Overview

overview

10

Static

static

10

MaxLocker.exe

windows10-ltsc_2021-x64

10

Sharing

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General

  • Target
    MaxLocker.exe
  • Size 936KB
  • Sample260809-tzcw9avshy
  • SHA256 103505f9df33430a7e1ba220204b8ee79725b3cad0ed16208f8793ed5d9440ad
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
maxlockerdefense_evasionpersistencestealer

Malware Config

Targets

    • Target
      MaxLocker.exe
    • Size 936KB
    • SHA256 103505f9df33430a7e1ba220204b8ee79725b3cad0ed16208f8793ed5d9440ad
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasionpersistence

    • Modifies WinLogon for persistence

      persistence

    • Looks for VirtualBox Guest Additions in registry

      defense_evasion

    • Disables RegEdit via registry modification

      defense_evasion

    • Disables Task Manager via registry modification

      defense_evasion

    • Looks for VMWare Tools registry key

      defense_evasion

    • Adds Run key to start application

      persistence

    • Indicator Removal: Clear Persistence

      Clear artifacts associated with previously established persistence like scheduletasks on a host.

      defense_evasion

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks