Analysis
- max time kernel
149s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
27/10/2026, 02:32
General
- Target 2026-10-26_f20fd7b9ab678821d511d621e622317b_elex_remcos_wannacry.exe
- Size 60KB
- Sample261027-c1ec2aay8k
- SHA256 3f71041d07451e707971a93f7ce7c959b54e39dc761f40b325e89fa7e3a1f6de
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
- Custom signatureDetects 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\2026-10-26_f20fd7b9ab678821d511d621e622317b_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-26_f20fd7b9ab678821d511d621e622317b_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\{E55F873B-064C-471a-BE83-EC281FA3E164}.exeC:\Windows\{E55F873B-064C-471a-BE83-EC281FA3E164}.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\{3355085F-6172-4586-89E3-51AAB9D49EC7}.exeC:\Windows\{3355085F-6172-4586-89E3-51AAB9D49EC7}.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
-
C:\Windows\{2B109ADA-CF9F-4537-AE9E-F744D58F8AE2}.exeC:\Windows\{2B109ADA-CF9F-4537-AE9E-F744D58F8AE2}.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\{A963601C-153C-42e6-B05C-6509BD5B81C2}.exeC:\Windows\{A963601C-153C-42e6-B05C-6509BD5B81C2}.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\{65DE59AC-00A4-44da-B441-BD664A972282}.exeC:\Windows\{65DE59AC-00A4-44da-B441-BD664A972282}.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\{65ADE327-C612-40a2-AF6E-B1B2E5299AD9}.exeC:\Windows\{65ADE327-C612-40a2-AF6E-B1B2E5299AD9}.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\{851D34AF-AE74-4bf3-988A-8970256DEBFB}.exeC:\Windows\{851D34AF-AE74-4bf3-988A-8970256DEBFB}.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\{4857A00F-C5F2-4a18-9FCA-F9A528DD3942}.exeC:\Windows\{4857A00F-C5F2-4a18-9FCA-F9A528DD3942}.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\{9D05E1AC-E0A5-4968-BE02-C1AB60ACB97B}.exeC:\Windows\{9D05E1AC-E0A5-4968-BE02-C1AB60ACB97B}.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\{15141DCE-7E5D-4da1-AE40-AAA05E888F8D}.exeC:\Windows\{15141DCE-7E5D-4da1-AE40-AAA05E888F8D}.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\{1ABAF787-877B-4f24-804E-7315B0971FFA}.exeC:\Windows\{1ABAF787-877B-4f24-804E-7315B0971FFA}.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\{15141~1.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\{9D05E~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\{4857A~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\{851D3~1.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\{65ADE~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\{65DE5~1.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\{A9636~1.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\{2B109~1.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\{33550~1.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\{E55F8~1.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
{15141DCE-7E5D-4da1-AE40-AAA05E888F8D}.exe
{1ABAF787-877B-4f24-804E-7315B0971FFA}.exe
{2B109ADA-CF9F-4537-AE9E-F744D58F8AE2}.exe
{3355085F-6172-4586-89E3-51AAB9D49EC7}.exe
{4857A00F-C5F2-4a18-9FCA-F9A528DD3942}.exe
{65ADE327-C612-40a2-AF6E-B1B2E5299AD9}.exe
{65DE59AC-00A4-44da-B441-BD664A972282}.exe
{851D34AF-AE74-4bf3-988A-8970256DEBFB}.exe
{9D05E1AC-E0A5-4968-BE02-C1AB60ACB97B}.exe
{A963601C-153C-42e6-B05C-6509BD5B81C2}.exe
{E55F873B-064C-471a-BE83-EC281FA3E164}.exe