Analysis
- max time kernel
148s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
29/10/2026, 17:51
General
- Target 2026-10-29_04f3bcea91e33d1c838758a53dbe7015_elex_remcos_wannacry.exe
- Size 60KB
- Sample261029-wfja2adv5v
- SHA256 03c3267759f3a89d1ed61c88f3a0914834abbea3593aaba2f573a6eb59002329
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\2026-10-29_04f3bcea91e33d1c838758a53dbe7015_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-29_04f3bcea91e33d1c838758a53dbe7015_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\{B35937D2-F507-45fc-B2F1-BB42E9309264}.exeC:\Windows\{B35937D2-F507-45fc-B2F1-BB42E9309264}.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\{447A0D32-26B7-4cc3-9258-7D5E103C95E9}.exeC:\Windows\{447A0D32-26B7-4cc3-9258-7D5E103C95E9}.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\{3A8C6659-22D8-4b69-B796-612713E4326C}.exeC:\Windows\{3A8C6659-22D8-4b69-B796-612713E4326C}.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\{A1AEBDB9-855F-495f-8569-01B633C64095}.exeC:\Windows\{A1AEBDB9-855F-495f-8569-01B633C64095}.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\{A872ADB4-DAF9-4d07-B4A5-240B219764BB}.exeC:\Windows\{A872ADB4-DAF9-4d07-B4A5-240B219764BB}.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\{D3D90D82-F443-4946-8E6B-390401DAFEF0}.exeC:\Windows\{D3D90D82-F443-4946-8E6B-390401DAFEF0}.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\{66C8F043-AA2A-4aec-B808-99848DBE130D}.exeC:\Windows\{66C8F043-AA2A-4aec-B808-99848DBE130D}.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\{98FE9209-5B35-4fdf-977A-36E7869A3049}.exeC:\Windows\{98FE9209-5B35-4fdf-977A-36E7869A3049}.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\{43361E8B-D77C-48ef-97AA-4F2AF1A2AA59}.exeC:\Windows\{43361E8B-D77C-48ef-97AA-4F2AF1A2AA59}.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\{88568632-B638-469c-BDB4-4E19029BE2AB}.exeC:\Windows\{88568632-B638-469c-BDB4-4E19029BE2AB}.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\{BC8CAB81-C68D-44f7-9E3B-1175D80BA460}.exeC:\Windows\{BC8CAB81-C68D-44f7-9E3B-1175D80BA460}.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\{88568~1.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\{43361~1.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\{98FE9~1.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\{66C8F~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\{D3D90~1.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\{A872A~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\{A1AEB~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\{3A8C6~1.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\{447A0~1.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\{B3593~1.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
{3A8C6659-22D8-4b69-B796-612713E4326C}.exe
{43361E8B-D77C-48ef-97AA-4F2AF1A2AA59}.exe
{447A0D32-26B7-4cc3-9258-7D5E103C95E9}.exe
{66C8F043-AA2A-4aec-B808-99848DBE130D}.exe
{88568632-B638-469c-BDB4-4E19029BE2AB}.exe
{98FE9209-5B35-4fdf-977A-36E7869A3049}.exe
{A1AEBDB9-855F-495f-8569-01B633C64095}.exe
{A872ADB4-DAF9-4d07-B4A5-240B219764BB}.exe
{B35937D2-F507-45fc-B2F1-BB42E9309264}.exe
{BC8CAB81-C68D-44f7-9E3B-1175D80BA460}.exe
{D3D90D82-F443-4946-8E6B-390401DAFEF0}.exe