Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-01-2025 00:31

General

  • Target

    19cf33f46e5db44e661dafc9dcb0f1d59d2fbf2cec54a85b4da9f5cfab662eb5.exe

  • Size

    1.8MB

  • MD5

    e331bf935845d52b1f11b3461103060f

  • SHA1

    3dc601a9770c07c7671c3429a24b89981b91b46b

  • SHA256

    19cf33f46e5db44e661dafc9dcb0f1d59d2fbf2cec54a85b4da9f5cfab662eb5

  • SHA512

    a6a38823f268d3af84ad240e9c903a84c3d1fc8f3e3065494901c5f1e732aaac91d0453671ed4c5eaef1e92aecd0c3edddf0165060cce6212e1daed4d2e6ffd9

  • SSDEEP

    49152:kl3cvjIA0Vw0YXydNo0FBcKSLsttxToYeY+tpGF1066:y3ujuw0CydNFvptfSiHN6

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\19cf33f46e5db44e661dafc9dcb0f1d59d2fbf2cec54a85b4da9f5cfab662eb5.exe
    "C:\Users\Admin\AppData\Local\Temp\19cf33f46e5db44e661dafc9dcb0f1d59d2fbf2cec54a85b4da9f5cfab662eb5.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:4020
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 1544
      2⤵
      • Program crash
      PID:3024
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4020 -ip 4020
    1⤵
      PID:1884

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6IJLDY7V\download[1].htm

      Filesize

      1B

      MD5

      cfcd208495d565ef66e7dff9f98764da

      SHA1

      b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

      SHA256

      5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

      SHA512

      31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

    • memory/4020-12-0x0000000010000000-0x000000001001C000-memory.dmp

      Filesize

      112KB

    • memory/4020-3-0x0000000000400000-0x0000000000C57000-memory.dmp

      Filesize

      8.3MB

    • memory/4020-18-0x0000000000401000-0x0000000000426000-memory.dmp

      Filesize

      148KB

    • memory/4020-19-0x0000000000400000-0x0000000000C57000-memory.dmp

      Filesize

      8.3MB

    • memory/4020-6-0x0000000000400000-0x0000000000C57000-memory.dmp

      Filesize

      8.3MB

    • memory/4020-7-0x0000000000400000-0x0000000000C57000-memory.dmp

      Filesize

      8.3MB

    • memory/4020-8-0x0000000000400000-0x0000000000C57000-memory.dmp

      Filesize

      8.3MB

    • memory/4020-0-0x0000000000400000-0x0000000000C57000-memory.dmp

      Filesize

      8.3MB

    • memory/4020-41-0x0000000000401000-0x0000000000426000-memory.dmp

      Filesize

      148KB

    • memory/4020-2-0x0000000000401000-0x0000000000426000-memory.dmp

      Filesize

      148KB

    • memory/4020-4-0x0000000000400000-0x0000000000C57000-memory.dmp

      Filesize

      8.3MB

    • memory/4020-21-0x0000000000400000-0x0000000000C57000-memory.dmp

      Filesize

      8.3MB

    • memory/4020-1-0x0000000077784000-0x0000000077786000-memory.dmp

      Filesize

      8KB

    • memory/4020-23-0x0000000000400000-0x0000000000C57000-memory.dmp

      Filesize

      8.3MB

    • memory/4020-27-0x0000000000400000-0x0000000000C57000-memory.dmp

      Filesize

      8.3MB

    • memory/4020-32-0x0000000000400000-0x0000000000C57000-memory.dmp

      Filesize

      8.3MB

    • memory/4020-40-0x0000000000400000-0x0000000000C57000-memory.dmp

      Filesize

      8.3MB

    • memory/4020-16-0x0000000000400000-0x0000000000C57000-memory.dmp

      Filesize

      8.3MB