Analysis
- max time kernel
148s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
24/08/2026, 02:41
General
- Target 2026-08-23_a55b926086b10495ce26322d6ff33e57_elex_remcos_wannacry.exe
- Size 79KB
- Sample260824-c6ynvssdne
- SHA256 17ef65ad1f9b0057542c6ce3128ff19d4d0f463be9252a97c666a2d6a894d346
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\2026-08-23_a55b926086b10495ce26322d6ff33e57_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-23_a55b926086b10495ce26322d6ff33e57_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\{7F285107-0311-4482-BC4A-C4B2FA9B1223}.exeC:\Windows\{7F285107-0311-4482-BC4A-C4B2FA9B1223}.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\{19E142C8-EA95-4a25-AF6C-6FDDB280454C}.exeC:\Windows\{19E142C8-EA95-4a25-AF6C-6FDDB280454C}.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\{90A881BA-9C81-42d2-BE01-7C55746BF9AD}.exeC:\Windows\{90A881BA-9C81-42d2-BE01-7C55746BF9AD}.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\{DEC33C01-2278-402c-B551-31850086118A}.exeC:\Windows\{DEC33C01-2278-402c-B551-31850086118A}.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\{C56EFACC-B550-47a1-94A3-519D0A0B9F96}.exeC:\Windows\{C56EFACC-B550-47a1-94A3-519D0A0B9F96}.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\{B0664BA6-CED2-4104-9D9D-91F586B2502D}.exeC:\Windows\{B0664BA6-CED2-4104-9D9D-91F586B2502D}.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\{95F2EA7C-906C-4205-B369-8A92626E0AB2}.exeC:\Windows\{95F2EA7C-906C-4205-B369-8A92626E0AB2}.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\{8FF1A10F-4C92-4c42-B500-7B15DDAF88A4}.exeC:\Windows\{8FF1A10F-4C92-4c42-B500-7B15DDAF88A4}.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\{75F6DC76-5031-4cfd-815C-CEE2484FFAE7}.exeC:\Windows\{75F6DC76-5031-4cfd-815C-CEE2484FFAE7}.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\{A4F5BDBF-3DB7-45e8-BC0B-BC4E67ECDD60}.exeC:\Windows\{A4F5BDBF-3DB7-45e8-BC0B-BC4E67ECDD60}.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\{5226CAA7-929D-49ee-B265-6A331EDD5242}.exeC:\Windows\{5226CAA7-929D-49ee-B265-6A331EDD5242}.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\{A4F5B~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\{75F6D~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\{8FF1A~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\{95F2E~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\{B0664~1.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\{C56EF~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\{DEC33~1.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\{90A88~1.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\{19E14~1.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\{7F285~1.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
{19E142C8-EA95-4a25-AF6C-6FDDB280454C}.exe
{5226CAA7-929D-49ee-B265-6A331EDD5242}.exe
{75F6DC76-5031-4cfd-815C-CEE2484FFAE7}.exe
{7F285107-0311-4482-BC4A-C4B2FA9B1223}.exe
{8FF1A10F-4C92-4c42-B500-7B15DDAF88A4}.exe
{90A881BA-9C81-42d2-BE01-7C55746BF9AD}.exe
{95F2EA7C-906C-4205-B369-8A92626E0AB2}.exe
{A4F5BDBF-3DB7-45e8-BC0B-BC4E67ECDD60}.exe
{B0664BA6-CED2-4104-9D9D-91F586B2502D}.exe
{C56EFACC-B550-47a1-94A3-519D0A0B9F96}.exe
{DEC33C01-2278-402c-B551-31850086118A}.exe