General

  • Target

    531af324.exe

  • Size

    500KB

  • Sample

    211023-js9mjacbf8

  • MD5

    2d556ef398f471f9c4a9eaa0577ae09d

  • SHA1

    c0a2c971dc6ee872f00deb6410a575267ad5986e

  • SHA256

    531af3241354cb2bec2efc2281e3b094d962d8a1e887fa17c328766ba6096675

  • SHA512

    42e5a607770aa41e29906497c85108f7bee1f2f2e2438ba4444c51dcf3d222cec9fde1ab0b0e1927a796e54c8b34af4e5651ca9d40c2a11b363242fd21fb2bb2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.tccinfaes.com
  • Port:
    587
  • Username:
    margaridasantos@tccinfaes.com
  • Password:
    TccBps1427log

Targets

    • Target

      531af324.exe

    • Size

      500KB

    • MD5

      2d556ef398f471f9c4a9eaa0577ae09d

    • SHA1

      c0a2c971dc6ee872f00deb6410a575267ad5986e

    • SHA256

      531af3241354cb2bec2efc2281e3b094d962d8a1e887fa17c328766ba6096675

    • SHA512

      42e5a607770aa41e29906497c85108f7bee1f2f2e2438ba4444c51dcf3d222cec9fde1ab0b0e1927a796e54c8b34af4e5651ca9d40c2a11b363242fd21fb2bb2

    • AgentTesla

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

    • AgentTesla Payload

    • 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 Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks