Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2024 01:21

General

  • Target

    file.exe

  • Size

    1.9MB

  • MD5

    2e19a105ae94d5cfdba8166af58f7a3e

  • SHA1

    398ec17fa4b03728c4c48c6d2e6f99e01ff78a63

  • SHA256

    c4a16bac6cdc5735e1bbb57c7f4c300e35a4c2f617c85585d17ac5a55a875383

  • SHA512

    181d6bec6fe7a93bc6ea1c5521977567a9565b1f7ef6b3a5cd8f8607ca27bdbca3c775ed6d5253ef1bb26227648d6a2d118c45b5e43af78a992135bf70b672ba

  • SSDEEP

    49152:Y7lxqmNNdrwjy98ivFTAbrslcIDObJ51:qlz3Oymitkrsl9

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\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
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:2600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\DJB1KT77\download[1].htm

    Filesize

    1B

    MD5

    cfcd208495d565ef66e7dff9f98764da

    SHA1

    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

    SHA256

    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

    SHA512

    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

  • \Users\Admin\AppData\Local\Temp\429wBW0eFtGf96\Y-Cleaner.exe

    Filesize

    1.4MB

    MD5

    a8cf5621811f7fac55cfe8cb3fa6b9f6

    SHA1

    121356839e8138a03141f5f5856936a85bd2a474

    SHA256

    614a0362ab87cee48d0935b5bb957d539be1d94c6fdeb3fe42fac4fbe182c10c

    SHA512

    4479d951435f222ca7306774002f030972c9f1715d6aaf512fca9420dd79cb6d08240f80129f213851773290254be34f0ff63c7b1f4d554a7db5f84b69e84bdd

  • memory/2600-12-0x0000000010000000-0x000000001001C000-memory.dmp

    Filesize

    112KB

  • memory/2600-16-0x0000000000401000-0x0000000000427000-memory.dmp

    Filesize

    152KB

  • memory/2600-3-0x0000000000400000-0x0000000000C71000-memory.dmp

    Filesize

    8.4MB

  • memory/2600-6-0x0000000000400000-0x0000000000C71000-memory.dmp

    Filesize

    8.4MB

  • memory/2600-7-0x0000000000400000-0x0000000000C71000-memory.dmp

    Filesize

    8.4MB

  • memory/2600-8-0x0000000000400000-0x0000000000C71000-memory.dmp

    Filesize

    8.4MB

  • memory/2600-0-0x0000000000400000-0x0000000000C71000-memory.dmp

    Filesize

    8.4MB

  • memory/2600-4-0x0000000000400000-0x0000000000C71000-memory.dmp

    Filesize

    8.4MB

  • memory/2600-18-0x0000000000400000-0x0000000000C71000-memory.dmp

    Filesize

    8.4MB

  • memory/2600-19-0x0000000000400000-0x0000000000C71000-memory.dmp

    Filesize

    8.4MB

  • memory/2600-21-0x0000000000400000-0x0000000000C71000-memory.dmp

    Filesize

    8.4MB

  • memory/2600-2-0x0000000000401000-0x0000000000427000-memory.dmp

    Filesize

    152KB

  • memory/2600-25-0x0000000000400000-0x0000000000C71000-memory.dmp

    Filesize

    8.4MB

  • memory/2600-31-0x0000000000400000-0x0000000000C71000-memory.dmp

    Filesize

    8.4MB

  • memory/2600-1-0x0000000077E10000-0x0000000077E12000-memory.dmp

    Filesize

    8KB

  • memory/2600-40-0x0000000000400000-0x0000000000C71000-memory.dmp

    Filesize

    8.4MB