Analysis
- max time kernel
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
26/10/2026, 14:02
General
- Target 2026-10-25_bd999685b8e043662476a1d43e445467_elex_remcos_wannacry.exe
- Size 79KB
- Sample261026-rb33esbc39
- SHA256 530b38c0ab9bd0d52bdb204238c54083ecf59349f7712e8bb2950c23bb37df1b
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\2026-10-25_bd999685b8e043662476a1d43e445467_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-25_bd999685b8e043662476a1d43e445467_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\{A04E6EDB-BBEA-4e05-A356-184D98E0E456}.exeC:\Windows\{A04E6EDB-BBEA-4e05-A356-184D98E0E456}.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\{040FFC7E-7782-4d6d-AC9F-6FDC63DAFBE3}.exeC:\Windows\{040FFC7E-7782-4d6d-AC9F-6FDC63DAFBE3}.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\{2FC178DD-6994-462c-929D-61926FC26AAD}.exeC:\Windows\{2FC178DD-6994-462c-929D-61926FC26AAD}.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\{F41FE382-739B-4f1c-B04F-D7D4F4D7E7AA}.exeC:\Windows\{F41FE382-739B-4f1c-B04F-D7D4F4D7E7AA}.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\{1C761E67-E1CF-4fdf-88EF-09BA7AC85E7E}.exeC:\Windows\{1C761E67-E1CF-4fdf-88EF-09BA7AC85E7E}.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\{8961C10B-FE73-49c0-ABFD-9C92C026317A}.exeC:\Windows\{8961C10B-FE73-49c0-ABFD-9C92C026317A}.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\{04915738-1468-4762-9FFC-709842679312}.exeC:\Windows\{04915738-1468-4762-9FFC-709842679312}.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\{4CB85DC6-61C7-401f-B347-72EE9C8D4303}.exeC:\Windows\{4CB85DC6-61C7-401f-B347-72EE9C8D4303}.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\{CCCACC26-46AE-41f9-A061-7468CF6578C7}.exeC:\Windows\{CCCACC26-46AE-41f9-A061-7468CF6578C7}.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\{CBF1CA22-1DE7-4c8c-8180-71156874424D}.exeC:\Windows\{CBF1CA22-1DE7-4c8c-8180-71156874424D}.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\{D4477FCD-07BC-4b60-A817-3C6188CA7768}.exeC:\Windows\{D4477FCD-07BC-4b60-A817-3C6188CA7768}.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\{CBF1C~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\{CCCAC~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\{4CB85~1.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\{04915~1.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\{8961C~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\{1C761~1.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\{F41FE~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\{2FC17~1.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\{040FF~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\{A04E6~1.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
{040FFC7E-7782-4d6d-AC9F-6FDC63DAFBE3}.exe
{04915738-1468-4762-9FFC-709842679312}.exe
{1C761E67-E1CF-4fdf-88EF-09BA7AC85E7E}.exe
{2FC178DD-6994-462c-929D-61926FC26AAD}.exe
{4CB85DC6-61C7-401f-B347-72EE9C8D4303}.exe
{8961C10B-FE73-49c0-ABFD-9C92C026317A}.exe
{A04E6EDB-BBEA-4e05-A356-184D98E0E456}.exe
{CBF1CA22-1DE7-4c8c-8180-71156874424D}.exe
{CCCACC26-46AE-41f9-A061-7468CF6578C7}.exe
{D4477FCD-07BC-4b60-A817-3C6188CA7768}.exe
{F41FE382-739B-4f1c-B04F-D7D4F4D7E7AA}.exe