Analysis

  • max time kernel
    292s
  • max time network
    209s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-08-2024 07:59

General

  • Target

    BearFlix\libcef.exe

  • Size

    3.0MB

  • MD5

    a553208ea4a57f1334669fe1e80113b7

  • SHA1

    509aebd8384adb5f0d5f37dd3dd2b799ca7ddae6

  • SHA256

    c868a800bef638fd579202534fa763a584cf78a01447afc89908ed1bae308ace

  • SHA512

    08765ce1ed9d095527b469495b2138e6446c9034916f4030e7c02c43ea7b39708c1d3cd4f35c9df156633e77cdcb702258f7d627c028c902ac3f450dd0643eef

  • SSDEEP

    49152:k81zxrw6PRLfCprOOR0yXNnMFraaDbXkQe/9p:k81zxrwkCNlxNgrfn0n

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.

  • Themida packer 9 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\BearFlix\libcef.exe
    "C:\Users\Admin\AppData\Local\Temp\BearFlix\libcef.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • System Location Discovery: System Language Discovery
    PID:2832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2832-0-0x0000000000910000-0x0000000000D6B000-memory.dmp

    Filesize

    4.4MB

  • memory/2832-2-0x0000000000910000-0x0000000000D6B000-memory.dmp

    Filesize

    4.4MB

  • memory/2832-1-0x0000000000910000-0x0000000000D6B000-memory.dmp

    Filesize

    4.4MB

  • memory/2832-3-0x0000000000910000-0x0000000000D6B000-memory.dmp

    Filesize

    4.4MB

  • memory/2832-7-0x0000000000910000-0x0000000000D6B000-memory.dmp

    Filesize

    4.4MB

  • memory/2832-6-0x0000000000910000-0x0000000000D6B000-memory.dmp

    Filesize

    4.4MB

  • memory/2832-5-0x0000000000910000-0x0000000000D6B000-memory.dmp

    Filesize

    4.4MB

  • memory/2832-4-0x0000000000910000-0x0000000000D6B000-memory.dmp

    Filesize

    4.4MB

  • memory/2832-8-0x0000000000910000-0x0000000000D6B000-memory.dmp

    Filesize

    4.4MB