Overview

overview

9

Static

static

3

WinUpdate.exe

windows10-2004-x64

9

Sharing

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General

  • Target
    WinUpdate.exe
  • Size 10.6MB
  • Sample260712-k8b7msht7y
  • SHA256 c4ab2e37d2330adce6f97f2329e5c75d4d042742fe6ea15467ebadcdd939eed0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasionpersistencepyinstallerransomware

Malware Config

Targets

    • Target
      WinUpdate.exe
    • Size 10.6MB
    • SHA256 c4ab2e37d2330adce6f97f2329e5c75d4d042742fe6ea15467ebadcdd939eed0
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasionpersistenceransomware

    • Renames multiple (131) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks