General

  • Target
    lbcv1c4y2vw7buoa.exe
  • Size 993KB
  • Sample261105-2446ashh52
  • SHA256 80bc64b90440ecdcc721af4b26c5f11c01aa32f89052b9775cd03f6ce1853af3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • gomorat

Version
  • 1.8

Botnet
  • t.me/junk_code

C2
  • frpcports.duckdns.org:38063

Mutex
  • @junk_code

Attributes
  • antivirtual

    false

  • certificate

    2z5zqc

  • delay_unit

    Seconds

  • delay_value

    5

  • disk_spread

    false

  • enable_delay

    false

  • exclusion_wd

    true

  • hidden_file

    true

  • install

    true

  • install_watchdog

    false

  • key

    yxoj9bzm3q537zn4ioe09icafy

  • path_client

    %ProgramFiles%\junkSearch.exe

  • path_watchdog

    #2qn*g#ky$xat@r1!^5t

  • pump

    true

  • rootkit

    bste7kxnewp7gpgtz52od

  • rootkit_type

    junkkit

  • task_client

    ShellHost

  • task_watchdog

    +mfiw(#svhxahcn#@2wje

  • usb_spread

    true

  • use_install_admin

    true

  • user_init

    true

  • winlogon_shell_enable

    true

  • wmi_name

    WindowsDefender

  • wmi_startup

    false

Targets

    • Target
      lbcv1c4y2vw7buoa.exe
    • Size 993KB
    • SHA256 80bc64b90440ecdcc721af4b26c5f11c01aa32f89052b9775cd03f6ce1853af3
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: GomoRAT

      GomoRAT is a Windows RAT written in C#.

    • Modifies WinLogon for persistence

    • Boot or Logon Autostart Execution: Active Setup

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

    • Event Triggered Execution: AppInit DLLs

      Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v16

Tasks