General

  • Target

    9269aa26ade2e9c4bff249a124c2f6c5a4ee0995045e01a15df8e60fcbbe3188

  • Size

    770KB

  • Sample

    230129-1bjhfseh6v

  • MD5

    56dcde922cfb9bc2a36cb22feadf8194

  • SHA1

    443b8324de94cb2ae9976e3fbaf3676738e25697

  • SHA256

    9269aa26ade2e9c4bff249a124c2f6c5a4ee0995045e01a15df8e60fcbbe3188

  • SHA512

    aca07f602fd0af30938839be8e603691d6b080533becb5682ab005838d97b480d95ca9b6bc5efec796e40efd524b847cdfaec07049842c2529482e40a002d684

  • SSDEEP

    12288:JlOQfTlI9kETyESfxiZX43sBY1sCnY5eb3VTuRaWj1daHKy+NqU2Rpy:JlO+I3mxiZXlKnYwDp9+yKDMU2Ty

Malware Config

Extracted

Credentials

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

Targets

    • Target

      9269aa26ade2e9c4bff249a124c2f6c5a4ee0995045e01a15df8e60fcbbe3188

    • Size

      770KB

    • MD5

      56dcde922cfb9bc2a36cb22feadf8194

    • SHA1

      443b8324de94cb2ae9976e3fbaf3676738e25697

    • SHA256

      9269aa26ade2e9c4bff249a124c2f6c5a4ee0995045e01a15df8e60fcbbe3188

    • SHA512

      aca07f602fd0af30938839be8e603691d6b080533becb5682ab005838d97b480d95ca9b6bc5efec796e40efd524b847cdfaec07049842c2529482e40a002d684

    • SSDEEP

      12288:JlOQfTlI9kETyESfxiZX43sBY1sCnY5eb3VTuRaWj1daHKy+NqU2Rpy:JlO+I3mxiZXlKnYwDp9+yKDMU2Ty

    • MassLogger

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

    • MassLogger Main payload

    • Checks computer location settings

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

    • Deletes itself

    • 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

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks