General

  • Target

    1b32b7aa99e4362a7c000396ac6423db45af45afc3b160a04773cc98ce984cca

  • Size

    556KB

  • Sample

    220521-b6q4cagbdr

  • MD5

    e79cd3f6e337407a0951a10dfac9bf0e

  • SHA1

    48e00c6f465d3da9e4b14c5f441271ac94f2ff66

  • SHA256

    1b32b7aa99e4362a7c000396ac6423db45af45afc3b160a04773cc98ce984cca

  • SHA512

    1fbbfb59c75fec1adaed59c7e3dee00de33c9e603bdb2a3ed4decc271bcfd74e8f20ea947eb0b85bd2ee8ad935c53188f9d85e9f6f43e62952fb3ce916136dbe

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\79FE0CC911\Log.txt

Family

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 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 2:38:07 AM MassLogger Started: 5/21/2022 2:37:55 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\millenniumbcp-banco.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.saritatravels.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sameerb%$321

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\F95B724EDE\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 10 Pro 64bit Windows Serial Key: W269N-WFGWX-YVC9B-4J6C9-T83GX CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 4:38:45 AM MassLogger Started: 5/21/2022 4:38:42 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\millenniumbcp-banco.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Targets

    • Target

      millenniumbcp-banco.exe

    • Size

      613KB

    • MD5

      12f308ff12631562dd0abf6cae79c168

    • SHA1

      ed68f2e8e35e6c908233f37c5d0637f96d0febc1

    • SHA256

      39ccd0e238c32ee8643fa25aa7b27f77ca8e20d831d666c301c0f9a4063656b5

    • SHA512

      2e9398042275156f8a7741d122cf30000809de543c4a6ec1ace9c2638dea9cd91dd8413d2a6e763dd8954f5af4de78022b8375510d71e3b4d9becc4f51a8a9f4

    • 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