General

  • Target
    zugauvc1jrg0d65l.exe
  • Size 450KB
  • Sample261027-m3tkvact8s
  • SHA256 42c768756120b01d8c07e26aba5228204be7042a8f71bfa36ba7fb494766382e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • gomorat

Version
  • 110|Z9GkCWj9+34cV/7v4fkt5A==

Botnet
  • 109|gKa+Ij1RiPD8N5iw5GKYQw==

C2
  • 108|eSbxfBTyeQEaDxOzcRBX1IWZOihZzHB0IiR7f2sPIEM=

Mutex
  • 111|td6G05UztNnhqTLPv2rZYA==

Attributes
  • antivirtual

    127|iOb2tfEwoOBb1Gy02NunWQ==

  • certificate

    126|nRXMwHI7uvu3l37+8ozUqA==

  • delay_unit

    133|yGmjIG0Yetjk3ks/h9E0Ow==

  • delay_value

    132|tNPjXj8dgbr3M/4h/KllFg==

  • disk_spread

    136|h3P5LE8QiWrUKRSkan1N1A==

  • enable_delay

    131|zwL3PYQyTeRj/AaFgioiAw==

  • exclusion_wd

    115|zfS5oxcNwtVFbByG8S1DfA==

  • hidden_file

    116|8a0rFgCjHmlcaOtCuLTW2w==

  • install

    112|PJf1Jb1fo8MWNqL3RCpYZg==

  • install_watchdog

    113|j83syYgU4JaXwMZeel55tg==

  • key

    129|oGxKeNgz9TMczOgtieMxKg==

  • pastebin_url

    130|mBnfnH5BjFv2Qu3xrmGmUA==

  • path_client

    124|ndZl29UqJEp6904DZt6jvEmJx/Rl9gMlcec0O6t9HyI=

  • path_watchdog

    125|g/8A6Vth2nZx1DUoMenxJQhTOqmEyMz8yNY7M62Bv9M=

  • pump

    121|wtPbLAPWz8rf3HilsBlAkw==

  • rootkit

    117|52frao/RQ3dyL1b+3PdFgw==

  • rootkit_type

    134|nZlL0ii7Ze7aDZU0j7N46A==

  • task_client

    122|3oQW9SILsbZjAwAl8BGJhQ==

  • task_watchdog

    123|WqmwZnRQ1dG6I8BiNdkT1w==

  • usb_spread

    135|WnYSNx53pl3RWD2N9XOYSQ==

  • use_install_admin

    114|Xn+tOMkDCLXs3ugyZ7wZbg==

  • user_init

    128|Dh4i+sf3BSa51z9/B+suQg==

  • winlogon_shell_enable

    120|kIqWpJ07w19MOMDs+3DUHg==

  • wmi_name

    119|nFaK8Y8EB2rslZTcGKsivw==

  • wmi_startup

    118|kxvvmhWCSdHvvJfaqN+PUQ==

Targets

    • Target
      zugauvc1jrg0d65l.exe
    • Size 450KB
    • SHA256 42c768756120b01d8c07e26aba5228204be7042a8f71bfa36ba7fb494766382e
    • 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