General

  • Target

    3a3606d38bd55a8a0c627f22f38ed873744e6fe62af75766dbe4707f68fe8971

  • Size

    1.1MB

  • Sample

    220327-z9mr4ahdfl

  • MD5

    d05e77f3861b02d2b85bee2fd3e1bd2f

  • SHA1

    4bcbf42787afee482a7e30f12f3394803fdefc86

  • SHA256

    3a3606d38bd55a8a0c627f22f38ed873744e6fe62af75766dbe4707f68fe8971

  • SHA512

    7a5e30ab5d4ebf9577c70a82f30a9d7f507d60c5f252b8d2c33747fa059f7f89810a6a8e4e6097cfe9b096657b7096063840bad7bf9293ddd706be58eecd948d

Malware Config

Targets

    • Target

      3a3606d38bd55a8a0c627f22f38ed873744e6fe62af75766dbe4707f68fe8971

    • Size

      1.1MB

    • MD5

      d05e77f3861b02d2b85bee2fd3e1bd2f

    • SHA1

      4bcbf42787afee482a7e30f12f3394803fdefc86

    • SHA256

      3a3606d38bd55a8a0c627f22f38ed873744e6fe62af75766dbe4707f68fe8971

    • SHA512

      7a5e30ab5d4ebf9577c70a82f30a9d7f507d60c5f252b8d2c33747fa059f7f89810a6a8e4e6097cfe9b096657b7096063840bad7bf9293ddd706be58eecd948d

    • 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

    • Drops startup file

    • 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