E8958FC-A7CF-4a45-BE3F-088B352A7C43}.exe
{98D6A472-3BE5-4d66-AE16-A645CB5AD074}.exe
{B5A0A83F-347C-4141-AC57-467AE4DEBA06}.exe
{B8117970-640E-4ee1-913B-6A0D30573539}.exe
{C0636812-C87C-43bf-BDDC-A52C26FAD26A}.exe
{CA597F58-1D97-4097-B489-F745AF55ACC5}.exe
{E8FC1910-9905-4432-8A84-AEDCA45C2E48}.exe
{EA25A324-D1A1-4791-95F1-1B4379409CE3}.exe
{F5985F06-D3E1-4f4c-81B0-C735624EF1C3}.exe
memory/108-37-0x0000000000400000-0x0000000000410000-memory.dmp
memory/108-42-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1828-71-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1828-65-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2076-30-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2076-35-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4384-63-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4384-58-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4440-44-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4440-51-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4448-73-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4448-77-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4600-79-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4916-7-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4916-1-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4916-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4972-22-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4972-29-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4972-24-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5676-50-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5676-56-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5856-12-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5856-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5872-14-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5872-21-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5872-16-0x0000000000400000-0x0000000000410000-memory.dmp