Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
20/10/2026, 16:47
General
- Target 2026-10-19_708d74fd5def74172ed02a059d4818cd_elex_remcos_wannacry.exe
- Size 59KB
- Sample261020-valcrsf16p
- SHA256 ffc547044538edda75181f5b0ea7245a34518315a09cc82e7d51f92f14e38a60
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\2026-10-19_708d74fd5def74172ed02a059d4818cd_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-19_708d74fd5def74172ed02a059d4818cd_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\{4E1395E9-EDB1-4d6a-8369-AD8E6D59A704}.exeC:\Windows\{4E1395E9-EDB1-4d6a-8369-AD8E6D59A704}.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\{6155E54B-C94B-4dd6-9FE2-6D93AAFF4B81}.exeC:\Windows\{6155E54B-C94B-4dd6-9FE2-6D93AAFF4B81}.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\{8AB5A510-F723-4dc9-B0F2-8EF0FAC60F90}.exeC:\Windows\{8AB5A510-F723-4dc9-B0F2-8EF0FAC60F90}.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\{EC2ECFEE-6A7A-472e-B034-FA012AD224FD}.exeC:\Windows\{EC2ECFEE-6A7A-472e-B034-FA012AD224FD}.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\{40BCFCFE-4CF6-4014-9E03-492DAF3AAA61}.exeC:\Windows\{40BCFCFE-4CF6-4014-9E03-492DAF3AAA61}.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\{9B91A015-5DB2-46e3-A7EF-A7D379BBBB1F}.exeC:\Windows\{9B91A015-5DB2-46e3-A7EF-A7D379BBBB1F}.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\{352818CA-20DC-4852-8A68-765DC57FB6F5}.exeC:\Windows\{352818CA-20DC-4852-8A68-765DC57FB6F5}.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\{DAF317AF-3EE0-47e3-A59C-EDDBC381F7F5}.exeC:\Windows\{DAF317AF-3EE0-47e3-A59C-EDDBC381F7F5}.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\{89F2EB01-84C5-49c4-9D70-50DEBC91EFB5}.exeC:\Windows\{89F2EB01-84C5-49c4-9D70-50DEBC91EFB5}.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
-
C:\Windows\{BD4A314D-A304-458d-8D93-CAB0F13D475F}.exeC:\Windows\{BD4A314D-A304-458d-8D93-CAB0F13D475F}.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\{F96E391C-DC5C-4593-ACE0-5F783E072839}.exeC:\Windows\{F96E391C-DC5C-4593-ACE0-5F783E072839}.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\{BD4A3~1.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\{89F2E~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\{DAF31~1.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\{35281~1.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\{9B91A~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\{40BCF~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\{EC2EC~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\{8AB5A~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\{6155E~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\{4E139~1.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
{352818CA-20DC-4852-8A68-765DC57FB6F5}.exe
{40BCFCFE-4CF6-4014-9E03-492DAF3AAA61}.exe
{4E1395E9-EDB1-4d6a-8369-AD8E6D59A704}.exe
{6155E54B-C94B-4dd6-9FE2-6D93AAFF4B81}.exe
{89F2EB01-84C5-49c4-9D70-50DEBC91EFB5}.exe
{8AB5A510-F723-4dc9-B0F2-8EF0FAC60F90}.exe
{9B91A015-5DB2-46e3-A7EF-A7D379BBBB1F}.exe
{BD4A314D-A304-458d-8D93-CAB0F13D475F}.exe
{DAF317AF-3EE0-47e3-A59C-EDDBC381F7F5}.exe
{EC2ECFEE-6A7A-472e-B034-FA012AD224FD}.exe
{F96E391C-DC5C-4593-ACE0-5F783E072839}.exe