General

  • Target
    prismacrack.exe
  • Size 8.8MB
  • Sample260527-tvmwnact2n
  • SHA256 b10d8f52d33b26e45dd479dc52df7a71a493d85366e8024c0c6c6f6efb2c92a5
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      prismacrack.exe
    • Size 8.8MB
    • SHA256 b10d8f52d33b26e45dd479dc52df7a71a493d85366e8024c0c6c6f6efb2c92a5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

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

    • Checks whether UAC is enabled

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v16

Tasks