General

  • Target

    bf6bff1f8edd591c92bcbcf86ff6f82c114273e34a8475a17289936c93879e1d.exe

  • Size

    699KB

  • Sample

    240522-cr862shb95

  • MD5

    aba11ed39d519dec06148a61662c1546

  • SHA1

    cae54e2d63d7b688a433ef3e31bd80f066d9803f

  • SHA256

    bf6bff1f8edd591c92bcbcf86ff6f82c114273e34a8475a17289936c93879e1d

  • SHA512

    bee8d81e7ed7ee285c0d879dbbfb1f4bce7b0fba8666e77e3d7d65d3a06e30bcf882847183ca42ee936675ff43b2ef2c75836c1e2e0de2907d78753fbe3f9a4e

  • SSDEEP

    12288:l0pei36R5ChoJgeeJw2KgygjhNRC7g27mIQUSJDhItsFIXGQ+j6lHSZXImBC:qpp36/ChoJ4Jwrlgj7R8gamIQCQIX/7o

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.rodersaglik.com.tr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Roder343*

Targets

    • Target

      bf6bff1f8edd591c92bcbcf86ff6f82c114273e34a8475a17289936c93879e1d.exe

    • Size

      699KB

    • MD5

      aba11ed39d519dec06148a61662c1546

    • SHA1

      cae54e2d63d7b688a433ef3e31bd80f066d9803f

    • SHA256

      bf6bff1f8edd591c92bcbcf86ff6f82c114273e34a8475a17289936c93879e1d

    • SHA512

      bee8d81e7ed7ee285c0d879dbbfb1f4bce7b0fba8666e77e3d7d65d3a06e30bcf882847183ca42ee936675ff43b2ef2c75836c1e2e0de2907d78753fbe3f9a4e

    • SSDEEP

      12288:l0pei36R5ChoJgeeJw2KgygjhNRC7g27mIQUSJDhItsFIXGQ+j6lHSZXImBC:qpp36/ChoJ4Jwrlgj7R8gamIQCQIX/7o

    • 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

    • 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 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.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks