Analysis

  • max time kernel
    94s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/01/2025, 01:36

General

  • Target

    9fe8a7b2fc71f24b365a1d080ee468ee969e25850ef6bc49bffe8e6e0e44b9e7.exe

  • Size

    1.8MB

  • MD5

    57a5ca81c864d3278cb085a9c2e4ccec

  • SHA1

    afaf5cfe9d3720104d55abbfcfa073b9cf9cacf3

  • SHA256

    9fe8a7b2fc71f24b365a1d080ee468ee969e25850ef6bc49bffe8e6e0e44b9e7

  • SHA512

    4b1b68e8d6afb343b6333019ce575439f1da3f16a3c8559ad89ca4410cd60c8399e737e5237b7b2a3938013f937e41188485657985eb7d5511242fefd4ed1636

  • SSDEEP

    49152:OtsaswX+ne4pAF4S76dev+VS4MWcMwqBfEpIVJDXd5:7aswXKi4G6dG+VTUIVl

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\9fe8a7b2fc71f24b365a1d080ee468ee969e25850ef6bc49bffe8e6e0e44b9e7.exe
    "C:\Users\Admin\AppData\Local\Temp\9fe8a7b2fc71f24b365a1d080ee468ee969e25850ef6bc49bffe8e6e0e44b9e7.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:892
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 892 -s 1516
      2⤵
      • Program crash
      PID:3092
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 892 -ip 892
    1⤵
      PID:632

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8R55UT9S\download[1].htm

      Filesize

      1B

      MD5

      cfcd208495d565ef66e7dff9f98764da

      SHA1

      b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

      SHA256

      5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

      SHA512

      31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

    • memory/892-18-0x0000000000400000-0x0000000000C60000-memory.dmp

      Filesize

      8.4MB

    • memory/892-20-0x0000000000400000-0x0000000000C60000-memory.dmp

      Filesize

      8.4MB

    • memory/892-3-0x0000000000400000-0x0000000000C60000-memory.dmp

      Filesize

      8.4MB

    • memory/892-0-0x0000000000400000-0x0000000000C60000-memory.dmp

      Filesize

      8.4MB

    • memory/892-6-0x0000000000400000-0x0000000000C60000-memory.dmp

      Filesize

      8.4MB

    • memory/892-7-0x0000000000400000-0x0000000000C60000-memory.dmp

      Filesize

      8.4MB

    • memory/892-11-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/892-15-0x0000000000400000-0x0000000000C60000-memory.dmp

      Filesize

      8.4MB

    • memory/892-2-0x0000000000401000-0x0000000000426000-memory.dmp

      Filesize

      148KB

    • memory/892-17-0x0000000000401000-0x0000000000426000-memory.dmp

      Filesize

      148KB

    • memory/892-4-0x0000000000400000-0x0000000000C60000-memory.dmp

      Filesize

      8.4MB

    • memory/892-21-0x0000000000400000-0x0000000000C60000-memory.dmp

      Filesize

      8.4MB

    • memory/892-1-0x0000000077814000-0x0000000077816000-memory.dmp

      Filesize

      8KB

    • memory/892-23-0x0000000000400000-0x0000000000C60000-memory.dmp

      Filesize

      8.4MB

    • memory/892-27-0x0000000000400000-0x0000000000C60000-memory.dmp

      Filesize

      8.4MB

    • memory/892-32-0x0000000000400000-0x0000000000C60000-memory.dmp

      Filesize

      8.4MB

    • memory/892-35-0x0000000000400000-0x0000000000C60000-memory.dmp

      Filesize

      8.4MB

    • memory/892-41-0x0000000000400000-0x0000000000C60000-memory.dmp

      Filesize

      8.4MB

    • memory/892-42-0x0000000000401000-0x0000000000426000-memory.dmp

      Filesize

      148KB