Overview

overview

8

Static

static

3

QuestPatch...ws.exe

windows11-21h2-x64

8

Sharing

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General

  • Target
    QuestPatcher-windows.exe
  • Size 36.4MB
  • Sample260601-yny3kaev2y
  • SHA256 b480c7628b6b371e53fa4e7ef1ef40c34c5ca77a80ef395e1e8c1f9387b30dab
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
defense_evasiondiscoveryinstallerpersistenceransomware

Malware Config

Targets

    • Target
      QuestPatcher-windows.exe
    • Size 36.4MB
    • SHA256 b480c7628b6b371e53fa4e7ef1ef40c34c5ca77a80ef395e1e8c1f9387b30dab
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    defense_evasiondiscoveryinstallerpersistenceransomware

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks