General

  • Target
    7xzfZF3ytRSjYKH.exe
  • Size 764KB
  • Sample200813-v3dpns39hx
  • SHA256 f98b35d218026beac9f13d886758bb0712fda3dc74ae7fbc5b29ce5fb63109ab
  • MD5 SHA1 SHA512

Malware Config

Extracted

Path
  • C:\Users\Admin\AppData\Local\Temp\E2C1E8F1FA\Log.txt

  • masslogger

Ransom Note
  • ################################################################# MassLogger v2.0.0.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 Location: United States Windows OS: Microsoft Windows 7 Professional 64bit Windows Serial Key: HYF8J-CVRMY-CM74G-RPHKF-PW487 CPU: Persocon Processor 2.5+ GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 8/13/2020 5:55:14 AM MassLogger Started: 8/13/2020 5:55:11 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\7xzfZF3ytRSjYKH.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Targets

    • Target
      7xzfZF3ytRSjYKH.exe
    • Size 764KB
    • SHA256 f98b35d218026beac9f13d886758bb0712fda3dc74ae7fbc5b29ce5fb63109ab
    • MD5 SHA1 SHA512
    • MassLogger

      Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

    • MassLogger log file

      Detects a log file produced by MassLogger.

    • Deletes itself

    • Reads user/profile data of web browsers

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

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks