Overview

overview

6

Static

static

1

drw_trial_...36.exe

windows7-x64

6

drw_trial_...36.exe

windows10-2004-x64

4

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General

  • Target

    drw_trial_installer.6936.exe

  • Size

    2.5MB

  • Sample

    240421-nfyrqaab4y

  • MD5

    c90d8cca094f99d58aaed9391d0436dc

  • SHA1

    f93c6496f521e2f9332a9da0f0f374b90f09f7de

  • SHA256

    6acce147ca1ccc0e4616d2c7fed73659ea02cd83ce11da71df99a1ad36234f57

  • SHA512

    3f9d486e06f27d33f32e0a6bf4d5f977ac41cf42e3ec3090bb747e8eec157c1ae1ff1ae84d10d73e0abed7eec79d626adce88314b5d48141439b2ce7531c941a

  • SSDEEP

    49152:0/18U67vjsddEhjFGNS9LXQOjOQKK6bxM1vehddPa46JFUxkVxq6ZBcMucAtY:3U67vYUhjjV5OdbOUhDPWTUq9cMPOY

Score
6/10
bootkitdiscoveryevasionpersistence

Malware Config

Targets

    • Target

      drw_trial_installer.6936.exe

    • Size

      2.5MB

    • MD5

      c90d8cca094f99d58aaed9391d0436dc

    • SHA1

      f93c6496f521e2f9332a9da0f0f374b90f09f7de

    • SHA256

      6acce147ca1ccc0e4616d2c7fed73659ea02cd83ce11da71df99a1ad36234f57

    • SHA512

      3f9d486e06f27d33f32e0a6bf4d5f977ac41cf42e3ec3090bb747e8eec157c1ae1ff1ae84d10d73e0abed7eec79d626adce88314b5d48141439b2ce7531c941a

    • SSDEEP

      49152:0/18U67vjsddEhjFGNS9LXQOjOQKK6bxM1vehddPa46JFUxkVxq6ZBcMucAtY:3U67vYUhjjV5OdbOUhDPWTUq9cMPOY

    Score
    6/10
    bootkitdiscoveryevasionpersistence

    • Downloads MZ/PE file

    • Enumerates connected drives

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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Modifies Windows Firewall

      evasion

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks