Overview

overview

9

Static

static

3

Virus.exe

windows10-ltsc_2021-x64

Virus.exe

windows10-2004-x64

Sharing

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General

  • Target
    Virus.exe
  • Size 921KB
  • Sample260517-2f6zzsdv4x
  • SHA256 2cac45c4e575e1beb4e02a697e871414bdb34c04fea12e661df4f58551857d0d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
bootkitdefense_evasiondiscoverypersistence

Malware Config

Targets

    • Target
      Virus.exe
    • Size 921KB
    • SHA256 2cac45c4e575e1beb4e02a697e871414bdb34c04fea12e661df4f58551857d0d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    bootkitdefense_evasiondiscoverypersistence

    • Looks for VirtualBox Guest Additions in registry

      defense_evasion

    • Looks for VMWare Tools registry key

      defense_evasion

    • Checks BIOS information in registry

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Maps connected drives based on registry

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

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks