Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-12-2024 22:10

General

  • Target

    file.exe

  • Size

    1.9MB

  • MD5

    dd44780d69d56d86bd3be9d6ca0f69a9

  • SHA1

    c9afab3e117153f469723102214a907685a509d6

  • SHA256

    5cf283b12d73892ee010289b4d554e5b1c7d1aede0a8e6cd0a33415513526b5b

  • SHA512

    2941a447f343d039f356cd63a009b33f5eb042553143c009a23a4e68e76c59101052fc9a8092f56b81bf61b3c068b3c685c558933a672ec03c0e94fb4b873eff

  • SSDEEP

    49152:SIdVlhK5Cvfpj1KOtgQ+HVihZbWblzBdB:SILvvRjwOtnbZ0lnB

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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.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
    PID:2360
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 1564
      2⤵
      • Program crash
      PID:2660
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2360 -ip 2360
    1⤵
      PID:2096

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\M6JHG9EK\download[1].htm

      Filesize

      1B

      MD5

      cfcd208495d565ef66e7dff9f98764da

      SHA1

      b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

      SHA256

      5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

      SHA512

      31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

    • memory/2360-15-0x0000000000400000-0x0000000000C65000-memory.dmp

      Filesize

      8.4MB

    • memory/2360-17-0x0000000000401000-0x0000000000427000-memory.dmp

      Filesize

      152KB

    • memory/2360-3-0x0000000000400000-0x0000000000C65000-memory.dmp

      Filesize

      8.4MB

    • memory/2360-4-0x0000000000400000-0x0000000000C65000-memory.dmp

      Filesize

      8.4MB

    • memory/2360-6-0x0000000000400000-0x0000000000C65000-memory.dmp

      Filesize

      8.4MB

    • memory/2360-7-0x0000000000400000-0x0000000000C65000-memory.dmp

      Filesize

      8.4MB

    • memory/2360-2-0x0000000000401000-0x0000000000427000-memory.dmp

      Filesize

      152KB

    • memory/2360-0-0x0000000000400000-0x0000000000C65000-memory.dmp

      Filesize

      8.4MB

    • memory/2360-11-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/2360-18-0x0000000000400000-0x0000000000C65000-memory.dmp

      Filesize

      8.4MB

    • memory/2360-20-0x0000000000400000-0x0000000000C65000-memory.dmp

      Filesize

      8.4MB

    • memory/2360-21-0x0000000000400000-0x0000000000C65000-memory.dmp

      Filesize

      8.4MB

    • memory/2360-1-0x00000000772D4000-0x00000000772D6000-memory.dmp

      Filesize

      8KB

    • memory/2360-27-0x0000000000400000-0x0000000000C65000-memory.dmp

      Filesize

      8.4MB

    • memory/2360-38-0x0000000000400000-0x0000000000C65000-memory.dmp

      Filesize

      8.4MB