Analysis
- max time kernel
81s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
17/08/2026, 15:00
General
- Target 2026-08-17_d2a753b1f48edc159c0dec61dfa36f7c_elex_remcos_wannacry.exe
- Size 64KB
- Sample260817-sdmc5adj2y
- SHA256 03829d8526af1daff2f037cded2000127c80caa7caae1a90a2d13861a6766515
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 12 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
- Executes dropped EXE 6 IoCs
- Drops file in Windows directory 6 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 12 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 6 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-08-17_d2a753b1f48edc159c0dec61dfa36f7c_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-17_d2a753b1f48edc159c0dec61dfa36f7c_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\{A2775CAD-CFA3-4447-BA56-C50C8A89FEDD}.exeC:\Windows\{A2775CAD-CFA3-4447-BA56-C50C8A89FEDD}.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\{83F23FC5-1A4D-4031-8230-E29BF0AF2FE1}.exeC:\Windows\{83F23FC5-1A4D-4031-8230-E29BF0AF2FE1}.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\{562C9778-A05F-4553-9AAD-AE952B57484F}.exeC:\Windows\{562C9778-A05F-4553-9AAD-AE952B57484F}.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\{CD23D402-906E-4ca6-9875-7F0C1857C8BB}.exeC:\Windows\{CD23D402-906E-4ca6-9875-7F0C1857C8BB}.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\{8F1BC855-54AF-456f-B8DB-315768F2696E}.exeC:\Windows\{8F1BC855-54AF-456f-B8DB-315768F2696E}.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\{9F370F78-31D9-47d5-8E58-0D6FFFE846AA}.exeC:\Windows\{9F370F78-31D9-47d5-8E58-0D6FFFE846AA}.exe7⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Windows\{4F0050FE-E143-4931-8981-004607805437}.exeC:\Windows\{4F0050FE-E143-4931-8981-004607805437}.exe8⤵
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C:\Windows\{95BF1C60-8431-47d3-9130-3EC984F9FC9D}.exeC:\Windows\{95BF1C60-8431-47d3-9130-3EC984F9FC9D}.exe9⤵
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C:\Windows\{95FD490F-7AB8-463a-BE13-593CE103019E}.exeC:\Windows\{95FD490F-7AB8-463a-BE13-593CE103019E}.exe10⤵
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C:\Windows\{8BD29553-4CFA-453f-9BFE-43198E77787D}.exeC:\Windows\{8BD29553-4CFA-453f-9BFE-43198E77787D}.exe11⤵
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C:\Windows\{8DA6C19C-C13F-4660-B31F-220D3C8245C2}.exeC:\Windows\{8DA6C19C-C13F-4660-B31F-220D3C8245C2}.exe12⤵
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{8BD29~1.EXE > nul12⤵
- Executes a command shell one-liner
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{95FD4~1.EXE > nul11⤵
- Executes a command shell one-liner
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{95BF1~1.EXE > nul10⤵
- Executes a command shell one-liner
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{4F005~1.EXE > nul9⤵
- Executes a command shell one-liner
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{9F370~1.EXE > nul8⤵
- Executes a command shell one-liner
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{8F1BC~1.EXE > nul7⤵
- Executes a command shell one-liner
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{CD23D~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\{562C9~1.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\{83F23~1.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\{A2775~1.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
{4F0050FE-E143-4931-8981-004607805437}.exe
{562C9778-A05F-4553-9AAD-AE952B57484F}.exe
{83F23FC5-1A4D-4031-8230-E29BF0AF2FE1}.exe
{8BD29553-4CFA-453f-9BFE-43198E77787D}.exe
{8DA6C19C-C13F-4660-B31F-220D3C8245C2}.exe
{8F1BC855-54AF-456f-B8DB-315768F2696E}.exe
{95BF1C60-8431-47d3-9130-3EC984F9FC9D}.exe
{95FD490F-7AB8-463a-BE13-593CE103019E}.exe
{9F370F78-31D9-47d5-8E58-0D6FFFE846AA}.exe
{A2775CAD-CFA3-4447-BA56-C50C8A89FEDD}.exe
{CD23D402-906E-4ca6-9875-7F0C1857C8BB}.exe
memory/248-27-0x0000000000400000-0x0000000000410000-memory.dmp
memory/248-34-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2520-49-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2520-56-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2736-69-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2736-65-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2736-63-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3188-21-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3188-28-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3968-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3968-1-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3968-7-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4128-62-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4128-55-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4576-35-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4576-41-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4956-77-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5132-71-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5132-78-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5852-48-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5852-42-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5860-12-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5860-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/6080-14-0x0000000000400000-0x0000000000410000-memory.dmp
memory/6080-19-0x0000000000400000-0x0000000000410000-memory.dmp