General

  • Target

    162c036ca95919c3e108867142be132569f5b346fe98df4848d9ccf96bc08a76

  • Size

    377KB

  • Sample

    220521-pczehsaccn

  • MD5

    d4a17a8ebe3ee85bfeb7f9db6ced5639

  • SHA1

    bd159ba2bd664fd9cf01dd02bbcd0748a9b925fb

  • SHA256

    162c036ca95919c3e108867142be132569f5b346fe98df4848d9ccf96bc08a76

  • SHA512

    275fe1bb23dda76574e933e129055a53eb58f722b74e5b9a6ab1308ce4087fd658957334375cb2d1789d2852fd07ffc1be8e9b0ef89e01caeea7060a675186f1

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.segimar.es
  • Port:
    587
  • Username:
    segimar@segimar.es
  • Password:
    marSegi15

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.segimar.es
  • Port:
    587
  • Username:
    segimar@segimar.es
  • Password:
    marSegi15

Targets

    • Target

      FACTURA ABRIL.exe

    • Size

      411KB

    • MD5

      355ef144068e962287ace0c6b449ea0f

    • SHA1

      4672747248d1694f80791972f8d69be8674c5144

    • SHA256

      900bf6c4cdf55297d7b0a205bf3cc771763bd163cdea9351080fb01714f4fc7d

    • SHA512

      2b7b6c8575e1d37e0d09e8251c56cfda7a57094c60c1a6629f1d6dc197109168a049d27cfc481f839b515e6facc0fb75aeff5fa42466f26854706f9495424d46

    • AgentTesla

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

    • AgentTesla Payload

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks