Overview

overview

10

Static

static

3

spoolsv.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    spoolsv.exe
  • Size 135KB
  • Sample261022-2lnetsav6n
  • SHA256 819a563e1f8ff45db39351bcbde8974c2d7275854a351189e50c4968236eee06
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoverypersistence

Malware Config

Targets

    • Target
      spoolsv.exe
    • Size 135KB
    • SHA256 819a563e1f8ff45db39351bcbde8974c2d7275854a351189e50c4968236eee06
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoverypersistence

    • Modifies visibility of hidden/system files in Explorer

      defense_evasion

    • Executes a file named after a Windows system binary

      The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

      defense_evasion

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks