Overview

overview

9

Static

static

1

Steamtools...1).exe

windows7-x64

9

Steamtools...1).exe

windows10-2004-x64

3

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General

  • Target

    SteamtoolsSetup (1).exe

  • Size

    837KB

  • Sample

    241218-clhrxaxrey

  • MD5

    93ef55f275e12608889ba7c2e908e6d8

  • SHA1

    969a31955b49a8bd82567fa582b3f29528ceb6f1

  • SHA256

    7af03f9f3e8d96c931d69b1ecd531ee976c6e504d678bbf44f553ffea8943291

  • SHA512

    fa3dfb36608777a5942cc3ffdb5d1599efd0420dbd436def11d860312b6dff64af6d9c3022964c78eaf34c3173a8907a3b58e88fda8f83a4e8e4063287ba7c53

  • SSDEEP

    12288:GkNPWVmcf59WoYuEfR9hdAPS/OaoKDXE65hBWeSjpb1Bs7+5oQEEeTX:GGhu27maoKD0jeIpfs7xQAT

Score
9/10
steamdiscoverypersistencephishingransomware

Malware Config

Targets

    • Target

      SteamtoolsSetup (1).exe

    • Size

      837KB

    • MD5

      93ef55f275e12608889ba7c2e908e6d8

    • SHA1

      969a31955b49a8bd82567fa582b3f29528ceb6f1

    • SHA256

      7af03f9f3e8d96c931d69b1ecd531ee976c6e504d678bbf44f553ffea8943291

    • SHA512

      fa3dfb36608777a5942cc3ffdb5d1599efd0420dbd436def11d860312b6dff64af6d9c3022964c78eaf34c3173a8907a3b58e88fda8f83a4e8e4063287ba7c53

    • SSDEEP

      12288:GkNPWVmcf59WoYuEfR9hdAPS/OaoKDXE65hBWeSjpb1Bs7+5oQEEeTX:GGhu27maoKD0jeIpfs7xQAT

    Score
    9/10
    steamdiscoverypersistencephishingransomware

    • Renames multiple (51) files with added filename extension

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

      ransomware

    • Adds Run key to start application

      persistence

    • Downloads MZ/PE file

    • Detected potential entity reuse from brand STEAM.

      phishingsteam
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks