General

  • Target

    f6d66119_extracted

  • Size

    953KB

  • Sample

    210528-w2zdy9hk9a

  • MD5

    7c0515a40b439d120deb649fb8ccafe3

  • SHA1

    c081cb8c417f69a8675f9c90b5cc6778d770d8a7

  • SHA256

    3f25bc78db5f00c85bbd8662838858fa12989976b7be9c70aa6f68fe92c78a53

  • SHA512

    12f160d3162f5fa8a62e972630e0e9c17385e7ab4a8760a8680f20a89f3acc64c1baff8a68b5a7b8e8f7785b72cac3ae7254bb1b223aacbe413a5e5a65455f41

Malware Config

Extracted

Family

orcus

Botnet

Start - Steam

C2

185.217.1.185:911

Mutex

a36e4add169c442b882f8f0c5cb7e8cf

Attributes
  • autostart_method

    TaskScheduler

  • enable_keylogger

    false

  • install_path

    %programdata%\Steam\Steam Client.exe

  • reconnect_delay

    6600

  • registry_keyname

    Steam Webhelper Standalone

  • taskscheduler_taskname

    Steam Client WebHelper

  • watchdog_path

    Temp\Steam Client WebHelper.exe

Targets

    • Target

      f6d66119_extracted

    • Size

      953KB

    • MD5

      7c0515a40b439d120deb649fb8ccafe3

    • SHA1

      c081cb8c417f69a8675f9c90b5cc6778d770d8a7

    • SHA256

      3f25bc78db5f00c85bbd8662838858fa12989976b7be9c70aa6f68fe92c78a53

    • SHA512

      12f160d3162f5fa8a62e972630e0e9c17385e7ab4a8760a8680f20a89f3acc64c1baff8a68b5a7b8e8f7785b72cac3ae7254bb1b223aacbe413a5e5a65455f41

    • Orcus

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

    • Orcus Main Payload

    • Orcurs Rat Executable

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops desktop.ini file(s)

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Tasks