Analysis
- max time kernel
148s - max time network
142s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
27/10/2026, 10:15
General
- Target 2026-10-26_a3eba9f1c28d71129953d9bb879539f8_elex_remcos_wannacry.exe
- Size 79KB
- Sample261027-malpjads2n
- SHA256 3f4227588542819d5f3b3a9023a221e0f8b2a7cfbbeded7d4dad8dcc74e46ce7
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\2026-10-26_a3eba9f1c28d71129953d9bb879539f8_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-26_a3eba9f1c28d71129953d9bb879539f8_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\{71C70390-258B-4394-8982-13FC661D6B18}.exeC:\Windows\{71C70390-258B-4394-8982-13FC661D6B18}.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\{1FF7BEA9-7463-477b-998D-5B34681FBD4D}.exeC:\Windows\{1FF7BEA9-7463-477b-998D-5B34681FBD4D}.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\{428E5A69-1AE9-47c3-9719-CAACA1EB064B}.exeC:\Windows\{428E5A69-1AE9-47c3-9719-CAACA1EB064B}.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\{BAEC0E48-8B1E-4b6a-B004-F1B9DE59AD5B}.exeC:\Windows\{BAEC0E48-8B1E-4b6a-B004-F1B9DE59AD5B}.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\{3D5275A6-731C-4679-BFC4-1866299E2BFA}.exeC:\Windows\{3D5275A6-731C-4679-BFC4-1866299E2BFA}.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\{0267F8CB-4539-4d66-9B64-D070E285E296}.exeC:\Windows\{0267F8CB-4539-4d66-9B64-D070E285E296}.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\{FAA5530C-6822-4434-B98A-24F8B1EE310A}.exeC:\Windows\{FAA5530C-6822-4434-B98A-24F8B1EE310A}.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\{414556D9-ED59-4f84-9E28-D6285B753EB9}.exeC:\Windows\{414556D9-ED59-4f84-9E28-D6285B753EB9}.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\{53C71F3A-F4EC-4a98-8F00-5B6FA370CCDB}.exeC:\Windows\{53C71F3A-F4EC-4a98-8F00-5B6FA370CCDB}.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\{E42CEE4C-7158-4bdf-8121-C442FEDD6AE9}.exeC:\Windows\{E42CEE4C-7158-4bdf-8121-C442FEDD6AE9}.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\{9D8D8689-E6D8-458f-B2AC-FE4603ABB25D}.exeC:\Windows\{9D8D8689-E6D8-458f-B2AC-FE4603ABB25D}.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\{E42CE~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\{53C71~1.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\{41455~1.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\{FAA55~1.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\{0267F~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\{3D527~1.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\{BAEC0~1.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\{428E5~1.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\{1FF7B~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\{71C70~1.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
{0267F8CB-4539-4d66-9B64-D070E285E296}.exe
{1FF7BEA9-7463-477b-998D-5B34681FBD4D}.exe
{3D5275A6-731C-4679-BFC4-1866299E2BFA}.exe
{414556D9-ED59-4f84-9E28-D6285B753EB9}.exe
{428E5A69-1AE9-47c3-9719-CAACA1EB064B}.exe
{53C71F3A-F4EC-4a98-8F00-5B6FA370CCDB}.exe
{71C70390-258B-4394-8982-13FC661D6B18}.exe
{9D8D8689-E6D8-458f-B2AC-FE4603ABB25D}.exe
{BAEC0E48-8B1E-4b6a-B004-F1B9DE59AD5B}.exe
{E42CEE4C-7158-4bdf-8121-C442FEDD6AE9}.exe
{FAA5530C-6822-4434-B98A-24F8B1EE310A}.exe