Analysis
- max time kernel
148s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
20/10/2026, 07:00
General
- Target 2026-10-20_5852ef8f729300599b7ea7ab2c8d5a58_elex_remcos_wannacry.exe
- Size 79KB
- Sample261020-hs5g5set61
- SHA256 33e3a468efaed520d3c195b36bd707719365bba773366374e18ad2edcbb95b72
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\2026-10-20_5852ef8f729300599b7ea7ab2c8d5a58_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-20_5852ef8f729300599b7ea7ab2c8d5a58_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\{FBF3E731-C9ED-4fbf-911A-94194D674942}.exeC:\Windows\{FBF3E731-C9ED-4fbf-911A-94194D674942}.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\{455F0B57-2945-4a3f-B14C-B7DA7948B4D8}.exeC:\Windows\{455F0B57-2945-4a3f-B14C-B7DA7948B4D8}.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\{7D05591C-1DC1-46bc-8DDF-4E1F278387FA}.exeC:\Windows\{7D05591C-1DC1-46bc-8DDF-4E1F278387FA}.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\{1EA4B394-21C1-4436-8C84-BBDF77B0026D}.exeC:\Windows\{1EA4B394-21C1-4436-8C84-BBDF77B0026D}.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\{AB82B343-0305-4e58-B7B2-E05D6AA7EE2B}.exeC:\Windows\{AB82B343-0305-4e58-B7B2-E05D6AA7EE2B}.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\{122A7691-D6F9-4f97-9E35-FE5CA7943DAA}.exeC:\Windows\{122A7691-D6F9-4f97-9E35-FE5CA7943DAA}.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\{AF7459D4-C32B-4e5e-9B32-869DD7CEEC8E}.exeC:\Windows\{AF7459D4-C32B-4e5e-9B32-869DD7CEEC8E}.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\{D3A0391F-E9F9-44ca-B52B-427FDABFB90E}.exeC:\Windows\{D3A0391F-E9F9-44ca-B52B-427FDABFB90E}.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\{91E5BC75-B4DC-4ffe-B17C-4683CDA8703B}.exeC:\Windows\{91E5BC75-B4DC-4ffe-B17C-4683CDA8703B}.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\{A94C68B8-5AFB-4812-B332-B0BA3E632DD9}.exeC:\Windows\{A94C68B8-5AFB-4812-B332-B0BA3E632DD9}.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\{F3118F37-04C3-4211-BAC3-842C217B619D}.exeC:\Windows\{F3118F37-04C3-4211-BAC3-842C217B619D}.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\{A94C6~1.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\{91E5B~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\{D3A03~1.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\{AF745~1.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\{122A7~1.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\{AB82B~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\{1EA4B~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\{7D055~1.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\{455F0~1.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\{FBF3E~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
{122A7691-D6F9-4f97-9E35-FE5CA7943DAA}.exe
{1EA4B394-21C1-4436-8C84-BBDF77B0026D}.exe
{455F0B57-2945-4a3f-B14C-B7DA7948B4D8}.exe
{7D05591C-1DC1-46bc-8DDF-4E1F278387FA}.exe
{91E5BC75-B4DC-4ffe-B17C-4683CDA8703B}.exe
{A94C68B8-5AFB-4812-B332-B0BA3E632DD9}.exe
{AB82B343-0305-4e58-B7B2-E05D6AA7EE2B}.exe
{AF7459D4-C32B-4e5e-9B32-869DD7CEEC8E}.exe
{D3A0391F-E9F9-44ca-B52B-427FDABFB90E}.exe
{F3118F37-04C3-4211-BAC3-842C217B619D}.exe
{FBF3E731-C9ED-4fbf-911A-94194D674942}.exe