General

  • Target

    d73f2f3fa297db9ec498c7d178e3734415e11d3024f8eb2ea5aece6f006f9ec4

  • Size

    3.0MB

  • Sample

    240728-bdbsysydrq

  • MD5

    a904538c9a37ec92bd9f152e48d70629

  • SHA1

    a9b87b357b3cc41c01ab33ea04281babf1d80d56

  • SHA256

    d73f2f3fa297db9ec498c7d178e3734415e11d3024f8eb2ea5aece6f006f9ec4

  • SHA512

    34abc573e2f405fd036ea027ee979993a771f4be888075741b6033777769e1d2c30102336eb7df555a7b042f2e8c2ee8cf908a546e99b97638f07c6189231bfd

  • SSDEEP

    49152:Cs7p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpau/nRFfjI7L0qb:CsHTPJg8z1mKnypSbRxo9JCm

Malware Config

Extracted

Family

orcus

Botnet

FixRat

C2

31.44.184.52:54370

Mutex

sudo_7kz7er6675f4d9qdspyd5zzhxt61n0f2

Attributes
  • autostart_method

    Disable

  • enable_keylogger

    false

  • install_path

    %appdata%\securecdn\publiccdn.exe

  • reconnect_delay

    10000

  • registry_keyname

    Sudik

  • taskscheduler_taskname

    sudik

  • watchdog_path

    AppData\aga.exe

Targets

    • Target

      d73f2f3fa297db9ec498c7d178e3734415e11d3024f8eb2ea5aece6f006f9ec4

    • Size

      3.0MB

    • MD5

      a904538c9a37ec92bd9f152e48d70629

    • SHA1

      a9b87b357b3cc41c01ab33ea04281babf1d80d56

    • SHA256

      d73f2f3fa297db9ec498c7d178e3734415e11d3024f8eb2ea5aece6f006f9ec4

    • SHA512

      34abc573e2f405fd036ea027ee979993a771f4be888075741b6033777769e1d2c30102336eb7df555a7b042f2e8c2ee8cf908a546e99b97638f07c6189231bfd

    • SSDEEP

      49152:Cs7p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpau/nRFfjI7L0qb:CsHTPJg8z1mKnypSbRxo9JCm

    • Orcus

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

    • Orcus main payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks