General

  • Target

    .

  • Size

    39KB

  • Sample

    211212-vefyvacdg9

  • MD5

    f9c463e751d8cd6717c371d6b3fb18b9

  • SHA1

    a058c410c5557c8543338f704bdd4e9a8b5a9ace

  • SHA256

    ec37e7c528769b09a58de40987fa961527ef314c843037d0cf2692a280f5bdb6

  • SHA512

    7141c4b2f50492928746ee90032a9aa2f14feb35fa02d4ddd398af306e5467f7e820e0a4d7ba103de89df6014362b957d608d94136fdba28911d27af7577bf3b

Malware Config

Targets

    • Target

      .

    • Size

      39KB

    • MD5

      f9c463e751d8cd6717c371d6b3fb18b9

    • SHA1

      a058c410c5557c8543338f704bdd4e9a8b5a9ace

    • SHA256

      ec37e7c528769b09a58de40987fa961527ef314c843037d0cf2692a280f5bdb6

    • SHA512

      7141c4b2f50492928746ee90032a9aa2f14feb35fa02d4ddd398af306e5467f7e820e0a4d7ba103de89df6014362b957d608d94136fdba28911d27af7577bf3b

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • 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

    • Enumerates connected drives

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

    • Detected potential entity reuse from brand microsoft.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks