Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-12-2024 03:03

General

  • Target

    b53ffd4fc8c3b8759852c9742c3e26b4e3b8ba115ca15229a235db74f59a82db.exe

  • Size

    1.9MB

  • MD5

    69a94137bf10488dd980bc600b3735c8

  • SHA1

    da3d908540863d0466fb2d7acab950afaf47d75e

  • SHA256

    b53ffd4fc8c3b8759852c9742c3e26b4e3b8ba115ca15229a235db74f59a82db

  • SHA512

    2c4737d12aaf57967b0ed3aa224b6e836fa4adc25438ebd795cdb1204e4357f24ab5872bb9d8d47ef34f8083e0dd48e34fb3d53498cf50c8fdd48e36c22a81bf

  • SSDEEP

    49152:UW5o5ReXPEz6R3AJBquFqmJI9JiKHMyrGT7gDUcqCchec:UWsRaPK6xAJBqxmJqJhHxG7g4rCk

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.

  • Loads dropped DLL 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b53ffd4fc8c3b8759852c9742c3e26b4e3b8ba115ca15229a235db74f59a82db.exe
    "C:\Users\Admin\AppData\Local\Temp\b53ffd4fc8c3b8759852c9742c3e26b4e3b8ba115ca15229a235db74f59a82db.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:2520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\AS91FDNI\download[1].htm

    Filesize

    1B

    MD5

    cfcd208495d565ef66e7dff9f98764da

    SHA1

    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

    SHA256

    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

    SHA512

    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

  • \Users\Admin\AppData\Local\Temp\24YweVK5Ee2\Y-Cleaner.exe

    Filesize

    1.4MB

    MD5

    a8cf5621811f7fac55cfe8cb3fa6b9f6

    SHA1

    121356839e8138a03141f5f5856936a85bd2a474

    SHA256

    614a0362ab87cee48d0935b5bb957d539be1d94c6fdeb3fe42fac4fbe182c10c

    SHA512

    4479d951435f222ca7306774002f030972c9f1715d6aaf512fca9420dd79cb6d08240f80129f213851773290254be34f0ff63c7b1f4d554a7db5f84b69e84bdd

  • memory/2520-12-0x0000000010000000-0x000000001001C000-memory.dmp

    Filesize

    112KB

  • memory/2520-18-0x0000000000400000-0x0000000000C69000-memory.dmp

    Filesize

    8.4MB

  • memory/2520-4-0x0000000000400000-0x0000000000C69000-memory.dmp

    Filesize

    8.4MB

  • memory/2520-6-0x0000000000400000-0x0000000000C69000-memory.dmp

    Filesize

    8.4MB

  • memory/2520-7-0x0000000000400000-0x0000000000C69000-memory.dmp

    Filesize

    8.4MB

  • memory/2520-8-0x0000000000400000-0x0000000000C69000-memory.dmp

    Filesize

    8.4MB

  • memory/2520-0-0x0000000000400000-0x0000000000C69000-memory.dmp

    Filesize

    8.4MB

  • memory/2520-16-0x0000000000400000-0x0000000000C69000-memory.dmp

    Filesize

    8.4MB

  • memory/2520-17-0x0000000000401000-0x0000000000426000-memory.dmp

    Filesize

    148KB

  • memory/2520-2-0x0000000000401000-0x0000000000426000-memory.dmp

    Filesize

    148KB

  • memory/2520-20-0x0000000000400000-0x0000000000C69000-memory.dmp

    Filesize

    8.4MB

  • memory/2520-22-0x0000000000400000-0x0000000000C69000-memory.dmp

    Filesize

    8.4MB

  • memory/2520-3-0x0000000000400000-0x0000000000C69000-memory.dmp

    Filesize

    8.4MB

  • memory/2520-27-0x0000000000400000-0x0000000000C69000-memory.dmp

    Filesize

    8.4MB

  • memory/2520-32-0x0000000000400000-0x0000000000C69000-memory.dmp

    Filesize

    8.4MB

  • memory/2520-1-0x00000000770A0000-0x00000000770A2000-memory.dmp

    Filesize

    8KB

  • memory/2520-42-0x0000000000400000-0x0000000000C69000-memory.dmp

    Filesize

    8.4MB