General

  • Target

    16b256209f831283dae3df4c0accba88f2c40181efda89a644e2948bb4d7c8dc

  • Size

    603KB

  • Sample

    231208-c56cbaab5x

  • MD5

    3552552714e612e9c9bef9c2684b9341

  • SHA1

    a547d614934e54d862e7d18b31a18cea0227669f

  • SHA256

    16b256209f831283dae3df4c0accba88f2c40181efda89a644e2948bb4d7c8dc

  • SHA512

    906bedfd82ae522e8a48a174ce3abfb7eb2cd5b97f77ffb8afe0f85a723e616a61b23568f0abb97b87800a4e90cda0b88a2914c5363daba973acd7c1b9df65b1

  • SSDEEP

    12288:tBqW3HA+GP0C5vkEFR7LOGJXWSNhScAueH5qzr:t7kJ58EFNWGhvkq

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      16b256209f831283dae3df4c0accba88f2c40181efda89a644e2948bb4d7c8dc

    • Size

      603KB

    • MD5

      3552552714e612e9c9bef9c2684b9341

    • SHA1

      a547d614934e54d862e7d18b31a18cea0227669f

    • SHA256

      16b256209f831283dae3df4c0accba88f2c40181efda89a644e2948bb4d7c8dc

    • SHA512

      906bedfd82ae522e8a48a174ce3abfb7eb2cd5b97f77ffb8afe0f85a723e616a61b23568f0abb97b87800a4e90cda0b88a2914c5363daba973acd7c1b9df65b1

    • SSDEEP

      12288:tBqW3HA+GP0C5vkEFR7LOGJXWSNhScAueH5qzr:t7kJ58EFNWGhvkq

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Checks computer location settings

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

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • 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 v15

Tasks