Overview

overview

6

Static

static

1

avast_free...ne.exe

windows10-2004-x64

6

avast_free...ne.exe

windows11-ltsc_2024-x64

6

Sharing

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General

  • Target
    avast_free_antivirus_setup_online.exe
  • Size 245KB
  • Sample260702-rnbtpscz5k
  • SHA256 f0094335002d459fe45cfe3eadacb72ee33095cbfcb557490813f4cfa823433e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
adwarebootkitdiscoverypersistenceransomwarespyware

Malware Config

Targets

    • Target
      avast_free_antivirus_setup_online.exe
    • Size 245KB
    • SHA256 f0094335002d459fe45cfe3eadacb72ee33095cbfcb557490813f4cfa823433e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    6/10
    bootkitdiscoverypersistenceadwareransomwarespyware

    • 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

    • Checks for any installed AV software in registry

    • Downloads MZ/PE file

    • Enumerates connected drives

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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks