General

  • Target

    b7809f88eb38c85a46ecd966f320c9c9f0b23181cc7b511299fdef733eb06390

  • Size

    1.1MB

  • Sample

    220516-xftbnsbhh9

  • MD5

    057b14650b1eaf5c8543b66b660433fc

  • SHA1

    c23e2b68f6ff2d7e74834430e6b5b6fb1e6cbce7

  • SHA256

    b7809f88eb38c85a46ecd966f320c9c9f0b23181cc7b511299fdef733eb06390

  • SHA512

    268afe5738aead08910ea8c9dff9bd20e1694d51c777fb37d7fc2f5d513dc47480d7fa866f324aa42272f281722464d0bbc0ac3ec0e8fb5206fbfd0ee6a3a600

Malware Config

Targets

    • Target

      b7809f88eb38c85a46ecd966f320c9c9f0b23181cc7b511299fdef733eb06390

    • Size

      1.1MB

    • MD5

      057b14650b1eaf5c8543b66b660433fc

    • SHA1

      c23e2b68f6ff2d7e74834430e6b5b6fb1e6cbce7

    • SHA256

      b7809f88eb38c85a46ecd966f320c9c9f0b23181cc7b511299fdef733eb06390

    • SHA512

      268afe5738aead08910ea8c9dff9bd20e1694d51c777fb37d7fc2f5d513dc47480d7fa866f324aa42272f281722464d0bbc0ac3ec0e8fb5206fbfd0ee6a3a600

    • 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

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