General

  • Target

    c020f2f7e813d394025c06e8d59d26b5873d6b966997685a9c0d4823a7ef86d7

  • Size

    5.8MB

  • Sample

    220320-crebnsehc5

  • MD5

    821541b01faf90f111d3590b4d500e6a

  • SHA1

    f5cfbdd6d6c21c3b21acb5f64815671ef4316216

  • SHA256

    c020f2f7e813d394025c06e8d59d26b5873d6b966997685a9c0d4823a7ef86d7

  • SHA512

    c631118ddf61748f7c928245bc704798820eeb7d5addcedd1667d4e701b28977078bf9f30f57dc02f875237a6b5ce10ef0e4039ea21a1068d2b474628e0e7e9f

Malware Config

Targets

    • Target

      c020f2f7e813d394025c06e8d59d26b5873d6b966997685a9c0d4823a7ef86d7

    • Size

      5.8MB

    • MD5

      821541b01faf90f111d3590b4d500e6a

    • SHA1

      f5cfbdd6d6c21c3b21acb5f64815671ef4316216

    • SHA256

      c020f2f7e813d394025c06e8d59d26b5873d6b966997685a9c0d4823a7ef86d7

    • SHA512

      c631118ddf61748f7c928245bc704798820eeb7d5addcedd1667d4e701b28977078bf9f30f57dc02f875237a6b5ce10ef0e4039ea21a1068d2b474628e0e7e9f

    • 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 Enterprise v6

Tasks