Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20250217-en - resource tags
- submitted
28/02/2025, 07:39
General
- Target 7054041b8f8dbb9e9ac04a53db7be2fe.exe
- Size 3.7MB
- Sample250228-jg6fqsvsbv
- SHA256 169bf991dfb914bb6edc648a79c7e0ccfb1ac8bc05c3d2c16019cb509daa88a4
Malware Config
Extracted
-
gcleaner
-
185.156.73.73
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
- Suspicious use of SetThreadContext 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 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
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\7054041b8f8dbb9e9ac04a53db7be2fe.exe"C:\Users\Admin\AppData\Local\Temp\7054041b8f8dbb9e9ac04a53db7be2fe.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
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe"2⤵
- Downloads MZ/PE file
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
service[1].htm
memory/3336-12-0x0000000000E50000-0x0000000001857000-memory.dmp
memory/3336-1-0x0000000077924000-0x0000000077926000-memory.dmp
memory/3336-2-0x0000000000E51000-0x0000000001050000-memory.dmp
memory/3336-3-0x0000000000E50000-0x0000000001857000-memory.dmp
memory/3336-4-0x0000000000E50000-0x0000000001857000-memory.dmp
memory/3336-5-0x0000000000E50000-0x0000000001857000-memory.dmp
memory/3336-6-0x0000000000E50000-0x0000000001857000-memory.dmp
memory/3336-7-0x0000000000E50000-0x0000000001857000-memory.dmp
memory/3336-0-0x0000000000E50000-0x0000000001857000-memory.dmp
memory/4156-8-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4156-13-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4156-11-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4156-17-0x0000000010000000-0x000000001001C000-memory.dmp
memory/4156-9-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4156-24-0x0000000000400000-0x000000000042F000-memory.dmp
memory/4156-39-0x0000000000400000-0x000000000042F000-memory.dmp