Extracted

• • Target

    xd.exe

  • Size

    3.0MB

  • MD5

    b8006a0ea8243be30ddbc2009aa05d93

  • SHA1

    81df425e729edd90c7b7e50b995803da783557ef

  • SHA256

    6895bec83e891c87783c0fd0a99f338205c8426d5cd0f2e298b22979e3e497f2

  • SHA512

    4535e0547d479b58663dcc71dc49e7658438e79145cf0eb7d8748864209aa33fb35bf41d506ad527fc25132448c9800ca1cc8eff7568f5af4878da667ad462a4

  • SSDEEP

    49152:6zTEKO3T5adZKM0sz5otCeEvsDKx+msbfGGW8wlBKJwAypQxbxEo9JnCmmNMrZEu:6zTtODUKTslWp2MpbfGGilIJPypSbxE8

  Score

  10^/10

  orcusdefense_evasionevasionpersistenceprivilege_escalationratspywarestealertrojandiscoveryexecution

  • Contains code to disable Windows Defender

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Modifies Windows Defender Real-time Protection settings

    evasiontrojan

  • Orcus

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

    ratspywarestealerorcus

  • Orcus family

    orcus

  • Orcus main payload

  • UAC bypass

    evasiontrojan

  • Orcurs Rat Executable

  • Checks computer location settings

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE

  • Loads dropped DLL

  • Reads WinSCP keys stored on the system

    Tries to access WinSCP stored sessions.

    spywarestealer

  • Reads data files stored by FTP clients

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer

  • Reads user/profile data of web browsers

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer

  • Windows security modification

    evasiontrojan

  • Checks installed software on the system

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery

  • Checks whether UAC is enabled

    evasiontrojan

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • Hijack Execution Flow: Executable Installer File Permissions Weakness

    Possible Turn off User Account Control's privilege elevation for standard users.

    defense_evasionpersistenceprivilege_escalation

  • Looks up external IP address via web service

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

  behavioral1behavioral2behavioral3