General

  • Target

    44c94a4425f043b2ac158adc61d8ba53f7f178c47a6f1a6b97e4eeb74562f24c

  • Size

    943KB

  • Sample

    220511-rf5rtahde4

  • MD5

    95ebc8129fcaa10a9ef2e6bb8f6816a9

  • SHA1

    6a692e791f911b9cd187f8f349403df6369cb36b

  • SHA256

    44c94a4425f043b2ac158adc61d8ba53f7f178c47a6f1a6b97e4eeb74562f24c

  • SHA512

    09dba95ff2c436a46c73b36f7167bcb436431b4fdd9a617f4cfbe1732d794a4619517b9b6369a1cc564bfee1fe531c88c8a81af708c137b62e353065310a8a96

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ayo2018

Targets

    • Target

      44c94a4425f043b2ac158adc61d8ba53f7f178c47a6f1a6b97e4eeb74562f24c

    • Size

      943KB

    • MD5

      95ebc8129fcaa10a9ef2e6bb8f6816a9

    • SHA1

      6a692e791f911b9cd187f8f349403df6369cb36b

    • SHA256

      44c94a4425f043b2ac158adc61d8ba53f7f178c47a6f1a6b97e4eeb74562f24c

    • SHA512

      09dba95ff2c436a46c73b36f7167bcb436431b4fdd9a617f4cfbe1732d794a4619517b9b6369a1cc564bfee1fe531c88c8a81af708c137b62e353065310a8a96

    • 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.

    • 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