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Resubmissions

14/08/2024, 12:35

240814-pshrpssdpb 8

14/08/2024, 12:23

240814-pkklbssamh 8

General

  • Target

    SteamtoolsSetup.exe

  • Size

    1.7MB

  • Sample

    240814-pshrpssdpb

  • MD5

    dd410c316152077eb8a683ed981fc787

  • SHA1

    360b90cd99dd9ead20b21e50c73a3d0fe10123c1

  • SHA256

    036128ca60c543609bf2c6c362e2f909c85f1760d4a8d6b07c55b73d36d9df0b

  • SHA512

    81f4dceebe93a89b239076937df31bf28542b23ed8e383ca9b30cbdcd89b3d8683fc8fff9c78d74c1ced281e766cb852b54b6c5b5640b6cb0224b66c747d8657

  • SSDEEP

    24576:nkcCSfG0yWS7woCNAi1GoCaLI4/gPGHOV1VVW4Qn652aPOrjB9:kcCSe0yT7wooAi1GhWI4oPGHOVVWvcC

Malware Config

Targets

    • Target

      SteamtoolsSetup.exe

    • Size

      1.7MB

    • MD5

      dd410c316152077eb8a683ed981fc787

    • SHA1

      360b90cd99dd9ead20b21e50c73a3d0fe10123c1

    • SHA256

      036128ca60c543609bf2c6c362e2f909c85f1760d4a8d6b07c55b73d36d9df0b

    • SHA512

      81f4dceebe93a89b239076937df31bf28542b23ed8e383ca9b30cbdcd89b3d8683fc8fff9c78d74c1ced281e766cb852b54b6c5b5640b6cb0224b66c747d8657

    • SSDEEP

      24576:nkcCSfG0yWS7woCNAi1GoCaLI4/gPGHOV1VVW4Qn652aPOrjB9:kcCSe0yT7wooAi1GhWI4oPGHOVVWvcC

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Detected potential entity reuse from brand steam.

MITRE ATT&CK Enterprise v15

Tasks