Analysis
- max time kernel
149s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
26/10/2026, 14:02
General
- Target 2026-10-25_bd999685b8e043662476a1d43e445467_elex_remcos_wannacry.exe
- Size 79KB
- Sample261026-rb33esbc39
- SHA256 530b38c0ab9bd0d52bdb204238c54083ecf59349f7712e8bb2950c23bb37df1b
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\2026-10-25_bd999685b8e043662476a1d43e445467_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-25_bd999685b8e043662476a1d43e445467_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\{492B4949-589A-48e2-ACCA-17A2D9C2FF18}.exeC:\Windows\{492B4949-589A-48e2-ACCA-17A2D9C2FF18}.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\{68DC3162-4A68-4036-9956-A3B8D9468996}.exeC:\Windows\{68DC3162-4A68-4036-9956-A3B8D9468996}.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\{81643C75-EBAC-42f0-B808-5D643E2DB09C}.exeC:\Windows\{81643C75-EBAC-42f0-B808-5D643E2DB09C}.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\{DCCD2B61-22DE-43ca-A32E-90ADE9FE478C}.exeC:\Windows\{DCCD2B61-22DE-43ca-A32E-90ADE9FE478C}.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\{037DB4FC-9013-459d-BD2F-C9889E9C9627}.exeC:\Windows\{037DB4FC-9013-459d-BD2F-C9889E9C9627}.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\{9EF9007A-EAEE-4b27-910B-5457D6EA303A}.exeC:\Windows\{9EF9007A-EAEE-4b27-910B-5457D6EA303A}.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\{8C6DE63F-1104-4559-8011-BB193A295769}.exeC:\Windows\{8C6DE63F-1104-4559-8011-BB193A295769}.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\{A83FC99E-E03A-437e-918C-F4886B73594C}.exeC:\Windows\{A83FC99E-E03A-437e-918C-F4886B73594C}.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\{6EF4C473-383A-40a4-B54D-826D6E381A77}.exeC:\Windows\{6EF4C473-383A-40a4-B54D-826D6E381A77}.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\{188BB945-8855-4d51-837A-5155B8DACE87}.exeC:\Windows\{188BB945-8855-4d51-837A-5155B8DACE87}.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\{7F3A227A-D0BC-471f-8F59-2ACD07D9A6F1}.exeC:\Windows\{7F3A227A-D0BC-471f-8F59-2ACD07D9A6F1}.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\{188BB~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\{6EF4C~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\{A83FC~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\{8C6DE~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\{9EF90~1.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\{037DB~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\{DCCD2~1.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\{81643~1.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\{68DC3~1.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\{492B4~1.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
{037DB4FC-9013-459d-BD2F-C9889E9C9627}.exe
{188BB945-8855-4d51-837A-5155B8DACE87}.exe
{492B4949-589A-48e2-ACCA-17A2D9C2FF18}.exe
{68DC3162-4A68-4036-9956-A3B8D9468996}.exe
{6EF4C473-383A-40a4-B54D-826D6E381A77}.exe
{7F3A227A-D0BC-471f-8F59-2ACD07D9A6F1}.exe
{81643C75-EBAC-42f0-B808-5D643E2DB09C}.exe
{8C6DE63F-1104-4559-8011-BB193A295769}.exe
{9EF9007A-EAEE-4b27-910B-5457D6EA303A}.exe
{A83FC99E-E03A-437e-918C-F4886B73594C}.exe
{DCCD2B61-22DE-43ca-A32E-90ADE9FE478C}.exe