Resubmissions

11-11-2024 13:48

241111-q3313aypg1 9

11-11-2024 13:37

241111-qw257azdlj 3

11-11-2024 13:36

241111-qwd4cstjdm 3

11-11-2024 13:16

241111-qhw21syncy 9

11-11-2024 13:13

241111-qf72haynbv 9

Analysis

  • max time kernel
    62s
  • max time network
    63s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    11-11-2024 13:48

General

  • Target

    fafd551638daa4ab17ebdc71f2bffd8599332b1f1e95409af51870502cd65e38.exe

  • Size

    1.8MB

  • MD5

    c8bdae4b54ec9fb34babe5908c1273f1

  • SHA1

    53111c9f481f86109c4f045c7c65523d9f5906b0

  • SHA256

    fafd551638daa4ab17ebdc71f2bffd8599332b1f1e95409af51870502cd65e38

  • SHA512

    ab78acf0a806ad909c8c6e46d13e1428efa29eea35620e6a9a40f3b4e08333a6ae83671a39af96a14f0b71d2dd7f021b9354393fa0e4962d1c9b241a71814450

  • SSDEEP

    24576:Y7Y2nzJAFNcKtO5fE7T2rVP2DoKomRXvYU/S7VCiG3M02N7nVDJXgPGaoz7HkcKb:sYUzOHjSfE/+0RAhQ7j2RV1SGaAX1k

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • 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
  • 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\fafd551638daa4ab17ebdc71f2bffd8599332b1f1e95409af51870502cd65e38.exe
    "C:\Users\Admin\AppData\Local\Temp\fafd551638daa4ab17ebdc71f2bffd8599332b1f1e95409af51870502cd65e38.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:636
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4460

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/636-0-0x00000000002A0000-0x0000000000950000-memory.dmp

      Filesize

      6.7MB

    • memory/636-1-0x00000000779C5000-0x00000000779C7000-memory.dmp

      Filesize

      8KB

    • memory/636-2-0x00000000002A1000-0x00000000002B8000-memory.dmp

      Filesize

      92KB

    • memory/636-3-0x00000000002A0000-0x0000000000950000-memory.dmp

      Filesize

      6.7MB

    • memory/636-4-0x00000000002A0000-0x0000000000950000-memory.dmp

      Filesize

      6.7MB