Extracted

Extracted

• • Target
    5765545ccc1b99ac6ac37b2d6e2a8cbaf3e30f767b069620a734c3f8022db39c
  • Size 4.0MB
  • SHA256 5765545ccc1b99ac6ac37b2d6e2a8cbaf3e30f767b069620a734c3f8022db39c
  • MD5 8b0fa2f9a7d3822c44580a49dd546c97
  • SHA1 e90ac8103e2877a3c607fd8e4bdcd4a132846015
  • SHA512 2f168cfaf3cab1ab5cf274bc7983a64587fd26487fffa733393146e02ea609c0a0ed8f4527b58ad82416557afe91d1efa0b11afd35fbdfce7bc7a48a77c23680
  • SSDEEP 98304:MANuSZTKA0t9FFPEE6zTOwlRVny+pnp4huLe1ypSb3o9JCm:/bk9fcHiwVyWRi1ypS6JC
  • MD5 SHA1 SHA512 SSDEEP

  Score

  10^/10

  orcusdefense_evasiondiscoveryevasionexecutionpersistenceprivilege_escalationratspywarestealertrojanta505xmrigminer

  • 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

  • TA505

    Cybercrime group active since 2015, responsible for families like Dridex and Locky.

    ta505

  • Ta505 family

    ta505

  • UAC bypass

    evasiontrojan

  • XMRig Miner payload

    miner

  • Xmrig family

    xmrig

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

    minerxmrig

  • Orcurs Rat Executable

  • Blocklisted process makes network request

  • Command and Scripting Interpreter: PowerShell

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution

  • Downloads MZ/PE file

  • Checks computer location settings

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

  • 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.

    spywarestealer

  • Windows security modification

    evasiontrojan

  • Accesses cryptocurrency files/wallets, possible credential harvesting

    spyware

  • Adds Run key to start application

    persistence

  • Checks whether UAC is enabled

    evasiontrojan

  • 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.

  behavioral1behavioral2