Analysis
- max time kernel
148s - max time network
124s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
20/10/2026, 07:49
General
- Target 2026-10-20_3900bcef15e256adec2ab7c516ab2780_elex_remcos_wannacry.exe
- Size 59KB
- Sample261020-jnteraxtby
- SHA256 4987f3c7fd4dcefbc8767b75c56ed637dcb15747c09df3c65d64fe4b9b6801ac
Score
10/10
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 11 IoCs
- Detects Windows executables referencing non-Windows User-Agents 11 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\2026-10-20_3900bcef15e256adec2ab7c516ab2780_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-20_3900bcef15e256adec2ab7c516ab2780_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\{28F984C7-F2F6-47fa-B707-0217859CFE25}.exeC:\Windows\{28F984C7-F2F6-47fa-B707-0217859CFE25}.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\{7466E941-F6D6-4168-AE7A-860FB308F890}.exeC:\Windows\{7466E941-F6D6-4168-AE7A-860FB308F890}.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\{DB4AEBB4-9EF2-467c-8205-88E3DAF17F09}.exeC:\Windows\{DB4AEBB4-9EF2-467c-8205-88E3DAF17F09}.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\{0F8CC9D5-BCDD-415e-A7D2-51736E63120F}.exeC:\Windows\{0F8CC9D5-BCDD-415e-A7D2-51736E63120F}.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\{ED5BCD63-7105-47f7-A788-5DFE6D25F6E0}.exeC:\Windows\{ED5BCD63-7105-47f7-A788-5DFE6D25F6E0}.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\{FCB36D20-F91D-45b3-8F8E-E1492005F450}.exeC:\Windows\{FCB36D20-F91D-45b3-8F8E-E1492005F450}.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\{89A31151-5331-47ad-8E5C-369D9339E200}.exeC:\Windows\{89A31151-5331-47ad-8E5C-369D9339E200}.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\{65D3EF21-8BA8-4bc7-B8DD-9828970B3C55}.exeC:\Windows\{65D3EF21-8BA8-4bc7-B8DD-9828970B3C55}.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\{34CCF392-E4F2-4152-A6A0-899511B88010}.exeC:\Windows\{34CCF392-E4F2-4152-A6A0-899511B88010}.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\{4ADDCAC4-4AE0-4efa-A9C9-3B9EE6D32A02}.exeC:\Windows\{4ADDCAC4-4AE0-4efa-A9C9-3B9EE6D32A02}.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\{4715C974-580A-4267-8CB7-4B4DE67A37A1}.exeC:\Windows\{4715C974-580A-4267-8CB7-4B4DE67A37A1}.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\{4ADDC~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\{34CCF~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\{65D3E~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\{89A31~1.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\{FCB36~1.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\{ED5BC~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\{0F8CC~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\{DB4AE~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\{7466E~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\{28F98~1.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
{0F8CC9D5-BCDD-415e-A7D2-51736E63120F}.exe
{28F984C7-F2F6-47fa-B707-0217859CFE25}.exe
{34CCF392-E4F2-4152-A6A0-899511B88010}.exe
{4715C974-580A-4267-8CB7-4B4DE67A37A1}.exe
{4ADDCAC4-4AE0-4efa-A9C9-3B9EE6D32A02}.exe
{65D3EF21-8BA8-4bc7-B8DD-9828970B3C55}.exe
{7466E941-F6D6-4168-AE7A-860FB308F890}.exe
{89A31151-5331-47ad-8E5C-369D9339E200}.exe
{DB4AEBB4-9EF2-467c-8205-88E3DAF17F09}.exe
{ED5BCD63-7105-47f7-A788-5DFE6D25F6E0}.exe
{FCB36D20-F91D-45b3-8F8E-E1492005F450}.exe