Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
30/10/2026, 04:49
General
- Target 2026-10-28_4fecbbb74c2efbe52cad62b6fdeaa6ab_elex_remcos_wannacry.exe
- Size 60KB
- Sample261030-ffnyhsax2n
- SHA256 bcf7fb99d0526082cc0104e7a1c060b078c1693313d726ce9bc432e7e21ec831
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\2026-10-28_4fecbbb74c2efbe52cad62b6fdeaa6ab_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-28_4fecbbb74c2efbe52cad62b6fdeaa6ab_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\{8702BFFA-D378-449f-A109-94B40CDF7F62}.exeC:\Windows\{8702BFFA-D378-449f-A109-94B40CDF7F62}.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\{A8A8CFE5-02EA-4d1a-8D30-5978807CEE54}.exeC:\Windows\{A8A8CFE5-02EA-4d1a-8D30-5978807CEE54}.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\{F8676DAB-9F62-4756-A62D-9DEB40BDC896}.exeC:\Windows\{F8676DAB-9F62-4756-A62D-9DEB40BDC896}.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\{A17BB7B1-02F7-4cbc-A48C-F7DB101C3403}.exeC:\Windows\{A17BB7B1-02F7-4cbc-A48C-F7DB101C3403}.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\{B0BF7014-5B2D-4f36-A09D-75E76DED93CB}.exeC:\Windows\{B0BF7014-5B2D-4f36-A09D-75E76DED93CB}.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\{197DFC7C-16C4-4cca-8C36-C5CFE0C16D92}.exeC:\Windows\{197DFC7C-16C4-4cca-8C36-C5CFE0C16D92}.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\{CCC8A186-AAB0-4203-8091-6B8F8F99ED1E}.exeC:\Windows\{CCC8A186-AAB0-4203-8091-6B8F8F99ED1E}.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\{57D66CB6-1F35-4622-AC6B-0A14FD747251}.exeC:\Windows\{57D66CB6-1F35-4622-AC6B-0A14FD747251}.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\{38EE4FC7-774C-4ef3-AC71-D22B189680D0}.exeC:\Windows\{38EE4FC7-774C-4ef3-AC71-D22B189680D0}.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\{50C4EDA0-C8B8-48c3-B738-5755EA12DA10}.exeC:\Windows\{50C4EDA0-C8B8-48c3-B738-5755EA12DA10}.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\{4F1A9273-779E-4d83-94A4-B0E7F6985FAB}.exeC:\Windows\{4F1A9273-779E-4d83-94A4-B0E7F6985FAB}.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\{50C4E~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\{38EE4~1.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\{57D66~1.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\{CCC8A~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\{197DF~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\{B0BF7~1.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\{A17BB~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\{F8676~1.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\{A8A8C~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\{8702B~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\2026-1~1.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
{197DFC7C-16C4-4cca-8C36-C5CFE0C16D92}.exe
{38EE4FC7-774C-4ef3-AC71-D22B189680D0}.exe
{4F1A9273-779E-4d83-94A4-B0E7F6985FAB}.exe
{50C4EDA0-C8B8-48c3-B738-5755EA12DA10}.exe
{57D66CB6-1F35-4622-AC6B-0A14FD747251}.exe
{8702BFFA-D378-449f-A109-94B40CDF7F62}.exe
{A17BB7B1-02F7-4cbc-A48C-F7DB101C3403}.exe
{A8A8CFE5-02EA-4d1a-8D30-5978807CEE54}.exe
{B0BF7014-5B2D-4f36-A09D-75E76DED93CB}.exe
{CCC8A186-AAB0-4203-8091-6B8F8F99ED1E}.exe
{F8676DAB-9F62-4756-A62D-9DEB40BDC896}.exe