Resubmissions

25-12-2024 14:03

241225-rcvsfavlhr 6

25-12-2024 14:01

241225-rb2jlavkez 3

General

  • Target

    SteamtoolsSetup.exe

  • Size

    837KB

  • Sample

    241225-rcvsfavlhr

  • MD5

    93ef55f275e12608889ba7c2e908e6d8

  • SHA1

    969a31955b49a8bd82567fa582b3f29528ceb6f1

  • SHA256

    7af03f9f3e8d96c931d69b1ecd531ee976c6e504d678bbf44f553ffea8943291

  • SHA512

    fa3dfb36608777a5942cc3ffdb5d1599efd0420dbd436def11d860312b6dff64af6d9c3022964c78eaf34c3173a8907a3b58e88fda8f83a4e8e4063287ba7c53

  • SSDEEP

    12288:GkNPWVmcf59WoYuEfR9hdAPS/OaoKDXE65hBWeSjpb1Bs7+5oQEEeTX:GGhu27maoKD0jeIpfs7xQAT

Malware Config

Targets

    • Target

      SteamtoolsSetup.exe

    • Size

      837KB

    • MD5

      93ef55f275e12608889ba7c2e908e6d8

    • SHA1

      969a31955b49a8bd82567fa582b3f29528ceb6f1

    • SHA256

      7af03f9f3e8d96c931d69b1ecd531ee976c6e504d678bbf44f553ffea8943291

    • SHA512

      fa3dfb36608777a5942cc3ffdb5d1599efd0420dbd436def11d860312b6dff64af6d9c3022964c78eaf34c3173a8907a3b58e88fda8f83a4e8e4063287ba7c53

    • SSDEEP

      12288:GkNPWVmcf59WoYuEfR9hdAPS/OaoKDXE65hBWeSjpb1Bs7+5oQEEeTX:GGhu27maoKD0jeIpfs7xQAT

    • Adds Run key to start application

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Detected potential entity reuse from brand STEAM.

MITRE ATT&CK Enterprise v15

Tasks