General

  • Target

    ungziped_file.exe

  • Size

    768KB

  • Sample

    230509-jqz1bagg6t

  • MD5

    db8d6c06173735452849240ec80d50e7

  • SHA1

    33117b56e8c2412cb600bf7caf4a2c271cf9bb8b

  • SHA256

    f5eec7db443f930140c0bb15e7f5867a036fb32a5adee722b2ed6013925bfd8b

  • SHA512

    03533505f85e7d01ba471b5822fc1cccb13870cdfd8264d4c70de635084a83f9c71fac7ef4fb112e07e91176f364769913c2c7cf89757b30824e50a444294dfb

  • SSDEEP

    12288:xh11KhjmoF+RHCpC9iZpXwjWmaWNjoBe7COYYgoHN68lNCXlkd+NuoYCH:vPKhjb4CpBpXwvKfOYkHhEFXYCH

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      ungziped_file.exe

    • Size

      768KB

    • MD5

      db8d6c06173735452849240ec80d50e7

    • SHA1

      33117b56e8c2412cb600bf7caf4a2c271cf9bb8b

    • SHA256

      f5eec7db443f930140c0bb15e7f5867a036fb32a5adee722b2ed6013925bfd8b

    • SHA512

      03533505f85e7d01ba471b5822fc1cccb13870cdfd8264d4c70de635084a83f9c71fac7ef4fb112e07e91176f364769913c2c7cf89757b30824e50a444294dfb

    • SSDEEP

      12288:xh11KhjmoF+RHCpC9iZpXwjWmaWNjoBe7COYYgoHN68lNCXlkd+NuoYCH:vPKhjb4CpBpXwvKfOYkHhEFXYCH

    • 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

    • 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