General

  • Target

    0ce95c68be87441a3911ba7a8d12437b74f91fe1c62bc80cdf30dffd292ffe60

  • Size

    766KB

  • Sample

    220521-nx3f8shddq

  • MD5

    1895eb73bf28506cc8af650b3defbc55

  • SHA1

    e1b7c04903726cea8866eb4d0b402b96c3221692

  • SHA256

    0ce95c68be87441a3911ba7a8d12437b74f91fe1c62bc80cdf30dffd292ffe60

  • SHA512

    9713e84bc37044da3b26908243ad3236788184c94b0e306dcba3667cbbd48d49d622b98bdc7e0ec024b59419e5d6fd18fa30e92b2281e7d8fb47d3cdd4c6a0e1

Malware Config

Extracted

Path

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

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.3.0 ################################################################# ### Logger Details ### User Name: Admin IP: 127.0.0.1 Location: United States OS: Microsoft Windows 7 Ultimate 64bit CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 1:55:02 PM MassLogger Started: 5/21/2022 1:54:34 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Swift reciept.exe As Administrator: True

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    m4cfund@yandex.com
  • Password:
    Dmacdavid

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\0F48153F20\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.3.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 Location: United States OS: Microsoft Windows 10 Pro64bit CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 11:54:36 AM MassLogger Started: 5/21/2022 11:54:32 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Swift reciept.exe As Administrator: True

Targets

    • Target

      Swift reciept.exe

    • Size

      901KB

    • MD5

      4fe2e4cc5e54c6c32f3f054d3e3104fb

    • SHA1

      a8b013414f0cf356019cacbc9250e686860d2ec1

    • SHA256

      873d9e2252783bc8e2e14a30b8f85f3034a8fbf6ade7aaa24a8173fb85dd092c

    • SHA512

      6bc1a865e8868fed7f489f233f6d3d7fdf7fbc220ea9fd3a73143428fc9bcc29e62a72792e9b6264b953e5fad0c6f824afd287897efdcd7e685c6faf21390c0b

    • 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 Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks