General

  • Target
    Leitos Tweaks.exe
  • Size 14.0MB
  • Sample260710-vn5zbsfx2v
  • SHA256 8554b70a8003f25e495cefeeb83457608d65ae5fcbcd47979dc88c17d821570f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Leitos Tweaks.exe
    • Size 14.0MB
    • SHA256 8554b70a8003f25e495cefeeb83457608d65ae5fcbcd47979dc88c17d821570f
    • 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.

    • Disables service(s)

    • Executes dropped EXE

    • Loads dropped DLL

    • Stops running service(s)

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Network Share Discovery

      Attempt to gather information on host network.

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v16

Tasks