General

  • Target

    3710baf84c794fe82141d5baa97137ee.exe

  • Size

    6.4MB

  • Sample

    201217-4xcf8fj9gs

  • MD5

    3710baf84c794fe82141d5baa97137ee

  • SHA1

    5238b145897e6ba425e9bd8f889ed5f4bfbd5a7d

  • SHA256

    0d838e7b6343155a98bd1d15cab670ae29c0c20dd992c6f97f80d3791e1cbd14

  • SHA512

    77e39b14ef08844678b12722995a3ba3718e99a52b6bfe1fb011b29cf2c92a4a45746c858c7e8ecbbd7e3cc406ec15f07fc605f6c28997620e2e5b2b39c29ad1

Malware Config

Targets

    • Target

      3710baf84c794fe82141d5baa97137ee.exe

    • Size

      6.4MB

    • MD5

      3710baf84c794fe82141d5baa97137ee

    • SHA1

      5238b145897e6ba425e9bd8f889ed5f4bfbd5a7d

    • SHA256

      0d838e7b6343155a98bd1d15cab670ae29c0c20dd992c6f97f80d3791e1cbd14

    • SHA512

      77e39b14ef08844678b12722995a3ba3718e99a52b6bfe1fb011b29cf2c92a4a45746c858c7e8ecbbd7e3cc406ec15f07fc605f6c28997620e2e5b2b39c29ad1

    • 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.

    • 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

Tasks