Extracted

• • Target

    UZI.exe

  • Size

    1.1MB

  • MD5

    53438f13efec4841b7182bdcebc4410b

  • SHA1

    9483c1614dbf6e133c92a1d355a017eff4eeed2b

  • SHA256

    6e5aa4eae614ca049a1b2c8b803e6610b2b176a8e009ddad8df221c5899bb0ac

  • SHA512

    363eb26746cc536a351f176d17205305ac84c18f151d608eb3f6543bed9db9e6d6104b90babde74d780873ef092bb2628493b5486f4521d0f9e8d26b5b33de8b

  • SSDEEP

    24576:Fam4MROxnF4HrrcI0AilFEvxHPRZoo1jXbh:FOMiaHrrcI0AilFEvxHPjr

  Score

  10^/10

  orcusdefense_evasionratspywarestealerbootkitpersistence

  • Modifies security service

    defense_evasion

  • Orcus

    Orcus is a Remote Access Trojan that is being sold on underground forums.

    ratspywarestealerorcus

  • Orcus family

    orcus

  • Orcurs Rat Executable

  • Sets service image path in registry

    persistence

  • 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.

  • Executes dropped EXE

  • Indicator Removal: Clear Windows Event Logs

    Clear Windows Event Logs to hide the activity of an intrusion.

    defense_evasion

  • Loads dropped DLL

  • Enumerates connected drives

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

  • Writes to the Master Boot Record (MBR)

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence

  • Drops file in System32 directory

  behavioral1behavioral2