General

  • Target

    B3gkHhPlWv3DOsB.exe

  • Size

    845KB

  • Sample

    200616-mwqqwx9a4a

  • MD5

    35a5963bfb1fa8b5e3851378959ac522

  • SHA1

    b1c035b8221c06e14311eda738df7e28a6559514

  • SHA256

    77b7fa89c446b127b0c1d8ad0c5dc5fb57c8121dd3c40a67b77e5c0a35d75114

  • SHA512

    851bd78e047d34a27f532e808bbe6e27cc9b7e09a39bd26ed69b121f9b377a85a381e50f73d8b1775987d7582300b963cf7be119e9cb7334d490d21dacdddd80

Malware Config

Extracted

Path

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

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.7.1 ################################################################# ### 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: 6/16/2020 8:52:55 PM MassLogger Started: 6/16/2020 8:52:49 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\B3gkHhPlWv3DOsB.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Targets

    • Target

      B3gkHhPlWv3DOsB.exe

    • Size

      845KB

    • MD5

      35a5963bfb1fa8b5e3851378959ac522

    • SHA1

      b1c035b8221c06e14311eda738df7e28a6559514

    • SHA256

      77b7fa89c446b127b0c1d8ad0c5dc5fb57c8121dd3c40a67b77e5c0a35d75114

    • SHA512

      851bd78e047d34a27f532e808bbe6e27cc9b7e09a39bd26ed69b121f9b377a85a381e50f73d8b1775987d7582300b963cf7be119e9cb7334d490d21dacdddd80

    • MassLogger

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

    • MassLogger log file

      Detects a log file produced by MassLogger.

    • 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