General

  • Target
    a71f91351dc1bb57f0426080f2c03854.exe
  • Size 8.4MB
  • Sample210717-98tnta93m2
  • SHA256 f95e19a66cb1e3a612f2c07380376196e856dfefbe1038c4e6fd7d6a03388b5d
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • orcus

Botnet
  • NewVPREFinal

C2
  • 67.242.2.35:10134

Mutex
  • 8185e643b7514e15b8dcfc7df7a8733b

Attributes
  • autostart_method

    TaskScheduler

  • enable_keylogger

    true

  • install_path

    %systemroot%\lsddsds\lsdds.exe

  • reconnect_delay

    10000

  • registry_keyname

    lsd

  • taskscheduler_taskname

    lsdds

  • watchdog_path

    Temp\olsdd.exe

Targets

    • Target
      a71f91351dc1bb57f0426080f2c03854.exe
    • Size 8.4MB
    • SHA256 f95e19a66cb1e3a612f2c07380376196e856dfefbe1038c4e6fd7d6a03388b5d
    • MD5 SHA1 SHA512
    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

    • Orcus

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

    • Orcus Main Payload

    • xmrig

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

    • Looks for VirtualBox Guest Additions in registry

    • Orcurs Rat Executable

    • XMRig Miner Payload

    • Executes dropped EXE

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

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

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks