Resubmissions

27-03-2023 14:27

230327-rsnn3adh24 9

27-03-2023 14:22

230327-rp3zksfh6x 9

General

  • Target

    vanta_free.exe

  • Size

    57.4MB

  • Sample

    230327-rsnn3adh24

  • MD5

    a5b1c8309492a63c0ce56866298665db

  • SHA1

    f08e6aea1da73ab3d4859b353d325f2b6b460481

  • SHA256

    cd0d05edff074baacf0686932cfa19885c22588e580319e3c6a99e1970aadcf7

  • SHA512

    03cfe515a7ea3a7db6111a73c7b7e60108861c47737e16b4f42c391dcf174db26329c6f73245124a78d4701ec63765b7e07b8c21d8b7dbdda2c38e148dbcc8b9

  • SSDEEP

    786432:DMguj8Q4VfvFqFTrYAY8tIRS02PrmlNcicqmDAgpv:DiAQIHFkHl02SU58gpv

Malware Config

Targets

    • Target

      vanta_free.exe

    • Size

      57.4MB

    • MD5

      a5b1c8309492a63c0ce56866298665db

    • SHA1

      f08e6aea1da73ab3d4859b353d325f2b6b460481

    • SHA256

      cd0d05edff074baacf0686932cfa19885c22588e580319e3c6a99e1970aadcf7

    • SHA512

      03cfe515a7ea3a7db6111a73c7b7e60108861c47737e16b4f42c391dcf174db26329c6f73245124a78d4701ec63765b7e07b8c21d8b7dbdda2c38e148dbcc8b9

    • SSDEEP

      786432:DMguj8Q4VfvFqFTrYAY8tIRS02PrmlNcicqmDAgpv:DiAQIHFkHl02SU58gpv

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

    • 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.

    • Drops startup file

    • 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.

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v6

Tasks