General

  • Target
    ST_Internal_Loader.exe
  • Size 15.0MB
  • Sample260809-wqredsbm2y
  • SHA256 0153747ea9100eb2aa8d2b76a5ddf73d51a770c8c2f88e1430a8434dcaf3160a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      ST_Internal_Loader.exe
    • Size 15.0MB
    • SHA256 0153747ea9100eb2aa8d2b76a5ddf73d51a770c8c2f88e1430a8434dcaf3160a
    • 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