General

  • Target
    ced90667d0c5bab5a5cd3bbd55634d8a308170a866ef16447e87ae13c6a6ee49
  • Size 5.0MB
  • Sample260909-jbn99stejd
  • SHA256 ced90667d0c5bab5a5cd3bbd55634d8a308170a866ef16447e87ae13c6a6ee49
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

C2
  • 176.160.157.96:8887

  • uchiwa5.duckdns.org:8887

  • monbondns.duckdns.org:8887

Attributes
  • Install_directory

    %Temp%

  • install_file

    jusched.exe

Extracted

Family
  • cybergate

Version
  • v3.4.2.2

Botnet
  • spasiba3

C2
  • uchiwa5.duckdns.org:7777

  • 176.160.157.96:7777

  • monbondns.duckdns.org:7777

Mutex
  • 0BA8566O60C310

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    System32

  • install_file

    dllhost.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    cybergate92

  • regkey_hkcu

    HKCU

  • regkey_hklm

    HKLM

Extracted

Family
  • quasar

Attributes
  • encryption_key

    6D4A4249F385558E6764D6D6FE7C7D31F942200B

  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • reconnect_delay

    3000

Targets

    • Target
      ced90667d0c5bab5a5cd3bbd55634d8a308170a866ef16447e87ae13c6a6ee49
    • Size 5.0MB
    • SHA256 ced90667d0c5bab5a5cd3bbd55634d8a308170a866ef16447e87ae13c6a6ee49
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: CyberGate, Rebhip

      CyberGate is a lightweight remote administration tool with a wide array of functionalities.

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Family: xmrig

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

    • Quasar payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • XMRig Miner payload

    • Adds policy Run key to start application

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Command and Scripting Interpreter: PowerShell

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

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Creates new service(s)

    • Executes dropped EXE

    • Stops running service(s)

    • Adds Run key to start application

    • Looks up external IP address via web service

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

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks