Analysis
- max time kernel
149s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
17/10/2026, 15:01
General
- Target 2026-10-16_6efea571da40262336e2601cef98527d_elex_remcos_wannacry.exe
- Size 64KB
- Sample261017-sd6f1agy4m
- SHA256 a2aab81a314c24c1480c55ccafe8ac1c21b920b56ede59ef13ec529884882b82
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 31 IoCs
- Detects Windows executables referencing non-Windows User-Agents 31 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\2026-10-16_6efea571da40262336e2601cef98527d_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-16_6efea571da40262336e2601cef98527d_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\{C7FBF15D-45ED-4991-B55A-079E615F6408}.exeC:\Windows\{C7FBF15D-45ED-4991-B55A-079E615F6408}.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\{21351C93-99E2-49bc-B99C-E89A138468C6}.exeC:\Windows\{21351C93-99E2-49bc-B99C-E89A138468C6}.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\{B7C4509D-5C55-4fbe-B731-28771CF976A9}.exeC:\Windows\{B7C4509D-5C55-4fbe-B731-28771CF976A9}.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\{CA760AEB-2C2B-4ebf-A325-557BAE680EF9}.exeC:\Windows\{CA760AEB-2C2B-4ebf-A325-557BAE680EF9}.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\{6A30B69B-7547-4b10-AB70-3AF8F4ED841B}.exeC:\Windows\{6A30B69B-7547-4b10-AB70-3AF8F4ED841B}.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\{4DD707BF-7E25-4c63-9AE1-D8D2349B35CA}.exeC:\Windows\{4DD707BF-7E25-4c63-9AE1-D8D2349B35CA}.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\{23B5D062-8282-409e-B03D-4EE96198AD53}.exeC:\Windows\{23B5D062-8282-409e-B03D-4EE96198AD53}.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\{F418676D-ECAE-42bd-94F3-A865AC8FBE46}.exeC:\Windows\{F418676D-ECAE-42bd-94F3-A865AC8FBE46}.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\{77175933-7555-456c-AEA8-502C3653B8D7}.exeC:\Windows\{77175933-7555-456c-AEA8-502C3653B8D7}.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\{8E010351-F655-4920-97B5-1E1672535333}.exeC:\Windows\{8E010351-F655-4920-97B5-1E1672535333}.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\{2C3B9AE0-A760-471b-A7C7-6EC477E6B9CE}.exeC:\Windows\{2C3B9AE0-A760-471b-A7C7-6EC477E6B9CE}.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\{8E010~1.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\{77175~1.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\{F4186~1.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\{23B5D~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\{4DD70~1.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\{6A30B~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\{CA760~1.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\{B7C45~1.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\{21351~1.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\{C7FBF~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
{21351C93-99E2-49bc-B99C-E89A138468C6}.exe
{23B5D062-8282-409e-B03D-4EE96198AD53}.exe
{2C3B9AE0-A760-471b-A7C7-6EC477E6B9CE}.exe
{4DD707BF-7E25-4c63-9AE1-D8D2349B35CA}.exe
{6A30B69B-7547-4b10-AB70-3AF8F4ED841B}.exe
{77175933-7555-456c-AEA8-502C3653B8D7}.exe
{8E010351-F655-4920-97B5-1E1672535333}.exe
{B7C4509D-5C55-4fbe-B731-28771CF976A9}.exe
{C7FBF15D-45ED-4991-B55A-079E615F6408}.exe
{CA760AEB-2C2B-4ebf-A325-557BAE680EF9}.exe
{F418676D-ECAE-42bd-94F3-A865AC8FBE46}.exe
memory/228-11-0x0000000000400000-0x0000000000410000-memory.dmp
memory/228-5-0x0000000000400000-0x0000000000410000-memory.dmp
memory/752-22-0x0000000000400000-0x0000000000410000-memory.dmp
memory/752-17-0x0000000000400000-0x0000000000410000-memory.dmp
memory/756-16-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1280-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1280-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1280-1-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1536-29-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1536-35-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1952-57-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2208-62-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2716-41-0x0000000000400000-0x0000000000410000-memory.dmp
memory/2716-46-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3380-39-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3380-34-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4172-47-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4172-51-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4364-28-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4364-24-0x0000000000400000-0x0000000000410000-memory.dmp