Analysis
- max time kernel
148s - max time network
124s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
06/11/2026, 14:02
General
- Target 2026-11-05_a3c26d76bdafce34656d6643963490f4_elex_remcos_wannacry.exe
- Size 60KB
- Sample261106-rcc8dsbz3v
- SHA256 b5504f17658ee3b3df199693aa91c85d8968e911aa49e315ddd6d2727893c5b2
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
- Custom signatureDetects 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\2026-11-05_a3c26d76bdafce34656d6643963490f4_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-05_a3c26d76bdafce34656d6643963490f4_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\{42626DE2-C583-4c5f-A3C3-28FC5DEA28AD}.exeC:\Windows\{42626DE2-C583-4c5f-A3C3-28FC5DEA28AD}.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\{A7D99AD9-FA2D-43cb-9456-705AE36A953F}.exeC:\Windows\{A7D99AD9-FA2D-43cb-9456-705AE36A953F}.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\{154C2B81-2823-4119-8659-B4A724B21134}.exeC:\Windows\{154C2B81-2823-4119-8659-B4A724B21134}.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\{9126236E-87FA-4c04-8F30-EF4F9E05D479}.exeC:\Windows\{9126236E-87FA-4c04-8F30-EF4F9E05D479}.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\{CEFEE945-F86A-4b14-816E-FE8B8FE5B145}.exeC:\Windows\{CEFEE945-F86A-4b14-816E-FE8B8FE5B145}.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\{5234E23E-96B9-4e6a-87C8-73FAE3BD27F2}.exeC:\Windows\{5234E23E-96B9-4e6a-87C8-73FAE3BD27F2}.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\{7FF63A43-2879-4e0b-B47E-51FCA3846E97}.exeC:\Windows\{7FF63A43-2879-4e0b-B47E-51FCA3846E97}.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\{E8F1A4B4-4CAA-4c3d-99D4-6E39CC6F971B}.exeC:\Windows\{E8F1A4B4-4CAA-4c3d-99D4-6E39CC6F971B}.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\{503DE00D-9E9D-443a-A46B-13C120DC9C84}.exeC:\Windows\{503DE00D-9E9D-443a-A46B-13C120DC9C84}.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\{40F8800B-C1C5-4d0a-9EAD-083FC6705235}.exeC:\Windows\{40F8800B-C1C5-4d0a-9EAD-083FC6705235}.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\{7ECE282A-A1A2-4631-B7D0-6B3A52729B71}.exeC:\Windows\{7ECE282A-A1A2-4631-B7D0-6B3A52729B71}.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\{40F88~1.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\{503DE~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\{E8F1A~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\{7FF63~1.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\{5234E~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\{CEFEE~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\{91262~1.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\{154C2~1.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\{A7D99~1.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\{42626~1.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
{154C2B81-2823-4119-8659-B4A724B21134}.exe
{40F8800B-C1C5-4d0a-9EAD-083FC6705235}.exe
{42626DE2-C583-4c5f-A3C3-28FC5DEA28AD}.exe
{503DE00D-9E9D-443a-A46B-13C120DC9C84}.exe
{5234E23E-96B9-4e6a-87C8-73FAE3BD27F2}.exe
{7ECE282A-A1A2-4631-B7D0-6B3A52729B71}.exe
{7FF63A43-2879-4e0b-B47E-51FCA3846E97}.exe
{9126236E-87FA-4c04-8F30-EF4F9E05D479}.exe
{A7D99AD9-FA2D-43cb-9456-705AE36A953F}.exe
{CEFEE945-F86A-4b14-816E-FE8B8FE5B145}.exe
{E8F1A4B4-4CAA-4c3d-99D4-6E39CC6F971B}.exe