Analysis
- max time kernel
148s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
31/07/2026, 07:17
General
- Target 2026-07-31_88b7251732c2b53dccc557ad185bf820_elex_remcos_wannacry.exe
- Size 79KB
- Sample260731-h4e2maxzes
- SHA256 681f8217efff9798eeaa105b361d7fa4f5c405cc070b4bf14426301cca32a246
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\2026-07-31_88b7251732c2b53dccc557ad185bf820_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-31_88b7251732c2b53dccc557ad185bf820_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\{EE928B8D-15BD-45da-819A-79E541B4CBAC}.exeC:\Windows\{EE928B8D-15BD-45da-819A-79E541B4CBAC}.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\{720BC290-9745-4527-9477-D44C81BBEB3A}.exeC:\Windows\{720BC290-9745-4527-9477-D44C81BBEB3A}.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\{E6670FCB-37A0-4096-B8EE-214CCC4F3C58}.exeC:\Windows\{E6670FCB-37A0-4096-B8EE-214CCC4F3C58}.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\{9F0C254C-D303-4db3-BB3F-47910FA1F7BB}.exeC:\Windows\{9F0C254C-D303-4db3-BB3F-47910FA1F7BB}.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\{8B9FFD4D-F1FC-4652-8B8A-6A152E82BAD8}.exeC:\Windows\{8B9FFD4D-F1FC-4652-8B8A-6A152E82BAD8}.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\{DF6C663E-3D47-49c3-A1CC-62E70DFEC84F}.exeC:\Windows\{DF6C663E-3D47-49c3-A1CC-62E70DFEC84F}.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\{B47E912A-6C0A-447b-BCA0-498A0782D95E}.exeC:\Windows\{B47E912A-6C0A-447b-BCA0-498A0782D95E}.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\{FD92E84D-4AC1-4d93-B960-DB21D897F73D}.exeC:\Windows\{FD92E84D-4AC1-4d93-B960-DB21D897F73D}.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\{F3490031-1BAF-4be9-AB6A-AB8DD3EC3A5B}.exeC:\Windows\{F3490031-1BAF-4be9-AB6A-AB8DD3EC3A5B}.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\{9C79E5D9-2DCD-4146-ADD2-90F9B41EF7FD}.exeC:\Windows\{9C79E5D9-2DCD-4146-ADD2-90F9B41EF7FD}.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\{28F87588-D971-4eb1-A452-45CE78A82224}.exeC:\Windows\{28F87588-D971-4eb1-A452-45CE78A82224}.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\{9C79E~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\{F3490~1.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\{FD92E~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\{B47E9~1.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\{DF6C6~1.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\{8B9FF~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\{9F0C2~1.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\{E6670~1.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\{720BC~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\{EE928~1.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\2026-0~1.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
{28F87588-D971-4eb1-A452-45CE78A82224}.exe
{720BC290-9745-4527-9477-D44C81BBEB3A}.exe
{8B9FFD4D-F1FC-4652-8B8A-6A152E82BAD8}.exe
{9C79E5D9-2DCD-4146-ADD2-90F9B41EF7FD}.exe
{9F0C254C-D303-4db3-BB3F-47910FA1F7BB}.exe
{B47E912A-6C0A-447b-BCA0-498A0782D95E}.exe
{DF6C663E-3D47-49c3-A1CC-62E70DFEC84F}.exe
{E6670FCB-37A0-4096-B8EE-214CCC4F3C58}.exe
{EE928B8D-15BD-45da-819A-79E541B4CBAC}.exe
{F3490031-1BAF-4be9-AB6A-AB8DD3EC3A5B}.exe
{FD92E84D-4AC1-4d93-B960-DB21D897F73D}.exe