Overview

overview

9

Static

static

3

wuauclt.exe

windows10-2004-x64

9

wuauclt.exe

windows11-ltsc_2024-x64

9

Sharing

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General

  • Target
    wuauclt.exe
  • Size 5.4MB
  • Sample260801-3afraaac84
  • SHA256 cba4cfeab08cd250770e987728d94c34df7c9836f26a0ee1fa25adce57958d93
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscoverypersistenceprivilege_escalation

Malware Config

Targets

    • Target
      wuauclt.exe
    • Size 5.4MB
    • SHA256 cba4cfeab08cd250770e987728d94c34df7c9836f26a0ee1fa25adce57958d93
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasiondiscoverypersistenceprivilege_escalation

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

      discovery

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

      persistenceprivilege_escalation

    • Executes dropped EXE

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

      discovery

    • Hide Artifacts: Hidden Files and Directories

      defense_evasion
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks