Analysis
- max time kernel
97s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20250207-en - resource tags
- submitted
07/02/2025, 15:52
General
- Target random.exe
- Size 5.8MB
- Sample250207-ta64ssymal
- SHA256 fe759deb61edb63ba9c1ce351b7dcee8a816b7b68d034eef1fcd4e1331dc7eb3
Malware Config
Extracted
-
gcleaner
-
185.156.73.23
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 1 IoCs
- 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\random.exe"C:\Users\Admin\AppData\Local\Temp\random.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Downloads MZ/PE file
- 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 4552 -s 15562⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4552 -ip 45521⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
download[1].htm
memory/4552-5-0x0000000000400000-0x0000000000C67000-memory.dmp
memory/4552-19-0x0000000000400000-0x0000000000C67000-memory.dmp
memory/4552-3-0x0000000000400000-0x0000000000C67000-memory.dmp
memory/4552-0-0x0000000000400000-0x0000000000C67000-memory.dmp
memory/4552-6-0x0000000000400000-0x0000000000C67000-memory.dmp
memory/4552-10-0x0000000010000000-0x000000001001C000-memory.dmp
memory/4552-2-0x0000000000401000-0x000000000080D000-memory.dmp
memory/4552-14-0x0000000000400000-0x0000000000C67000-memory.dmp
memory/4552-18-0x0000000000400000-0x0000000000C67000-memory.dmp
memory/4552-17-0x0000000000401000-0x000000000080D000-memory.dmp
memory/4552-20-0x0000000000400000-0x0000000000C67000-memory.dmp
memory/4552-1-0x0000000077904000-0x0000000077906000-memory.dmp
memory/4552-22-0x0000000000400000-0x0000000000C67000-memory.dmp
memory/4552-27-0x0000000000400000-0x0000000000C67000-memory.dmp
memory/4552-38-0x0000000000400000-0x0000000000C67000-memory.dmp
memory/4552-40-0x0000000000401000-0x000000000080D000-memory.dmp