Analysis

  • max time kernel
    94s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/01/2025, 17:37

General

  • Target
    random.exe
  • Size 1.9MB
  • Sample250131-v67wmsslht
  • SHA256 32ccb18c2ff439014a10b7469c83b34e226edb8561256d8ac5336cece4d60f7c
  • MD5 SHA1 SHA512 SSDEEP

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 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
    PID:3116
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3116 -s 1408
      2⤵
      • Program crash
      PID:4940
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3116 -ip 3116
    1⤵
      PID:2444

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          download[1].htm

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\960T0N6D\download[1].htm
          • Size 1B
          • SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
          • MD5 SHA1 SHA512

          memory/3116-12-0x0000000010000000-0x000000001001C000-memory.dmp

          memory/3116-19-0x0000000000400000-0x0000000000C63000-memory.dmp

          memory/3116-3-0x0000000000400000-0x0000000000C63000-memory.dmp

          memory/3116-4-0x0000000000400000-0x0000000000C63000-memory.dmp

          memory/3116-6-0x0000000000400000-0x0000000000C63000-memory.dmp

          memory/3116-7-0x0000000000400000-0x0000000000C63000-memory.dmp

          memory/3116-8-0x0000000000400000-0x0000000000C63000-memory.dmp

          memory/3116-0-0x0000000000400000-0x0000000000C63000-memory.dmp

          memory/3116-2-0x0000000000401000-0x0000000000426000-memory.dmp

          memory/3116-16-0x0000000000400000-0x0000000000C63000-memory.dmp

          memory/3116-18-0x0000000000401000-0x0000000000426000-memory.dmp

          memory/3116-21-0x0000000000400000-0x0000000000C63000-memory.dmp

          memory/3116-1-0x0000000077004000-0x0000000077006000-memory.dmp

          memory/3116-23-0x0000000000400000-0x0000000000C63000-memory.dmp

          memory/3116-28-0x0000000000400000-0x0000000000C63000-memory.dmp

          memory/3116-34-0x0000000000400000-0x0000000000C63000-memory.dmp

          memory/3116-40-0x0000000000400000-0x0000000000C63000-memory.dmp

          memory/3116-41-0x0000000000401000-0x0000000000426000-memory.dmp