General

  • Target
    oax1fzmej3vuqjux.exe
  • Size 386KB
  • Sample261027-mr7nbsct2s
  • SHA256 f0ebc2250322fff2d26931279b2d9df6ec49fe19e997ad1385ff1509347a6e97
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • gomorat

Version
  • 110|dKq2mIS/txtRc4btECIUsw==

Botnet
  • 109|roY+ehGCF6jKdDUOHxEMWA==

C2
  • 108|enx/y7sHnqiBZ8Gqq24tRKAuB68iBqKD1ZGdIDVSZqY=

Mutex
  • 111|yu8aMxUmCq6CarmFyRUh3A==

Attributes
  • antivirtual

    127|v2ADIPJcSXlTcTch7XplHw==

  • certificate

    126|Awome/7qcrriZKOIU7b7vIJkPHkwMFqEkmwBD5zYdKE=

  • delay_unit

    133|g4YV3nHGl50mGGQuoOF4RA==

  • delay_value

    132|RmS2IfQd/OUgHECpZ/JXjQ==

  • disk_spread

    136|wOjrxYXEoo0raIk4M9pnng==

  • enable_delay

    131|vlaW1HPwZ1kqbeQ/JUYu5w==

  • exclusion_wd

    115|mwuektkhjl56kKIi+1qBJg==

  • hidden_file

    116|a7HLlOWfF086q9LllULYyw==

  • install

    112|0oeVmA+MXE+A/XcdqFwkKg==

  • install_watchdog

    113|6UztBTIayfbFwgxZ6XfyiA==

  • key

    129|1Ip63/7f6K6o8OH3V6Pxmw==

  • pastebin_url

    130|4a7FKC89goB3u7C5Epv5PA==

  • path_client

    124|f+1MDwwX9T2mjExU13jPmAXBHjLlj3W6u9zAhtH1ssU=

  • path_watchdog

    125|wDG/ijcGnGM+EglIUzgioAknqlq679kE0tpnm+aJITk=

  • pump

    121|LHLVs1nAjtsBw/8NbJngVA==

  • rootkit

    117|o5j0eJ+LoYml7tHlxzG9TEMnb+UCw9qI9rgNQp/o/bI=

  • rootkit_type

    134|ESKuKRdjvDKPEIy0axtQpw==

  • task_client

    122|1rBX09M58HUPcnOojVJ0OQ==

  • task_watchdog

    123|a6Wcg11b7ylj9iEm+dktMg==

  • usb_spread

    135|/siIQjJP1o3poMlAjX7GDw==

  • use_install_admin

    114|4tryXg07geEamAZcdEA9bg==

  • user_init

    128|Ar7ZWgAdI8qmRt0KgnQC4g==

  • winlogon_shell_enable

    120|g2QW1ubV3ZwUqHCA/iF3pA==

  • wmi_name

    119|7E0QiHQs+aU/cVl1hxhOJw==

  • wmi_startup

    118|P3EFPuuCYgpbFBGkbAToGA==

Targets

    • Target
      oax1fzmej3vuqjux.exe
    • Size 386KB
    • SHA256 f0ebc2250322fff2d26931279b2d9df6ec49fe19e997ad1385ff1509347a6e97
    • 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