Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
24/10/2026, 14:08
General
- Target 2026-10-22_4a667175c07ca19b18c4213531dcfc5d_elex_remcos_wannacry.exe
- Size 59KB
- Sample261024-rfjvcacs3n
- SHA256 2ff35e9a59f05ba3946c68fa7998891f9e961cba37355082a8da78822824e636
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\2026-10-22_4a667175c07ca19b18c4213531dcfc5d_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-22_4a667175c07ca19b18c4213531dcfc5d_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\{65E41557-6F3D-443a-9DD4-2D2C742F6412}.exeC:\Windows\{65E41557-6F3D-443a-9DD4-2D2C742F6412}.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\{BFF8A0FD-65A6-4881-ABE6-32807252AE79}.exeC:\Windows\{BFF8A0FD-65A6-4881-ABE6-32807252AE79}.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\{CFEB100D-7082-408a-B04A-CD2F646449BC}.exeC:\Windows\{CFEB100D-7082-408a-B04A-CD2F646449BC}.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\{5477AAE3-78D4-49e6-8BB0-005480BCFB0E}.exeC:\Windows\{5477AAE3-78D4-49e6-8BB0-005480BCFB0E}.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\{5A3A1956-D613-4ab9-85CC-743F021173CB}.exeC:\Windows\{5A3A1956-D613-4ab9-85CC-743F021173CB}.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\{19C5BFE9-0150-48a4-AF47-5AF88FC38575}.exeC:\Windows\{19C5BFE9-0150-48a4-AF47-5AF88FC38575}.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\{217F5033-14CE-473a-AD69-ADA8FA6D9D5E}.exeC:\Windows\{217F5033-14CE-473a-AD69-ADA8FA6D9D5E}.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\{6346498D-9DF9-4fb4-B96D-CC49579C2E82}.exeC:\Windows\{6346498D-9DF9-4fb4-B96D-CC49579C2E82}.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\{9815A81E-6E64-4d87-85FE-A9D901E3E583}.exeC:\Windows\{9815A81E-6E64-4d87-85FE-A9D901E3E583}.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\{6AD44D87-C9AC-44fa-A5BF-D9C085EFF2B7}.exeC:\Windows\{6AD44D87-C9AC-44fa-A5BF-D9C085EFF2B7}.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\{FA4BDD43-9C19-46db-B6F9-0475D929C904}.exeC:\Windows\{FA4BDD43-9C19-46db-B6F9-0475D929C904}.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\{6AD44~1.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\{9815A~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\{63464~1.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\{217F5~1.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\{19C5B~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\{5A3A1~1.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\{5477A~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\{CFEB1~1.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\{BFF8A~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\{65E41~1.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
{19C5BFE9-0150-48a4-AF47-5AF88FC38575}.exe
{217F5033-14CE-473a-AD69-ADA8FA6D9D5E}.exe
{5477AAE3-78D4-49e6-8BB0-005480BCFB0E}.exe
{5A3A1956-D613-4ab9-85CC-743F021173CB}.exe
{6346498D-9DF9-4fb4-B96D-CC49579C2E82}.exe
{65E41557-6F3D-443a-9DD4-2D2C742F6412}.exe
{6AD44D87-C9AC-44fa-A5BF-D9C085EFF2B7}.exe
{9815A81E-6E64-4d87-85FE-A9D901E3E583}.exe
{BFF8A0FD-65A6-4881-ABE6-32807252AE79}.exe
{CFEB100D-7082-408a-B04A-CD2F646449BC}.exe
{FA4BDD43-9C19-46db-B6F9-0475D929C904}.exe