General

  • Target

    2024-11-14_fa4846c0444989818272902a0e5d2044_formbook_hiddentear

  • Size

    680KB

  • Sample

    241114-rt2bjs1apb

  • MD5

    fa4846c0444989818272902a0e5d2044

  • SHA1

    89aae664e482a33ad57ff2d6afff08f9054bcea5

  • SHA256

    0cdd69862bf252d0ddbcbdf11612604b8cc055c7b09d5b948d84589569c492eb

  • SHA512

    6f4dad2ca2491dadc1315b13cc1b76c03a855ce50c073481ccfd52c1fd0af2c754826947e3f1e83cae44c8a777352cc97ddff67b98ac1b59e47b02d04e37f74c

  • SSDEEP

    12288:qMyCUQXJlDNTPcNLzW6jFhxnd0fA+Qy7nV3A277LRODSZcIVJvnbr4EiGnU/P+Vv:qMyeX/DNTUNLzbVCPQy7ni27pOOZcSjY

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.kesoremrayon.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    hHjRIMC^uNWw

Targets

    • Target

      2024-11-14_fa4846c0444989818272902a0e5d2044_formbook_hiddentear

    • Size

      680KB

    • MD5

      fa4846c0444989818272902a0e5d2044

    • SHA1

      89aae664e482a33ad57ff2d6afff08f9054bcea5

    • SHA256

      0cdd69862bf252d0ddbcbdf11612604b8cc055c7b09d5b948d84589569c492eb

    • SHA512

      6f4dad2ca2491dadc1315b13cc1b76c03a855ce50c073481ccfd52c1fd0af2c754826947e3f1e83cae44c8a777352cc97ddff67b98ac1b59e47b02d04e37f74c

    • SSDEEP

      12288:qMyCUQXJlDNTPcNLzW6jFhxnd0fA+Qy7nV3A277LRODSZcIVJvnbr4EiGnU/P+Vv:qMyeX/DNTUNLzbVCPQy7ni27pOOZcSjY

    • AgentTesla

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

    • Agenttesla family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks