Overview

overview

8

Static

static

1

bitdefende...ee.exe

windows10-2004-x64

8

bitdefende...ee.exe

windows11-ltsc_2024-x64

4

Sharing

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General

  • Target
    bitdefender_avfree.exe
  • Size 21.5MB
  • Sample260828-3xccdatzav
  • SHA256 0e63740f65b1252e6d78be553b51b2f245b8cf6dfa1e6eece70773806554ace8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
discoverypersistence

Malware Config

Targets

    • Target
      bitdefender_avfree.exe
    • Size 21.5MB
    • SHA256 0e63740f65b1252e6d78be553b51b2f245b8cf6dfa1e6eece70773806554ace8
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    discoverypersistence

    • Drops file in Drivers directory

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

      persistence

    • Uses Session Manager for persistence

      Creates Session Manager registry key to run executable early in system boot.

      persistence

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks