General

  • Target

    5b792520f19105ff168a9765807bdfbf

  • Size

    461KB

  • Sample

    240114-rstkbacdh2

  • MD5

    5b792520f19105ff168a9765807bdfbf

  • SHA1

    0f48bb4488e229bcbe48b136b9c5314f119f76dd

  • SHA256

    804bbe01939efa8390005721104163523d0c3e04c2eab8176e07f96674140245

  • SHA512

    c111d8f3903140736b1914fb04841ae82429e93adeaedc6ccc4a44285270c0834598c47c931510856934c0c1efb5e978348c995ed43520e90b441de552e36766

  • SSDEEP

    6144:Bhk8T/L9NvIV6Bs8V1QEZUNTwSNQrsgRAH1tVaEYE2tTenRXkauqyy6XU9tkGuWq:l/MgTZKttMEYKnRX5yyHRqQ+jh

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    Mail.jingtai.com.vn
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    truongtuyen2209

Targets

    • Target

      bank account.exe

    • Size

      780KB

    • MD5

      a5640ac4a8b294df8ced6dfd0ca544f3

    • SHA1

      94fc2bc720e88f5f1bcab268fd441c3f640d63c3

    • SHA256

      c57c8d4d2e724683791c90f26d4499886ab0498688740b5433e1c4a36680564e

    • SHA512

      c49a3f261ee1832bc41d887bf0b195ea707a4eb4fd15f46bd3ec55329169ae97d1953338e736532219b483b2954f76545544eb1e7fc632ea78c48b31bb012fbd

    • SSDEEP

      12288:eTfMnM2iNv4sDFremgK+gxYdUwW+2FMkBZhnmZF4:O6M1usBremd+gxYY+2FMkcZF4

    • AgentTesla

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

    • AgentTesla payload

    • 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 v15

Tasks