Analysis
- max time kernel
148s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
31/07/2026, 14:13
General
- Target 2026-07-31_7de49321e07558433bc14c35d8a453eb_elex_remcos_wannacry.exe
- Size 79KB
- Sample260731-rjs77ahn3v
- SHA256 06260abbc9ba3361ac4c90e9663c60d9e6968b0e63e01cc41217474127ea2fb7
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_7de49321e07558433bc14c35d8a453eb_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-31_7de49321e07558433bc14c35d8a453eb_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\{325EE853-CAEC-433a-A352-1D7C980C8DC9}.exeC:\Windows\{325EE853-CAEC-433a-A352-1D7C980C8DC9}.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\{037F11EC-0EFB-4cf5-9980-20478E84EF6E}.exeC:\Windows\{037F11EC-0EFB-4cf5-9980-20478E84EF6E}.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\{396D8A84-3C57-4f68-AC22-A764033DDD1C}.exeC:\Windows\{396D8A84-3C57-4f68-AC22-A764033DDD1C}.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\{3445A4A7-A735-4726-A68C-E6533E343828}.exeC:\Windows\{3445A4A7-A735-4726-A68C-E6533E343828}.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\{F995E4F2-45BE-4aeb-9CB2-BA34ADA9291C}.exeC:\Windows\{F995E4F2-45BE-4aeb-9CB2-BA34ADA9291C}.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\{2F4597A1-3BFB-4897-8D12-ED835573C9D0}.exeC:\Windows\{2F4597A1-3BFB-4897-8D12-ED835573C9D0}.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\{51C6EA02-58E6-4a42-B602-CB97829AF28B}.exeC:\Windows\{51C6EA02-58E6-4a42-B602-CB97829AF28B}.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\{82086BAE-FC01-4f89-AE65-0D0D3D42AC77}.exeC:\Windows\{82086BAE-FC01-4f89-AE65-0D0D3D42AC77}.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\{76881F62-A074-4c4d-89E2-12A8616A532A}.exeC:\Windows\{76881F62-A074-4c4d-89E2-12A8616A532A}.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\{B5CEA3B3-4395-4edd-BDD8-78D0BA480F55}.exeC:\Windows\{B5CEA3B3-4395-4edd-BDD8-78D0BA480F55}.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\{4BD0DCDF-84FC-4a4d-BCE9-3219511022A6}.exeC:\Windows\{4BD0DCDF-84FC-4a4d-BCE9-3219511022A6}.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\{B5CEA~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\{76881~1.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\{82086~1.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\{51C6E~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\{2F459~1.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\{F995E~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\{3445A~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\{396D8~1.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\{037F1~1.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\{325EE~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
{037F11EC-0EFB-4cf5-9980-20478E84EF6E}.exe
{2F4597A1-3BFB-4897-8D12-ED835573C9D0}.exe
{325EE853-CAEC-433a-A352-1D7C980C8DC9}.exe
{3445A4A7-A735-4726-A68C-E6533E343828}.exe
{396D8A84-3C57-4f68-AC22-A764033DDD1C}.exe
{4BD0DCDF-84FC-4a4d-BCE9-3219511022A6}.exe
{51C6EA02-58E6-4a42-B602-CB97829AF28B}.exe
{76881F62-A074-4c4d-89E2-12A8616A532A}.exe
{82086BAE-FC01-4f89-AE65-0D0D3D42AC77}.exe
{B5CEA3B3-4395-4edd-BDD8-78D0BA480F55}.exe
{F995E4F2-45BE-4aeb-9CB2-BA34ADA9291C}.exe