Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
16/08/2026, 17:59
General
- Target 2026-08-16_586367bddf4d1c5b840c78e941422a75_elex_remcos_wannacry.exe
- Size 79KB
- Sample260816-wkztkstemb
- SHA256 c0ffa27373a7c6bbea7ada153c029bdba767b9d9c63e3d223f3034d056c5c14d
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\2026-08-16_586367bddf4d1c5b840c78e941422a75_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-16_586367bddf4d1c5b840c78e941422a75_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\{61E614A2-EBA5-40be-89EC-24B1C6560BB6}.exeC:\Windows\{61E614A2-EBA5-40be-89EC-24B1C6560BB6}.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\{013F7F65-4EE6-4489-B318-0307011FADE3}.exeC:\Windows\{013F7F65-4EE6-4489-B318-0307011FADE3}.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\{1A7A2D3B-4A06-41e6-8B18-164A23063085}.exeC:\Windows\{1A7A2D3B-4A06-41e6-8B18-164A23063085}.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\{60C5930F-8307-40ad-B822-63182F72E261}.exeC:\Windows\{60C5930F-8307-40ad-B822-63182F72E261}.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\{92843766-EA12-40d2-9BF8-80330716769C}.exeC:\Windows\{92843766-EA12-40d2-9BF8-80330716769C}.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\{B4147EF6-A117-4d1f-B175-F5BA787D3B00}.exeC:\Windows\{B4147EF6-A117-4d1f-B175-F5BA787D3B00}.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
-
C:\Windows\{54D23B8A-4FEF-40de-AC2D-E5277E7DD8D2}.exeC:\Windows\{54D23B8A-4FEF-40de-AC2D-E5277E7DD8D2}.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\{E935DACC-7D24-4e6c-A10F-6D4C19602BF1}.exeC:\Windows\{E935DACC-7D24-4e6c-A10F-6D4C19602BF1}.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\{DB7E9871-0B6A-49ba-9AF7-C67AF744BA65}.exeC:\Windows\{DB7E9871-0B6A-49ba-9AF7-C67AF744BA65}.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\{E2C548CA-11EF-45cc-BD17-852EEB170C07}.exeC:\Windows\{E2C548CA-11EF-45cc-BD17-852EEB170C07}.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\{666EBAC9-21AE-4e9b-A192-173973244399}.exeC:\Windows\{666EBAC9-21AE-4e9b-A192-173973244399}.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\{E2C54~1.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\{DB7E9~1.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\{E935D~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\{54D23~1.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\{B4147~1.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\{92843~1.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\{60C59~1.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\{1A7A2~1.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\{013F7~1.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\{61E61~1.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\2026-0~1.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
{013F7F65-4EE6-4489-B318-0307011FADE3}.exe
{1A7A2D3B-4A06-41e6-8B18-164A23063085}.exe
{54D23B8A-4FEF-40de-AC2D-E5277E7DD8D2}.exe
{60C5930F-8307-40ad-B822-63182F72E261}.exe
{61E614A2-EBA5-40be-89EC-24B1C6560BB6}.exe
{666EBAC9-21AE-4e9b-A192-173973244399}.exe
{92843766-EA12-40d2-9BF8-80330716769C}.exe
{B4147EF6-A117-4d1f-B175-F5BA787D3B00}.exe
{DB7E9871-0B6A-49ba-9AF7-C67AF744BA65}.exe
{E2C548CA-11EF-45cc-BD17-852EEB170C07}.exe
{E935DACC-7D24-4e6c-A10F-6D4C19602BF1}.exe