General

  • Target

    84b16561275c32c677e704e8fad8188bc020eb936e41fbab448a4ff333d83d84

  • Size

    617KB

  • Sample

    220521-c35b8saafq

  • MD5

    b921d78284be712b37e6c92609ec06e5

  • SHA1

    541366b21c619d3d8f00192b2f31e51f50179281

  • SHA256

    84b16561275c32c677e704e8fad8188bc020eb936e41fbab448a4ff333d83d84

  • SHA512

    e5e3a840fd879acc0516ccff76278d6eeb4f4a9bea8b1c119a4a8b17f963a1fbbf34f99eab79ec1116c1d580178a6c275ffb4580556405905d1abb8ae02e1055

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\3B8E3C2477\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v2.0.0.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States Windows OS: Microsoft Windows 7 Ultimate 64bit Windows Serial Key: D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 5:59:39 AM MassLogger Started: 5/21/2022 5:59:25 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\BANK SLIP.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Targets

    • Target

      BANK SLIP.exe

    • Size

      809KB

    • MD5

      20bbb3601fca04cd5c8b094a111805eb

    • SHA1

      be8af1891ecdb1d472499374f2c03e9d8f097a43

    • SHA256

      bc13ffa3b767641ff58d98c8df48167b55c45fb97335b4819c4af8a57af47ff1

    • SHA512

      568968ce44c141e9b4db9b20fff428f62fbedf21bf80d2853347d8a20330f934d23defcc679281221a5660c90849659ae409d1f57f4ef6341cf292e59d794469

    • MassLogger

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

    • MassLogger log file

      Detects a log file produced by MassLogger.

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • 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