Analysis
- max time kernel
148s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
29/10/2026, 03:54
General
- Target 2026-10-28_e37eccfcb392aaafb8739b620b3da828_elex_remcos_wannacry.exe
- Size 64KB
- Sample261029-ef91bag17w
- SHA256 15d71806e34cfdf847a3ae7fabade46e71668539a7272f1d07d7c2da96df5a97
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_e37eccfcb392aaafb8739b620b3da828_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-28_e37eccfcb392aaafb8739b620b3da828_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\{5BAA54F7-1851-4285-BEAB-E90C3B42BAB1}.exeC:\Windows\{5BAA54F7-1851-4285-BEAB-E90C3B42BAB1}.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\{00FAA785-2844-444f-B9E7-ED8166829AEC}.exeC:\Windows\{00FAA785-2844-444f-B9E7-ED8166829AEC}.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\{565DB8A7-BE08-48af-97B2-10EAB93B572D}.exeC:\Windows\{565DB8A7-BE08-48af-97B2-10EAB93B572D}.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\{256321A5-B2DE-4dd4-9949-AF0384A062C6}.exeC:\Windows\{256321A5-B2DE-4dd4-9949-AF0384A062C6}.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\{226EF0F7-BA02-41d2-8EA1-30165303BB83}.exeC:\Windows\{226EF0F7-BA02-41d2-8EA1-30165303BB83}.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\{2003A59F-7D34-44c4-9ACD-A1FC51968777}.exeC:\Windows\{2003A59F-7D34-44c4-9ACD-A1FC51968777}.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\{021E9B98-5596-4e5e-A255-4DFB9885647F}.exeC:\Windows\{021E9B98-5596-4e5e-A255-4DFB9885647F}.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\{C2D445D1-2E00-41d9-A01A-4498A8F89624}.exeC:\Windows\{C2D445D1-2E00-41d9-A01A-4498A8F89624}.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\{BF751D44-6EE6-4578-91BE-31AF39377BCF}.exeC:\Windows\{BF751D44-6EE6-4578-91BE-31AF39377BCF}.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\{DAFE8CE8-D892-4a7b-8EFD-8FA9F657CD8A}.exeC:\Windows\{DAFE8CE8-D892-4a7b-8EFD-8FA9F657CD8A}.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\{FAE12EFF-FC2E-4a8d-8003-BDB2CD8F8430}.exeC:\Windows\{FAE12EFF-FC2E-4a8d-8003-BDB2CD8F8430}.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\{DAFE8~1.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\{BF751~1.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\{C2D44~1.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\{021E9~1.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\{2003A~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\{226EF~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\{25632~1.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\{565DB~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\{00FAA~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\{5BAA5~1.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
{00FAA785-2844-444f-B9E7-ED8166829AEC}.exe
{021E9B98-5596-4e5e-A255-4DFB9885647F}.exe
{2003A59F-7D34-44c4-9ACD-A1FC51968777}.exe
{226EF0F7-BA02-41d2-8EA1-30165303BB83}.exe
{256321A5-B2DE-4dd4-9949-AF0384A062C6}.exe
{565DB8A7-BE08-48af-97B2-10EAB93B572D}.exe
{5BAA54F7-1851-4285-BEAB-E90C3B42BAB1}.exe
{BF751D44-6EE6-4578-91BE-31AF39377BCF}.exe
{C2D445D1-2E00-41d9-A01A-4498A8F89624}.exe
{DAFE8CE8-D892-4a7b-8EFD-8FA9F657CD8A}.exe
{FAE12EFF-FC2E-4a8d-8003-BDB2CD8F8430}.exe
memory/356-22-0x0000000000400000-0x0000000000410000-memory.dmp
memory/356-28-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1148-13-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1148-9-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1148-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2676-29-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2676-35-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3080-55-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3080-50-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3536-71-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3536-76-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3756-43-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3756-48-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4484-78-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4792-41-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4792-36-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4812-20-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4812-15-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4964-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4964-7-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4964-1-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5552-64-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5552-69-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5788-63-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5788-57-0x0000000000400000-0x0000000000410000-memory.dmp