General

  • Target
    E004778244.COM
  • Size 887KB
  • Sample201105-kfz2ycedt2
  • SHA256 0b27fbcb91a355c14ee1367af92b962f1901e4d48a08e719f6e4dada1d599130
  • MD5 SHA1 SHA512

Malware Config

Targets

    • Target
      E004778244.COM
    • Size 887KB
    • SHA256 0b27fbcb91a355c14ee1367af92b962f1901e4d48a08e719f6e4dada1d599130
    • MD5 SHA1 SHA512
    • MassLogger

      Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

    • MassLogger Main Payload

    • Looks for VirtualBox Guest Additions in registry

    • Executes dropped EXE

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Loads dropped DLL

    • 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.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks