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 17:02

General

  • Target

    file.exe

  • Size

    1.8MB

  • MD5

    659b475361502e4bb93cb3978d0d69c6

  • SHA1

    9b4db8cab515e22350a6de83e9b892e9376fd391

  • SHA256

    9cd587e74a90f572286c6606c8d0dd40c5053aab867b5347c2499e5338a46b2d

  • SHA512

    6b31ca314b6c4268703197bdcc093fde7cfa50d2ea8461a9fe83ee7da1d2ea0bfedf13dab4c4cfecddd1bb172990cd19f1d0714324c58ec0d3a61f8ad8f1491f

  • SSDEEP

    49152:oGsSbw6I87hDyW5y0d2QVzbqhTBnk0AlORGIi05sXf:vw65eueT20OIiK

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:324
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 324 -s 1788
      2⤵
      • Program crash
      PID:4576
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 324 -ip 324
    1⤵
      PID:1044

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0GUUC90F\download[1].htm

      Filesize

      1B

      MD5

      cfcd208495d565ef66e7dff9f98764da

      SHA1

      b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

      SHA256

      5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

      SHA512

      31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

    • memory/324-12-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/324-6-0x0000000000400000-0x0000000000C5D000-memory.dmp

      Filesize

      8.4MB

    • memory/324-16-0x0000000000401000-0x0000000000427000-memory.dmp

      Filesize

      152KB

    • memory/324-4-0x0000000000400000-0x0000000000C5D000-memory.dmp

      Filesize

      8.4MB

    • memory/324-17-0x0000000000400000-0x0000000000C5D000-memory.dmp

      Filesize

      8.4MB

    • memory/324-7-0x0000000000400000-0x0000000000C5D000-memory.dmp

      Filesize

      8.4MB

    • memory/324-10-0x0000000000400000-0x0000000000C5D000-memory.dmp

      Filesize

      8.4MB

    • memory/324-20-0x0000000000400000-0x0000000000C5D000-memory.dmp

      Filesize

      8.4MB

    • memory/324-2-0x0000000000401000-0x0000000000427000-memory.dmp

      Filesize

      152KB

    • memory/324-3-0x0000000000400000-0x0000000000C5D000-memory.dmp

      Filesize

      8.4MB

    • memory/324-0-0x0000000000400000-0x0000000000C5D000-memory.dmp

      Filesize

      8.4MB

    • memory/324-19-0x0000000000400000-0x0000000000C5D000-memory.dmp

      Filesize

      8.4MB

    • memory/324-22-0x0000000000400000-0x0000000000C5D000-memory.dmp

      Filesize

      8.4MB

    • memory/324-1-0x0000000077CB4000-0x0000000077CB6000-memory.dmp

      Filesize

      8KB

    • memory/324-26-0x0000000000400000-0x0000000000C5D000-memory.dmp

      Filesize

      8.4MB

    • memory/324-32-0x0000000000400000-0x0000000000C5D000-memory.dmp

      Filesize

      8.4MB

    • memory/324-40-0x0000000000400000-0x0000000000C5D000-memory.dmp

      Filesize

      8.4MB