Overview

overview

8

Static

static

3

Steamtools...2).exe

windows7-x64

1

Steamtools...2).exe

windows10-2004-x64

1

Steamtools...2).exe

windows10-ltsc 2021-x64

1

Steamtools...2).exe

windows11-21h2-x64

8

Sharing

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General

  • Target
    SteamtoolsSetup (2).exe
  • Size 978KB
  • Sample241116-1ect3svanr
  • SHA256 c9f2e2abb046ff2535537182edf9a9b748aa10a22e98a1d8c948d874f4ffb304
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
steamdefense_evasiondiscoverypersistencephishing

Malware Config

Targets

    • Target
      SteamtoolsSetup (2).exe
    • Size 978KB
    • SHA256 c9f2e2abb046ff2535537182edf9a9b748aa10a22e98a1d8c948d874f4ffb304
    • MD5 SHA1 SHA512 SSDEEP
    Score
    8/10
    steamdefense_evasiondiscoverypersistencephishing

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Detected potential entity reuse from brand STEAM.

      phishingsteam
    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Tasks