Overview

overview

8

Static

static

1

bitdefende...ee.exe

windows10-2004-x64

8

bitdefende...ee.exe

windows11-ltsc_2024-x64

8

Sharing

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General

  • Target
    bitdefender_avfree.exe
  • Size 21.3MB
  • Sample260624-s46jpadv2p
  • SHA256 b34cc0ff325b2f0a81c9b4ebd925e36a1302fcd3388ac28a2b77dfdc5eaf1d13
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistenceransomwarespyware

Malware Config

Targets

    • Target
      bitdefender_avfree.exe
    • Size 21.3MB
    • SHA256 b34cc0ff325b2f0a81c9b4ebd925e36a1302fcd3388ac28a2b77dfdc5eaf1d13
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    discoverypersistenceadwareransomwarespyware

    • Drops file in Drivers directory

    • 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.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Downloads MZ/PE file

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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