General

  • Target

    a195a1b02e190c4d00c7d2349429efb7d1c4abd907927e2e9ad231d2f80a135e

  • Size

    821KB

  • Sample

    240427-b6ltmage55

  • MD5

    186c87bc84233c8a932a5406541c97ac

  • SHA1

    d1e74b3ce6a2ca2c0323a1cfea1cfb6e97f5c1e4

  • SHA256

    a195a1b02e190c4d00c7d2349429efb7d1c4abd907927e2e9ad231d2f80a135e

  • SHA512

    38d400fbaf79d30f504a52f495399cfc1723e2422f88eb0d604c3925d16b709669d4671d1159e7afd7d865c592bba77e246c6ff0c06ce2b5adea592fe62c53f1

  • SSDEEP

    12288:FrqnHvjNIrpf9rN/mc/CCwCz4SLFvKPOeezDaoAQzsZXcvDcMCRzjxckRbyJgL9k:FePjKr5BNDC8xOohwNcLc111cIy

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.officeemailbackup.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    )o!yHrsuTG#e

Targets

    • Target

      a195a1b02e190c4d00c7d2349429efb7d1c4abd907927e2e9ad231d2f80a135e

    • Size

      821KB

    • MD5

      186c87bc84233c8a932a5406541c97ac

    • SHA1

      d1e74b3ce6a2ca2c0323a1cfea1cfb6e97f5c1e4

    • SHA256

      a195a1b02e190c4d00c7d2349429efb7d1c4abd907927e2e9ad231d2f80a135e

    • SHA512

      38d400fbaf79d30f504a52f495399cfc1723e2422f88eb0d604c3925d16b709669d4671d1159e7afd7d865c592bba77e246c6ff0c06ce2b5adea592fe62c53f1

    • SSDEEP

      12288:FrqnHvjNIrpf9rN/mc/CCwCz4SLFvKPOeezDaoAQzsZXcvDcMCRzjxckRbyJgL9k:FePjKr5BNDC8xOohwNcLc111cIy

    • AgentTesla

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

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks