General

  • Target

    Caiori.exe

  • Size

    55.9MB

  • Sample

    230315-qpf95sdc62

  • MD5

    fa2506d2f26a8620252672f9b4fe1982

  • SHA1

    c44d2903a80f22bb6956895f24c52e4e281d0e30

  • SHA256

    09616435fdac3fc6dbc3ada7c6f3aed5a4a369418a99a162e8c6134d25a905ea

  • SHA512

    b4a5245570156fb4bcbbcd162a6c7550d6ca04b4b6434c2d05e370462910f8c492e5058e96806f2f8a7fb8bdbf4f73e63459c61485e95f237a37a1942fe02c54

  • SSDEEP

    786432:80LoCOn+27s4urYDNulLBiuV8P876Drt57RVK4Q/h5pUaHUL:8MoCm/7Xw6O4Q/h5pUL

Malware Config

Targets

    • Target

      Caiori.exe

    • Size

      55.9MB

    • MD5

      fa2506d2f26a8620252672f9b4fe1982

    • SHA1

      c44d2903a80f22bb6956895f24c52e4e281d0e30

    • SHA256

      09616435fdac3fc6dbc3ada7c6f3aed5a4a369418a99a162e8c6134d25a905ea

    • SHA512

      b4a5245570156fb4bcbbcd162a6c7550d6ca04b4b6434c2d05e370462910f8c492e5058e96806f2f8a7fb8bdbf4f73e63459c61485e95f237a37a1942fe02c54

    • SSDEEP

      786432:80LoCOn+27s4urYDNulLBiuV8P876Drt57RVK4Q/h5pUaHUL:8MoCm/7Xw6O4Q/h5pUL

    • 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

    • 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