General

  • Target

    Free Fortnite [ Astro Services ].exe

  • Size

    6.1MB

  • Sample

    240628-yv2f9s1ang

  • MD5

    5e43b3f629028f3f0fb373320e67f8f2

  • SHA1

    7a38ce7f6fbfdfa40d3301f35bf98a38591332de

  • SHA256

    cdc538c211494d264a6f1fb268a7058e1493baec68b2d34476fc0a300a60ebd7

  • SHA512

    dca1f077f0b25bf9cd26ac97170d41ab9c398dce9840060831914bdeae7523b6fc989144660d82fcd53a901f2e2d7dd8158c3ddd875b62733857cc4401330c7c

  • SSDEEP

    98304:MjqTgN3fokLXZwaFowjUeLMpHkjYtrCc14hOanzMSxjxfd4CLeJ5nLXOJ:Skc35LUyMijVzMSxjxn+iJ

Malware Config

Targets

    • Target

      Free Fortnite [ Astro Services ].exe

    • Size

      6.1MB

    • MD5

      5e43b3f629028f3f0fb373320e67f8f2

    • SHA1

      7a38ce7f6fbfdfa40d3301f35bf98a38591332de

    • SHA256

      cdc538c211494d264a6f1fb268a7058e1493baec68b2d34476fc0a300a60ebd7

    • SHA512

      dca1f077f0b25bf9cd26ac97170d41ab9c398dce9840060831914bdeae7523b6fc989144660d82fcd53a901f2e2d7dd8158c3ddd875b62733857cc4401330c7c

    • SSDEEP

      98304:MjqTgN3fokLXZwaFowjUeLMpHkjYtrCc14hOanzMSxjxfd4CLeJ5nLXOJ:Skc35LUyMijVzMSxjxn+iJ

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks