General

  • Target

    07260bae8062330a1a42e28f0791ef86676000dbc4499d657ba91a662829cce4

  • Size

    837KB

  • Sample

    220521-d4gg8sbgfp

  • MD5

    8e54371b1e0678df3c185c9197a2aaa6

  • SHA1

    ce439cc106c5deae5de3ebc4a89eb1f1c9c60ee9

  • SHA256

    07260bae8062330a1a42e28f0791ef86676000dbc4499d657ba91a662829cce4

  • SHA512

    83ef1330ffbf58a173bd35f88c40be534a1d0e94f092649144a9e366dafbda971ad137b339909923f8cd8e734b67f27f691fa36a074167f0d8a192829e87b995

Malware Config

Extracted

Path

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

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.6.0 ################################################################# ### 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 7:15:48 AM MassLogger Started: 5/21/2022 7:15:35 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\PO ORDER.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.porathacorp.com
  • Port:
    587
  • Username:
    devarajan@porathacorp.com
  • Password:
    susila@22

Targets

    • Target

      PO ORDER.exe

    • Size

      910KB

    • MD5

      a2c75cedd6deb53d4ca5508e87e15eed

    • SHA1

      d40bcc45c638bef0f43dd8e33971a4f90956b6f9

    • SHA256

      ed23e691927f32d5c2d18f5b763fcc71fa62c6150233b1dbcf967d13521ef8f6

    • SHA512

      6f6bca0c8bf45e48ea853a1285ffa927efdcbf8c8ad7158e3e161c7d291997abaca1fe5fc987822051786f19c066a13d2630e3ae4716baa8fd69e5690063efa3

    • MassLogger

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

    • MassLogger Main Payload

    • 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