Analysis
- max time kernel
149s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
02/11/2026, 09:20
General
- Target 2026-11-01_c41facabdc7a6410cb713519d3df2825_elex_wannacry.exe
- Size 157KB
- Sample261102-la7fkastax
- SHA256 9b489da4bc1a0a4765218e9983bf957c5543eace204701e9b3af5f6c600c31e1
Malware Config
Signatures
- Custom signatureUPX dump on OEP (original entry point) 4 IoCs
- Drops file in Drivers directory 2 IoCs
- Sets service image path in registry 3 TTPs 1 IoCs
This determines the executable launched when a service starts. It can be used to establish persistence.
- ACProtect 1.3x - 1.4x DLL software 3 IoCs
Detects file using ACProtect software.
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 1 IoCs
- Adds Run key to start application 2 TTPs 4 IoCs
- Drops file in System32 directory 1 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- System Location Discovery: System Language Discovery 1 TTPs 3 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 use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-11-01_c41facabdc7a6410cb713519d3df2825_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-01_c41facabdc7a6410cb713519d3df2825_elex_wannacry.exe"1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Reads the TCP/IP host and domain name from the registry
- 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\2026-11-01_c41facabdc7a6410cb713519d3df2825_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-01_c41facabdc7a6410cb713519d3df2825_elex_wannacry.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2026-11-01_c41facabdc7a6410cb713519d3df2825_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-01_c41facabdc7a6410cb713519d3df2825_elex_wannacry.exe"3⤵
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C:\Users\Admin\AppData\Local\Temp\2026-11-01_c41facabdc7a6410cb713519d3df2825_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-01_c41facabdc7a6410cb713519d3df2825_elex_wannacry.exe"2⤵
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C:\Users\Admin\Local Settings\Application Data\cftmon.exe"C:\Users\Admin\Local Settings\Application Data\cftmon.exe"1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\Local Settings\Application Data\cftmon.exe"C:\Users\Admin\Local Settings\Application Data\cftmon.exe"2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
cftmon.exe
spool.exe
msftp.dll
memory/2216-15-0x0000000000400000-0x0000000000422000-memory.dmp
memory/2216-16-0x0000000010000000-0x000000001010B000-memory.dmp
memory/2216-18-0x0000000010000000-0x000000001010B000-memory.dmp
memory/2216-19-0x0000000000400000-0x0000000000422000-memory.dmp
memory/2216-0-0x0000000000400000-0x0000000000422000-memory.dmp
memory/2896-22-0x0000000000400000-0x0000000000422000-memory.dmp
memory/3428-21-0x0000000000400000-0x0000000000422000-memory.dmp
memory/3460-20-0x0000000000400000-0x0000000000422000-memory.dmp
memory/4396-23-0x0000000000400000-0x0000000000422000-memory.dmp
memory/4404-17-0x0000000000400000-0x0000000000422000-memory.dmp