Analysis
- max time kernel
148s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
29/10/2026, 19:23
General
- Target 2026-10-28_c214d221d860b350056018b06c3da888_elex_remcos_wannacry.exe
- Size 79KB
- Sample261029-x36khset7s
- SHA256 5722fc5c0edf2fbca8a955d7d322760c394ea17f297e01eb95c992ebfa29704e
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_c214d221d860b350056018b06c3da888_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-28_c214d221d860b350056018b06c3da888_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\{6B771EB7-4983-4075-871D-D6DBABF72402}.exeC:\Windows\{6B771EB7-4983-4075-871D-D6DBABF72402}.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\{390C3239-5D73-45dd-B07E-31CD6E7259A8}.exeC:\Windows\{390C3239-5D73-45dd-B07E-31CD6E7259A8}.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\{A7E3C6E7-D14F-4050-8B88-F2895536A81C}.exeC:\Windows\{A7E3C6E7-D14F-4050-8B88-F2895536A81C}.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\{44CD149D-41DB-462b-A1B5-5BDE8725BBF1}.exeC:\Windows\{44CD149D-41DB-462b-A1B5-5BDE8725BBF1}.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\{FEBE6166-C954-4509-8F44-C5BAB6411795}.exeC:\Windows\{FEBE6166-C954-4509-8F44-C5BAB6411795}.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\{5F0F6669-FB1B-4952-BC74-3433C8EB3E93}.exeC:\Windows\{5F0F6669-FB1B-4952-BC74-3433C8EB3E93}.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\{FF8AB393-8363-412a-84EA-2C9E945FC29E}.exeC:\Windows\{FF8AB393-8363-412a-84EA-2C9E945FC29E}.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\{9416241D-CB3C-483c-B01F-8C6F39068EC3}.exeC:\Windows\{9416241D-CB3C-483c-B01F-8C6F39068EC3}.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\{94C55EC7-8CBE-4092-8EA3-4FCE2F89FE24}.exeC:\Windows\{94C55EC7-8CBE-4092-8EA3-4FCE2F89FE24}.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\{3B1A6812-302B-4baf-A26B-82842C8C2C68}.exeC:\Windows\{3B1A6812-302B-4baf-A26B-82842C8C2C68}.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\{C233EF10-BC14-45a9-BB66-DAFBA0A08909}.exeC:\Windows\{C233EF10-BC14-45a9-BB66-DAFBA0A08909}.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\{3B1A6~1.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\{94C55~1.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\{94162~1.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\{FF8AB~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\{5F0F6~1.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\{FEBE6~1.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\{44CD1~1.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\{A7E3C~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\{390C3~1.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\{6B771~1.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
{390C3239-5D73-45dd-B07E-31CD6E7259A8}.exe
{3B1A6812-302B-4baf-A26B-82842C8C2C68}.exe
{44CD149D-41DB-462b-A1B5-5BDE8725BBF1}.exe
{5F0F6669-FB1B-4952-BC74-3433C8EB3E93}.exe
{6B771EB7-4983-4075-871D-D6DBABF72402}.exe
{9416241D-CB3C-483c-B01F-8C6F39068EC3}.exe
{94C55EC7-8CBE-4092-8EA3-4FCE2F89FE24}.exe
{A7E3C6E7-D14F-4050-8B88-F2895536A81C}.exe
{C233EF10-BC14-45a9-BB66-DAFBA0A08909}.exe
{FEBE6166-C954-4509-8F44-C5BAB6411795}.exe
{FF8AB393-8363-412a-84EA-2C9E945FC29E}.exe