General

  • Target

    18685cc299f03f907413c789321ea1131326fec4a71de97194814685ba0dba38.exe

  • Size

    703KB

  • Sample

    240229-fv1wmaed71

  • MD5

    c56407abd66f8bb4eaa318e56f464f71

  • SHA1

    134d8ad6789d8c500005754da686ddc7d46e92d1

  • SHA256

    18685cc299f03f907413c789321ea1131326fec4a71de97194814685ba0dba38

  • SHA512

    6f52056d194dcaedba67bf2f29a7036e4172008085ee6cd1c0734077801c28c961501d1c535cd3bb7086c08cf7ffc29de9098770dbe93bd382554242a0ae07cc

  • SSDEEP

    12288:vW+L9bW9ezd6Ztw4C8zFVK52RoA5UCWEFElQ+Nij2DGoNHJqCf9OK96bkR:vbL9iyYnRC8zA26A5hxOlQ+cCJNHgKE+

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ronaldsmith.loan
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    BillionPay$

Targets

    • Target

      18685cc299f03f907413c789321ea1131326fec4a71de97194814685ba0dba38.exe

    • Size

      703KB

    • MD5

      c56407abd66f8bb4eaa318e56f464f71

    • SHA1

      134d8ad6789d8c500005754da686ddc7d46e92d1

    • SHA256

      18685cc299f03f907413c789321ea1131326fec4a71de97194814685ba0dba38

    • SHA512

      6f52056d194dcaedba67bf2f29a7036e4172008085ee6cd1c0734077801c28c961501d1c535cd3bb7086c08cf7ffc29de9098770dbe93bd382554242a0ae07cc

    • SSDEEP

      12288:vW+L9bW9ezd6Ztw4C8zFVK52RoA5UCWEFElQ+Nij2DGoNHJqCf9OK96bkR:vbL9iyYnRC8zA26A5hxOlQ+cCJNHgKE+

    • AgentTesla

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

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks