General

  • Target
    2e666d262882b4262701b63378d44cb2
  • Size 4.5MB
  • Sample210710-9nlgaebyrn
  • SHA256 b0bc5a3dae0127da8f7743df8dc4014e9ba08c5a29928448aed8764242050da2
  • MD5 SHA1 SHA512

Malware Config

Targets

    • Target
      2e666d262882b4262701b63378d44cb2
    • Size 4.5MB
    • SHA256 b0bc5a3dae0127da8f7743df8dc4014e9ba08c5a29928448aed8764242050da2
    • MD5 SHA1 SHA512
    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • 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.

    • Deletes itself

    • 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 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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