General

  • Target
    Setup.exe
  • Size 7.0MB
  • Sample230218-k82sasbb91
  • SHA256 37b90013b2b05efd0ff943fb6b3173bc802d5cc7eb0d24801ee5c298f30b5b3d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      Setup.exe
    • Size 7.0MB
    • SHA256 37b90013b2b05efd0ff943fb6b3173bc802d5cc7eb0d24801ee5c298f30b5b3d
    • MD5 SHA1 SHA512 SSDEEP
    • 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

    • Loads dropped DLL

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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

MITRE ATT&CK Enterprise v6

Tasks