Analysis
- max time kernel
148s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
18/08/2026, 00:23
General
- Target 2026-08-17_5c330a8c7e0196141d40a888aeccbf47_elex_remcos_wannacry.exe
- Size 59KB
- Sample260818-apnffsbp8x
- SHA256 b56a8b1a8f747bcbd55e19ddd6041563c6a0a60dc62da8fedd3603af5fcc2279
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\2026-08-17_5c330a8c7e0196141d40a888aeccbf47_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-17_5c330a8c7e0196141d40a888aeccbf47_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\{952AA48B-9B73-4b1c-98B6-548F8C7EA5FB}.exeC:\Windows\{952AA48B-9B73-4b1c-98B6-548F8C7EA5FB}.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\{CC3F9FA0-A9CE-426a-9FBE-4DBAB5C902E1}.exeC:\Windows\{CC3F9FA0-A9CE-426a-9FBE-4DBAB5C902E1}.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\{05FE6B41-D035-4ece-9E02-52813C1E5259}.exeC:\Windows\{05FE6B41-D035-4ece-9E02-52813C1E5259}.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\{B383C493-39FB-49d7-8C96-56C5D0B2BF60}.exeC:\Windows\{B383C493-39FB-49d7-8C96-56C5D0B2BF60}.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\{3B8FDDEF-FFBC-455e-9635-CE7965801348}.exeC:\Windows\{3B8FDDEF-FFBC-455e-9635-CE7965801348}.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\{5731A15D-689B-45aa-A7FB-B96945E486C4}.exeC:\Windows\{5731A15D-689B-45aa-A7FB-B96945E486C4}.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\{7F99D300-D74E-467f-B589-F89227B882FD}.exeC:\Windows\{7F99D300-D74E-467f-B589-F89227B882FD}.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\{8DC4332A-E2A1-4738-9FC0-4635055523C5}.exeC:\Windows\{8DC4332A-E2A1-4738-9FC0-4635055523C5}.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\{8B645A03-CE6B-479a-AB25-C70521FEB92D}.exeC:\Windows\{8B645A03-CE6B-479a-AB25-C70521FEB92D}.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\{5B4BD0BF-6E36-4159-A367-300C472836CA}.exeC:\Windows\{5B4BD0BF-6E36-4159-A367-300C472836CA}.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\{E5BAA2EE-8648-48ae-8ABA-07A47431C9E6}.exeC:\Windows\{E5BAA2EE-8648-48ae-8ABA-07A47431C9E6}.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\{5B4BD~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\{8B645~1.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\{8DC43~1.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\{7F99D~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\{5731A~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\{3B8FD~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\{B383C~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\{05FE6~1.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\{CC3F9~1.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\{952AA~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
{05FE6B41-D035-4ece-9E02-52813C1E5259}.exe
{3B8FDDEF-FFBC-455e-9635-CE7965801348}.exe
{5731A15D-689B-45aa-A7FB-B96945E486C4}.exe
{5B4BD0BF-6E36-4159-A367-300C472836CA}.exe
{7F99D300-D74E-467f-B589-F89227B882FD}.exe
{8B645A03-CE6B-479a-AB25-C70521FEB92D}.exe
{8DC4332A-E2A1-4738-9FC0-4635055523C5}.exe
{952AA48B-9B73-4b1c-98B6-548F8C7EA5FB}.exe
{B383C493-39FB-49d7-8C96-56C5D0B2BF60}.exe
{CC3F9FA0-A9CE-426a-9FBE-4DBAB5C902E1}.exe
{E5BAA2EE-8648-48ae-8ABA-07A47431C9E6}.exe