Overview

overview

8

Static

static

3

SteamtoolsSetup.exe

windows7-x64

1

SteamtoolsSetup.exe

windows10-2004-x64

8

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General

  • Target

    SteamtoolsSetup.exe

  • Size

    931KB

  • Sample

    241019-kn9meaxbqg

  • MD5

    437a78852ca72c066ab69826eaec8fda

  • SHA1

    067f013edc49612d2ad97be0ca19bd5aba144f10

  • SHA256

    8b0c4556e30ab51385a4d4cb915d94f61a74fb57a235bac0ef8929eedcbcb300

  • SHA512

    945495fe067a518387a9a6fad028c29f9a23cfc2b98838c061b9e53320d91662089c532a44cb4c2dac1504c8a3adcae03c66ecdaf67919f898f3ca2e91ad304e

  • SSDEEP

    24576:5muyG01IeGKHK8LKr7r0sUpPFXzcuTqLbTB1Kay2y/Cp5h1T4q:1KHP07r0sUr7TqLbTB1KayEpH1T4

Score
8/10
steamdiscoverypersistencephishing

Malware Config

Targets

    • Target

      SteamtoolsSetup.exe

    • Size

      931KB

    • MD5

      437a78852ca72c066ab69826eaec8fda

    • SHA1

      067f013edc49612d2ad97be0ca19bd5aba144f10

    • SHA256

      8b0c4556e30ab51385a4d4cb915d94f61a74fb57a235bac0ef8929eedcbcb300

    • SHA512

      945495fe067a518387a9a6fad028c29f9a23cfc2b98838c061b9e53320d91662089c532a44cb4c2dac1504c8a3adcae03c66ecdaf67919f898f3ca2e91ad304e

    • SSDEEP

      24576:5muyG01IeGKHK8LKr7r0sUpPFXzcuTqLbTB1Kay2y/Cp5h1T4q:1KHP07r0sUr7TqLbTB1KayEpH1T4

    Score
    8/10
    steamdiscoverypersistencephishing

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

    • Detected potential entity reuse from brand STEAM.

      phishingsteam
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks