General

  • Target

    b0f954307b2542c61a1d4142c9738ebdc5ae8f6057134f1fc0d3b9285dee5e9b

  • Size

    574KB

  • Sample

    250129-bxveeawrd1

  • MD5

    c04278ac10cc85c6def4c737dc708127

  • SHA1

    c93ca6bfddd0c5d3e732d3be9ec7e92e535a884f

  • SHA256

    b0f954307b2542c61a1d4142c9738ebdc5ae8f6057134f1fc0d3b9285dee5e9b

  • SHA512

    2e4755f8d19a2da2b004fcb05ff2e321083f6262eea9ef0dcf49272dbe91dacf2c0badb13e89e2ea1530796badbc50c359ac5a7741ea2f29dcc330478bad751a

  • SSDEEP

    12288:EP7hcSvQ5hvVw6wgg6RQnRYINnzFjw5wRzjT0gK4D7+x:ihcUQ3XwbTiKRnT09uK

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      PO55140066.exe

    • Size

      712KB

    • MD5

      fbd5a670134adb20c9c6d87d4da13c0e

    • SHA1

      c0d898bbf0f57355bede9818f838b80b6993fe33

    • SHA256

      9d15750f92c05086dc56235091ddc21dd90c1c45208d3b758973460bb30711f1

    • SHA512

      6e4f5a9c814be8accf415c95c59c9c9fb8f45b08e5b1e561ce647408805f9f75e3615c7c70cf345cca0334fc9c3157d01e87f24f374ea45a2919f52bdcce3960

    • SSDEEP

      12288:OyRY00j5y6nq1fawLOza8wUGv9mnz+WhpyN6zTdOw6dif822Q30:OyRdey6nq1faw6+ELzM6zTRv022Qk

    • 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