Overview

overview

6

Static

static

1

avast_free...ne.exe

windows7-x64

6

avast_free...ne.exe

windows10-2004-x64

6

Sharing

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General

  • Target
    avast_free_antivirus_setup_online.exe
  • Size 257KB
  • Sample240303-adbyaaba56
  • SHA256 8e7a0700e64507ba63c53f2df803fbf233c10b81f2286ae19b8fbbaedd55b01b
  • MD5 SHA1 SHA512 SSDEEP
Score
6/10
bootkitpersistence

Malware Config

Targets

    • Target
      avast_free_antivirus_setup_online.exe
    • Size 257KB
    • SHA256 8e7a0700e64507ba63c53f2df803fbf233c10b81f2286ae19b8fbbaedd55b01b
    • MD5 SHA1 SHA512 SSDEEP
    Score
    6/10
    bootkitpersistence

    • Adds Run key to start application

      persistence

    • Checks for any installed AV software in registry

    • Downloads MZ/PE file

    • 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 v15

Tasks