Analysis
- max time kernel
148s - max time network
124s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
22/08/2026, 10:43
General
- Target 2026-08-21_8e5428775f5fb253819d667dd6c9df04_elex_remcos_wannacry.exe
- Size 79KB
- Sample260822-msrnhaxyey
- SHA256 ec4b95565dab9805c34f579f359efe11977f59799bf9f0dc182ef192ceb5981f
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\2026-08-21_8e5428775f5fb253819d667dd6c9df04_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-21_8e5428775f5fb253819d667dd6c9df04_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\{7FAD6680-20BE-4200-AD8E-A0A297EC3CCA}.exeC:\Windows\{7FAD6680-20BE-4200-AD8E-A0A297EC3CCA}.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\{F132BC42-322A-4849-960B-C7CEA1427C92}.exeC:\Windows\{F132BC42-322A-4849-960B-C7CEA1427C92}.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\{443E0368-6C01-459e-9808-DC60DED34984}.exeC:\Windows\{443E0368-6C01-459e-9808-DC60DED34984}.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\{B5F8198C-96A1-4334-98C7-5E97693E4403}.exeC:\Windows\{B5F8198C-96A1-4334-98C7-5E97693E4403}.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\{5019DF52-F9D8-49de-99B8-7EF264F84719}.exeC:\Windows\{5019DF52-F9D8-49de-99B8-7EF264F84719}.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\{A4961E5B-476E-491b-B166-B620A4CEE23C}.exeC:\Windows\{A4961E5B-476E-491b-B166-B620A4CEE23C}.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\{385B211E-73F5-4d48-992B-8C589D6FF49E}.exeC:\Windows\{385B211E-73F5-4d48-992B-8C589D6FF49E}.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\{F9B819AA-9C9C-4f09-AB32-A0A7E0E2F0BD}.exeC:\Windows\{F9B819AA-9C9C-4f09-AB32-A0A7E0E2F0BD}.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\{C42C30B3-225E-4698-B928-D202041F1395}.exeC:\Windows\{C42C30B3-225E-4698-B928-D202041F1395}.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\{81D0FE8A-5897-46e4-B43C-25E10E291E04}.exeC:\Windows\{81D0FE8A-5897-46e4-B43C-25E10E291E04}.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\{AC8C3CAE-BB8F-43b0-B8B2-D01ADA572C6E}.exeC:\Windows\{AC8C3CAE-BB8F-43b0-B8B2-D01ADA572C6E}.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\{81D0F~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\{C42C3~1.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\{F9B81~1.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\{385B2~1.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\{A4961~1.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\{5019D~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\{B5F81~1.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\{443E0~1.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\{F132B~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\{7FAD6~1.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
{385B211E-73F5-4d48-992B-8C589D6FF49E}.exe
{443E0368-6C01-459e-9808-DC60DED34984}.exe
{5019DF52-F9D8-49de-99B8-7EF264F84719}.exe
{7FAD6680-20BE-4200-AD8E-A0A297EC3CCA}.exe
{81D0FE8A-5897-46e4-B43C-25E10E291E04}.exe
{A4961E5B-476E-491b-B166-B620A4CEE23C}.exe
{AC8C3CAE-BB8F-43b0-B8B2-D01ADA572C6E}.exe
{B5F8198C-96A1-4334-98C7-5E97693E4403}.exe
{C42C30B3-225E-4698-B928-D202041F1395}.exe
{F132BC42-322A-4849-960B-C7CEA1427C92}.exe
{F9B819AA-9C9C-4f09-AB32-A0A7E0E2F0BD}.exe