General

  • Target

    9252faef952e2f3d507925366fe9b820fdc98957fe9e7caa9600b09497e58ec7

  • Size

    751KB

  • Sample

    220508-hbtz3shed2

  • MD5

    2220163ba858d08a3e2f179412f609b7

  • SHA1

    7858d3086455780becfd08b4a8fe9db58d9a9786

  • SHA256

    9252faef952e2f3d507925366fe9b820fdc98957fe9e7caa9600b09497e58ec7

  • SHA512

    9121a8bcb5be503a1ab58727bb63ec76784066da9b2cae131c72187813d7d50e6de594798b53ec65580b81a59d0ab6496370424c5654b651c342c9bbae708c15

Malware Config

Targets

    • Target

      9252faef952e2f3d507925366fe9b820fdc98957fe9e7caa9600b09497e58ec7

    • Size

      751KB

    • MD5

      2220163ba858d08a3e2f179412f609b7

    • SHA1

      7858d3086455780becfd08b4a8fe9db58d9a9786

    • SHA256

      9252faef952e2f3d507925366fe9b820fdc98957fe9e7caa9600b09497e58ec7

    • SHA512

      9121a8bcb5be503a1ab58727bb63ec76784066da9b2cae131c72187813d7d50e6de594798b53ec65580b81a59d0ab6496370424c5654b651c342c9bbae708c15

    • 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