General

  • Target

    SOA USD23115.00.exe

  • Size

    436KB

  • Sample

    220521-1h2ydadee7

  • MD5

    d969281912657350ec15265942ea35f5

  • SHA1

    c3f0abbfdf814682d99036e9659798f5f45da45b

  • SHA256

    1bf45bafea79b8570f69cb409981c0a332505787163f12bab55f47c6b9931995

  • SHA512

    e12f0805f630091868302a337b274492fac5ec0ebba1673f8046751fe32caec6447892edbd79b12725db23801b1090faff580f5b30bda0c420b48ab3b7426ca4

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      SOA USD23115.00.exe

    • Size

      436KB

    • MD5

      d969281912657350ec15265942ea35f5

    • SHA1

      c3f0abbfdf814682d99036e9659798f5f45da45b

    • SHA256

      1bf45bafea79b8570f69cb409981c0a332505787163f12bab55f47c6b9931995

    • SHA512

      e12f0805f630091868302a337b274492fac5ec0ebba1673f8046751fe32caec6447892edbd79b12725db23801b1090faff580f5b30bda0c420b48ab3b7426ca4

    • AgentTesla

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

    • Drops file in Drivers directory

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks