General

  • Target
    Setup.exe
  • Size 7.2MB
  • Sample230130-ym4lnace56
  • SHA256 cbfca62676f5f4653e7151e00a3fabc91fae98e1c8beab6b2e05eb79cd3b342d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      Setup.exe
    • Size 7.2MB
    • SHA256 cbfca62676f5f4653e7151e00a3fabc91fae98e1c8beab6b2e05eb79cd3b342d
    • MD5 SHA1 SHA512 SSDEEP
    • Detect PureCrypter injector

    • PureCrypter

      PureCrypter is a .NET malware loader first seen in early 2021.

    • 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.

    • 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 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks