General

  • Target
    vesktop_l0WmPY1ITZ.png
  • Size 577B
  • Sample260820-s2p4xszfqa
  • SHA256 bd40598084ffb9ce95195431581991cd27c10aace540c0ae43af14474ab00b4b
  • MD5 SHA1 SHA512 TLSH

Malware Config

Targets

    • Target
      vesktop_l0WmPY1ITZ.png
    • Size 577B
    • SHA256 bd40598084ffb9ce95195431581991cd27c10aace540c0ae43af14474ab00b4b
    • MD5 SHA1 SHA512 TLSH
    • 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.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • Network Share Discovery

      Attempt to gather information on host network.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v16

Tasks