Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
17/08/2026, 09:12
General
- Target 2026-08-17_79464a242ed6e8cec05702952df9da73_elex_swisyn_wannacry.exe
- Size 2.5MB
- Sample260817-k6ak2axblf
- SHA256 6d715f9cdc223a025881f11a02f6a8b35ddfd393404fd664c8a8aa3e698e3311
Malware Config
Signatures
- Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
- Executes dropped EXE 7 IoCs
- Adds Run key to start application 2 TTPs 4 IoCs
- Drops file in System32 directory 2 IoCs
- Drops file in Windows directory 5 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 12 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-08-17_79464a242ed6e8cec05702952df9da73_elex_swisyn_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-17_79464a242ed6e8cec05702952df9da73_elex_swisyn_wannacry.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\users\admin\appdata\local\temp\2026-08-17_79464a242ed6e8cec05702952df9da73_elex_swisyn_wannacry.exec:\users\admin\appdata\local\temp\2026-08-17_79464a242ed6e8cec05702952df9da73_elex_swisyn_wannacry.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\7zS4983F258\UnifiedStub-installer.exe.\UnifiedStub-installer.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Resources\Themes\icsys.icn.exeC:\Windows\Resources\Themes\icsys.icn.exe2⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\themes\explorer.exec:\windows\resources\themes\explorer.exe3⤵
- Modifies visibility of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe SE4⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\svchost.exec:\windows\resources\svchost.exe5⤵
- Modifies visibility of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
2026-08-17_79464a242ed6e8cec05702952df9da73_elex_swisyn_wannacry.exe
Newtonsoft.Json.dll
Reason.PAC.dll
UnifiedStub-installer.exe
rsLogger.dll
rsStubLib.dll
explorer.exe
icsys.icn.exe
spoolsv.exe
svchost.exe
memory/1052-171-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1116-175-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1656-0-0x0000000000400000-0x000000000041F000-memory.dmp
memory/1656-174-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2568-176-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3276-131-0x000001FF69880000-0x000001FF69890000-memory.dmp
memory/3276-154-0x000001FF69880000-0x000001FF69890000-memory.dmp
memory/3276-134-0x000001FF6B050000-0x000001FF6B05E000-memory.dmp
memory/3276-120-0x000001FF66FB0000-0x000001FF6713A000-memory.dmp
memory/3276-137-0x000001FF69880000-0x000001FF69890000-memory.dmp
memory/3276-122-0x000001FF68DB0000-0x000001FF68E44000-memory.dmp
memory/3276-132-0x000001FF6B040000-0x000001FF6B048000-memory.dmp
memory/3276-133-0x000001FF6E040000-0x000001FF6E078000-memory.dmp
memory/3276-125-0x000001FF69880000-0x000001FF69890000-memory.dmp
memory/3276-124-0x000001FF67550000-0x000001FF67582000-memory.dmp
memory/3276-127-0x000001FF6B060000-0x000001FF6B114000-memory.dmp
memory/3276-128-0x000001FF67590000-0x000001FF675B2000-memory.dmp
memory/3276-130-0x000001FF675C0000-0x000001FF675F0000-memory.dmp
memory/4380-172-0x0000000000400000-0x000000000041F000-memory.dmp
memory/5052-173-0x0000000000400000-0x000000000041F000-memory.dmp