Analysis
- max time kernel
92s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
04/01/2025, 23:11
General
- Target d3f6593ca17e05ad4e9d42d8d038180b6e4af642390895d0399e0bd2bbf0a422.exe
- Size 1.8MB
- Sample250104-26c5laslcs
- SHA256 d3f6593ca17e05ad4e9d42d8d038180b6e4af642390895d0399e0bd2bbf0a422
Malware Config
Signatures
- GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
- Gcleaner family
- 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.
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- 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 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d3f6593ca17e05ad4e9d42d8d038180b6e4af642390895d0399e0bd2bbf0a422.exe"C:\Users\Admin\AppData\Local\Temp\d3f6593ca17e05ad4e9d42d8d038180b6e4af642390895d0399e0bd2bbf0a422.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 14762⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2936 -ip 29361⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
download[1].htm
memory/2936-15-0x0000000000400000-0x0000000000C53000-memory.dmp
memory/2936-21-0x0000000000400000-0x0000000000C53000-memory.dmp
memory/2936-2-0x0000000000401000-0x0000000000426000-memory.dmp
memory/2936-4-0x0000000000400000-0x0000000000C53000-memory.dmp
memory/2936-6-0x0000000000400000-0x0000000000C53000-memory.dmp
memory/2936-7-0x0000000000400000-0x0000000000C53000-memory.dmp
memory/2936-11-0x0000000010000000-0x000000001001C000-memory.dmp
memory/2936-0-0x0000000000400000-0x0000000000C53000-memory.dmp
memory/2936-3-0x0000000000400000-0x0000000000C53000-memory.dmp
memory/2936-17-0x0000000000401000-0x0000000000426000-memory.dmp
memory/2936-18-0x0000000000400000-0x0000000000C53000-memory.dmp
memory/2936-20-0x0000000000400000-0x0000000000C53000-memory.dmp
memory/2936-1-0x0000000077C94000-0x0000000077C96000-memory.dmp
memory/2936-23-0x0000000000400000-0x0000000000C53000-memory.dmp
memory/2936-28-0x0000000000400000-0x0000000000C53000-memory.dmp
memory/2936-34-0x0000000000400000-0x0000000000C53000-memory.dmp
memory/2936-40-0x0000000000400000-0x0000000000C53000-memory.dmp
memory/2936-41-0x0000000000401000-0x0000000000426000-memory.dmp