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Overview

overview

8

Static

static

1

avast_free...ne.exe

windows7-x64

6

avast_free...ne.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    avast_free_antivirus_setup_online.exe

  • Size

    257KB

  • Sample

    231012-pjrm9ahh6t

  • MD5

    8356d4c424f871c71a8911dce65bea34

  • SHA1

    489cf2c7e0b7a90355534be8b68d01ff2d60122f

  • SHA256

    ab8ec4bd9d4783e076c8bda3f9e0dba984e4ebdb494df6871f9c647a444699cd

  • SHA512

    77fc21b27c47b53afd0b448c11288ddaa891f99b6678b24f5cf005dde87a901b06c1fc3656eabbc8e1b07993ad646b38d33b1749b7ca14d885cd6cad0fa3d5ff

  • SSDEEP

    3072:42RaiKg4xmUh1WXHqw/l+qmOELhakVsm3mxB32tLEv8zfdn5f2dZLCozOhhOn+T7:40KgGwHqwOOELha+sm2D2+Uhngufw

Score
8/10
bootkitpersistence

Malware Config

Targets

    • Target

      avast_free_antivirus_setup_online.exe

    • Size

      257KB

    • MD5

      8356d4c424f871c71a8911dce65bea34

    • SHA1

      489cf2c7e0b7a90355534be8b68d01ff2d60122f

    • SHA256

      ab8ec4bd9d4783e076c8bda3f9e0dba984e4ebdb494df6871f9c647a444699cd

    • SHA512

      77fc21b27c47b53afd0b448c11288ddaa891f99b6678b24f5cf005dde87a901b06c1fc3656eabbc8e1b07993ad646b38d33b1749b7ca14d885cd6cad0fa3d5ff

    • SSDEEP

      3072:42RaiKg4xmUh1WXHqw/l+qmOELhakVsm3mxB32tLEv8zfdn5f2dZLCozOhhOn+T7:40KgGwHqwOOELha+sm2D2+Uhngufw

    Score
    8/10
    bootkitpersistence

    • Downloads MZ/PE file

    • Checks for any installed AV software in registry

    • 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