Overview

overview

6

Static

static

1

avast_prem...ne.exe

windows10-2004-x64

6

avast_prem...ne.exe

windows11-ltsc_2024-x64

6

Sharing

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General

  • Target
    avast_premium_security_setup_online.exe
  • Size 243KB
  • Sample260825-f1f4eafh79
  • SHA256 1335aee0a0414a7837e8aafec8588c957b59fd4807dea3005e9655d79ce1159a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
bootkitdiscoverypersistence

Malware Config

Targets

    • Target
      avast_premium_security_setup_online.exe
    • Size 243KB
    • SHA256 1335aee0a0414a7837e8aafec8588c957b59fd4807dea3005e9655d79ce1159a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    6/10
    bootkitdiscoverypersistence

    • 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 v16

Tasks