Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
20/12/2024, 15:10
General
- Target 6d81636af92fae98c45898823e103e4f.exe
- Size 1.8MB
- Sample241220-sj3bjaypfl
- SHA256 18d3935ee40dffa59b390df8f2544c8a08ab9d5f997b57940b843356127ead92
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\6d81636af92fae98c45898823e103e4f.exe"C:\Users\Admin\AppData\Local\Temp\6d81636af92fae98c45898823e103e4f.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 688 -s 14402⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 688 -ip 6881⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
download[1].htm
memory/688-4-0x0000000000400000-0x0000000000C40000-memory.dmp
memory/688-18-0x0000000000400000-0x0000000000C40000-memory.dmp
memory/688-3-0x0000000000400000-0x0000000000C40000-memory.dmp
memory/688-0-0x0000000000400000-0x0000000000C40000-memory.dmp
memory/688-6-0x0000000000400000-0x0000000000C40000-memory.dmp
memory/688-7-0x0000000000400000-0x0000000000C40000-memory.dmp
memory/688-11-0x0000000010000000-0x000000001001C000-memory.dmp
memory/688-15-0x0000000000400000-0x0000000000C40000-memory.dmp
memory/688-2-0x0000000000401000-0x0000000000426000-memory.dmp
memory/688-20-0x0000000000400000-0x0000000000C40000-memory.dmp
memory/688-17-0x0000000000401000-0x0000000000426000-memory.dmp
memory/688-1-0x0000000077E54000-0x0000000077E56000-memory.dmp
memory/688-22-0x0000000000400000-0x0000000000C40000-memory.dmp
memory/688-27-0x0000000000400000-0x0000000000C40000-memory.dmp
memory/688-33-0x0000000000400000-0x0000000000C40000-memory.dmp
memory/688-39-0x0000000000400000-0x0000000000C40000-memory.dmp
memory/688-40-0x0000000000401000-0x0000000000426000-memory.dmp