Analysis
- max time kernel
117s - max time network
119s - platform
windows7_x64 - resource
win7-20240903-en - resource tags
- submitted
28/11/2024, 16:50
General
- Target file.exe
- Size 2.0MB
- Sample241128-vb858aypfm
- SHA256 5c593a57c0028a269f29d291a478ef4a11344b77bc4267d3d90cc2e4ad8dbff7
Malware Config
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
- Downloads MZ/PE file
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
- Loads dropped DLL 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
download[1].htm
Y-Cleaner.exe
memory/2528-17-0x0000000000400000-0x00000000008D5000-memory.dmp
memory/2528-19-0x0000000000400000-0x00000000008D5000-memory.dmp
memory/2528-4-0x0000000000400000-0x00000000008D5000-memory.dmp
memory/2528-5-0x0000000000400000-0x00000000008D5000-memory.dmp
memory/2528-7-0x0000000000400000-0x00000000008D5000-memory.dmp
memory/2528-10-0x0000000010000000-0x000000001001C000-memory.dmp
memory/2528-14-0x0000000000400000-0x00000000008D5000-memory.dmp
memory/2528-16-0x0000000000401000-0x000000000043C000-memory.dmp
memory/2528-0-0x0000000000400000-0x00000000008D5000-memory.dmp
memory/2528-2-0x0000000000401000-0x000000000043C000-memory.dmp
memory/2528-20-0x0000000000400000-0x00000000008D5000-memory.dmp
memory/2528-3-0x0000000000400000-0x00000000008D5000-memory.dmp
memory/2528-25-0x0000000000400000-0x00000000008D5000-memory.dmp
memory/2528-30-0x0000000000400000-0x00000000008D5000-memory.dmp
memory/2528-33-0x0000000000400000-0x00000000008D5000-memory.dmp
memory/2528-34-0x0000000000400000-0x00000000008D5000-memory.dmp
memory/2528-1-0x00000000772C0000-0x00000000772C2000-memory.dmp
memory/2528-42-0x0000000000400000-0x00000000008D5000-memory.dmp
memory/2528-43-0x0000000000401000-0x000000000043C000-memory.dmp