Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-12-2024 08:05

General

  • Target

    38f18eed0f0d145fab526d20752972644612ce9b430028a3faba77c86393674b.exe

  • Size

    1.8MB

  • MD5

    6d228c9d7686fa90da21fc60e65b3070

  • SHA1

    325fb85ccd0593cbe0d70e67b439a168a54df0bc

  • SHA256

    38f18eed0f0d145fab526d20752972644612ce9b430028a3faba77c86393674b

  • SHA512

    86f714c71d4c0446189a030001b5c93bf77dbc2ed54839a700e6f8db7b5289dcda3bda88e5eb9b91002a9b584a71126a20145687a79cd01904348a29b5adab9e

  • SSDEEP

    24576:8ujgtqZKpfvejnSJLa14T+2bxqo89cRDcnY3yR3se1Xcj/i4bYPLG5UpBBl8qL:8uiF9vSn2l/bxqo7RQkyR3fK/i4dUxa

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\38f18eed0f0d145fab526d20752972644612ce9b430028a3faba77c86393674b.exe
    "C:\Users\Admin\AppData\Local\Temp\38f18eed0f0d145fab526d20752972644612ce9b430028a3faba77c86393674b.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:2668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\633SXO0D\download[1].htm

    Filesize

    1B

    MD5

    cfcd208495d565ef66e7dff9f98764da

    SHA1

    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

    SHA256

    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

    SHA512

    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

  • \Users\Admin\AppData\Local\Temp\wvGeE20f0\Y-Cleaner.exe

    Filesize

    1.4MB

    MD5

    a8cf5621811f7fac55cfe8cb3fa6b9f6

    SHA1

    121356839e8138a03141f5f5856936a85bd2a474

    SHA256

    614a0362ab87cee48d0935b5bb957d539be1d94c6fdeb3fe42fac4fbe182c10c

    SHA512

    4479d951435f222ca7306774002f030972c9f1715d6aaf512fca9420dd79cb6d08240f80129f213851773290254be34f0ff63c7b1f4d554a7db5f84b69e84bdd

  • memory/2668-18-0x0000000000401000-0x0000000000426000-memory.dmp

    Filesize

    148KB

  • memory/2668-19-0x0000000000400000-0x0000000000C58000-memory.dmp

    Filesize

    8.3MB

  • memory/2668-3-0x0000000000400000-0x0000000000C58000-memory.dmp

    Filesize

    8.3MB

  • memory/2668-6-0x0000000000400000-0x0000000000C58000-memory.dmp

    Filesize

    8.3MB

  • memory/2668-7-0x0000000000400000-0x0000000000C58000-memory.dmp

    Filesize

    8.3MB

  • memory/2668-11-0x0000000010000000-0x000000001001C000-memory.dmp

    Filesize

    112KB

  • memory/2668-15-0x0000000000400000-0x0000000000C58000-memory.dmp

    Filesize

    8.3MB

  • memory/2668-17-0x0000000000400000-0x0000000000C58000-memory.dmp

    Filesize

    8.3MB

  • memory/2668-0-0x0000000000400000-0x0000000000C58000-memory.dmp

    Filesize

    8.3MB

  • memory/2668-4-0x0000000000400000-0x0000000000C58000-memory.dmp

    Filesize

    8.3MB

  • memory/2668-21-0x0000000000400000-0x0000000000C58000-memory.dmp

    Filesize

    8.3MB

  • memory/2668-22-0x0000000000400000-0x0000000000C58000-memory.dmp

    Filesize

    8.3MB

  • memory/2668-2-0x0000000000401000-0x0000000000426000-memory.dmp

    Filesize

    148KB

  • memory/2668-24-0x0000000000400000-0x0000000000C58000-memory.dmp

    Filesize

    8.3MB

  • memory/2668-29-0x0000000000400000-0x0000000000C58000-memory.dmp

    Filesize

    8.3MB

  • memory/2668-33-0x0000000000400000-0x0000000000C58000-memory.dmp

    Filesize

    8.3MB

  • memory/2668-43-0x0000000000400000-0x0000000000C58000-memory.dmp

    Filesize

    8.3MB

  • memory/2668-1-0x00000000777D0000-0x00000000777D2000-memory.dmp

    Filesize

    8KB