General

  • Target
    525252_x64.exe
  • Size 761KB
  • Sample260415-pyhc5aev9r
  • SHA256 9a7c87d58a7ab1f2d99c5390d04c3875e41587b46f0632518e6108286ca45e2c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • stealc

Botnet
  • 525252

C2
  • http://95.85.238.4

Attributes
  • url_path

    /e99c8470d3ebe7696e4a.php

rc4.traffic_key
rc4.C2

Targets

    • Target
      525252_x64.exe
    • Size 761KB
    • SHA256 9a7c87d58a7ab1f2d99c5390d04c3875e41587b46f0632518e6108286ca45e2c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Command and Scripting Interpreter: PowerShell

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

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • 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