Analysis

  • max time kernel
    92s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-12-2024 03:07

General

  • Target

    8a331ca76c2b919f30406ff66a92db0e27ae6af9725749a80959b42656871536.exe

  • Size

    1.9MB

  • MD5

    f7a47830f40cc4b6a06d777fab2f42f9

  • SHA1

    5302227fbac3aea59d3aa18dc1e429ebe448c732

  • SHA256

    8a331ca76c2b919f30406ff66a92db0e27ae6af9725749a80959b42656871536

  • SHA512

    67251194db27bbb06cc3638c7fd453cc66f54b6e9aa1421cbd05ba5aa410f333b83f5587186bbd0b2026f05da1119eed68c8cfa64511b9c4d81d9a13d9634f1b

  • SSDEEP

    49152:pUoHhHRVeu+IIZoonat2m8GRMZpM0IKyNa:HHnVexGEg2mfMHDIR

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\8a331ca76c2b919f30406ff66a92db0e27ae6af9725749a80959b42656871536.exe
    "C:\Users\Admin\AppData\Local\Temp\8a331ca76c2b919f30406ff66a92db0e27ae6af9725749a80959b42656871536.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:628
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 628 -s 1392
      2⤵
      • Program crash
      PID:4940
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 628 -ip 628
    1⤵
      PID:1788

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DQ67RYHS\download[1].htm

      Filesize

      1B

      MD5

      cfcd208495d565ef66e7dff9f98764da

      SHA1

      b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

      SHA256

      5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

      SHA512

      31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

    • memory/628-12-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/628-6-0x0000000000400000-0x0000000000C68000-memory.dmp

      Filesize

      8.4MB

    • memory/628-16-0x0000000000400000-0x0000000000C68000-memory.dmp

      Filesize

      8.4MB

    • memory/628-4-0x0000000000400000-0x0000000000C68000-memory.dmp

      Filesize

      8.4MB

    • memory/628-18-0x0000000000401000-0x0000000000427000-memory.dmp

      Filesize

      152KB

    • memory/628-7-0x0000000000400000-0x0000000000C68000-memory.dmp

      Filesize

      8.4MB

    • memory/628-8-0x0000000000400000-0x0000000000C68000-memory.dmp

      Filesize

      8.4MB

    • memory/628-19-0x0000000000400000-0x0000000000C68000-memory.dmp

      Filesize

      8.4MB

    • memory/628-3-0x0000000000400000-0x0000000000C68000-memory.dmp

      Filesize

      8.4MB

    • memory/628-2-0x0000000000401000-0x0000000000427000-memory.dmp

      Filesize

      152KB

    • memory/628-0-0x0000000000400000-0x0000000000C68000-memory.dmp

      Filesize

      8.4MB

    • memory/628-21-0x0000000000400000-0x0000000000C68000-memory.dmp

      Filesize

      8.4MB

    • memory/628-1-0x0000000076F04000-0x0000000076F06000-memory.dmp

      Filesize

      8KB

    • memory/628-23-0x0000000000400000-0x0000000000C68000-memory.dmp

      Filesize

      8.4MB

    • memory/628-27-0x0000000000400000-0x0000000000C68000-memory.dmp

      Filesize

      8.4MB

    • memory/628-32-0x0000000000400000-0x0000000000C68000-memory.dmp

      Filesize

      8.4MB

    • memory/628-40-0x0000000000400000-0x0000000000C68000-memory.dmp

      Filesize

      8.4MB